Enhanced Luminescence of BaSi₂O₂N₂∶Eu²⁺ By Co-doping Er³⁺ Enhanced Publication

{ "defaultlang": "zh", "titlegroup": { "articletitle": [ { "lang": "zh", "data": [ { "name": "text", "data": "Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "共掺增强BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "发光" } ] }, { "lang": "en", "data": [ { "name": "text", "data": "Enhanced Luminescence of BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": " By Co-doping Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] } ] } ] }, "contribgroup": { "author": [ { "name": [ { "lang": "zh", "surname": "刘", "givenname": "雪晴", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "LIU", "givenname": "Xue-qing", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" }, { "rid": "aff2", "text": "2" } ], "role": [ "first-author" ], "bio": [ { "lang": "zh", "text": [ "刘雪晴(1995-)，女，吉林长春人，硕士研究生，2017年于吉林师范大学获得学士学位，主要从事稀土发光材料方面的研究。 E-mail: 1402994146@qq.com" ], "graphic": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210732&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210736&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210741&type=" } ], "data": [ [ { "name": "text", "data": "刘雪晴" }, { "name": "text", "data": "(1995-)，女，吉林长春人，硕士研究生，2017年于吉林师范大学获得学士学位，主要从事稀土发光材料方面的研究。 E-mail: " }, { "name": "text", "data": "1402994146@qq.com" } ] ] } ], "email": "1402994146@qq.com", "deceased": false }, { "name": [ { "lang": "zh", "surname": "贺", "givenname": "帅", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "HE", "givenname": "Shuai", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" } ], "role": [], "deceased": false }, { "name": [ { "lang": "zh", "surname": "张", "givenname": "亮亮", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "ZHANG", "givenname": "Liang-liang", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" } ], "role": [], "deceased": false }, { "name": [ { "lang": "zh", "surname": "潘", "givenname": "国徽", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "PAN", "givenname": "Guo-hui", "namestyle": 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"corresp": [ { "rid": "cor1", "lang": "zh", "text": "E-mail: zhangjh@ciomp.ac.cn", "data": [ { "name": "text", "data": "E-mail: zhangjh@ciomp.ac.cn" } ] } ], "bio": [ { "lang": "zh", "text": [ "张家骅(1965-)，男，黑龙江呼兰人，博士，研究员，博士研究生导师，1997年于中国科学院长春物理研究所获得博士学位，主要从事发光材料与物理方面的研究。 E-mail: zhangjh@ciomp.ac.cn" ], "graphic": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210746&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210751&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210756&type=" } ], "data": [ [ { "name": "text", "data": "张家骅" }, { "name": "text", "data": "(1965-)，男，黑龙江呼兰人，博士，研究员，博士研究生导师，1997年于中国科学院长春物理研究所获得博士学位，主要从事发光材料与物理方面的研究。 E-mail: " }, { "name": "text", "data": "zhangjh@ciomp.ac.cn" } ] ] } ], "email": "zhangjh@ciomp.ac.cn", "deceased": false } ], "aff": [ { "id": "aff1", "intro": [ { "lang": "zh", "label": "1", "text": "中国科学院长春光学精密机械与物理研究所　发光学及应用国家重点实验室，吉林 　 长春 　 130033", "data": [ { "name": "text", "data": "中国科学院长春光学精密机械与物理研究所　发光学及应用国家重点实验室，吉林 　 长春 　 130033" } ] }, { "lang": "en", "label": "1", "text": "State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China", "data": [ { "name": "text", "data": "State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China" } ] } ] }, { "id": "aff2", "intro": [ { "lang": "zh", "label": "2", "text": "中国科学院大学，北京 　 100049", "data": [ { "name": "text", "data": "中国科学院大学，北京 　 100049" } ] }, { "lang": "en", "label": "2", "text": "University of Chinese Academy of Sciences, Beijing 100049, China", "data": [ { "name": "text", "data": "University of Chinese Academy of Sciences, Beijing 100049, China" } ] } ] } ] }, "abstracts": [ { "lang": "zh", "data": [ { "name": "p", "data": [ { "name": "text", "data": "针对Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "共掺增强BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "发光效果的内在差异和可能机理进行了研究。通过XRD测试展示了共掺下的晶体结构，分析确认了样品纯度以及生长差异；为进一步研究差异的来源，监控了不同价态掺杂离子的发射光谱，对随Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "含量变化的发射光谱规律性变化进行展示，进而分析得出Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "共掺增强发光的内部物理机理是控制择优取向和对价态进行定向竞争调节；从发光体应用场景的温度范围需求进行了温度特性测试，展示了温度变化下的发射光谱变化。这项研究为调控发光强度、提高量子效率的工作提供了新的思路。" } ] } ] }, { "lang": "en", "data": [ { "name": "p", "data": [ { "name": "text", "data": "This work has studied the effect of co-doping Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " enhanced BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": " luminescence, mainly focusing on the internal difference and possible mechanism. The Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " co-doped crystal structure was demonstrated through XRD test, and the purity of the sample and the difference in growth were confirmed by analysis. In order to find out the sources of differences, the emission spectra of doped ions with different valence states have been monitored, and the emission spectra of the changes with the content of Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " have been compared. The internal physical mechanism of co-doping Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " enhanced luminescence is seen from the change of the luminescence. The internal physical mechanism of the co-doping Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " enhanced luminescence is to control the crystal texture and adjust the valence state. For practical applications in the future, a temperature characteristic test was carried out to show the emission spectrum changes under temperature variation. This research provides new ideas for the work of regulating the luminous intensity and improving quantum efficiency." } ] } ] } ], "keyword": [ { "lang": "zh", "data": [ [ { "name": "text", "data": "稀土发光材料" } ], [ { "name": "text", "data": "BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "荧光粉" } ], [ { "name": "text", "data": "光致发光" } ], [ { "name": "text", "data": "热稳定性" } ] ] }, { "lang": "en", "data": [ [ { "name": "text", "data": "rare earth material" } ], [ { "name": "text", "data": "BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": " phosphor" } ], [ { "name": "text", "data": "photoluminescence" } ], [ { "name": "text", "data": "thermal stability" } ] ] } ], "highlights": [], "body": [ { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "1　引言" } ], "level": "1", "id": "s1" } }, { "name": "p", "data": [ { "name": "text", "data": "BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "是一种具备光致发光" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "1", "type": "bibr", "rid": "R1", "data": [ { "name": "text", "data": "1" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "3", "type": "bibr", "rid": "R3", "data": [ { "name": "text", "data": "3" } ] } } ], "rid": [ "R1", "R2", "R3" ], "text": "1-3", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "、余辉发光" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "4", "type": "bibr", "rid": "R4", "data": [ { "name": "text", "data": "4" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "、机械发光" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "5", "type": "bibr", "rid": "R5", "data": [ { "name": "text", "data": "5" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "7", "type": "bibr", "rid": "R7", "data": [ { "name": "text", "data": "7" } ] } } ], "rid": [ "R5", "R6", "R7" ], "text": "5-7", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "性能的发光材料。作为硅基氮氧化物荧光粉材料，具有斯托克斯位移小的特点，这使其作为蓝光可激发的荧光发光材料备受关注。硅基氮氧化物是以SiO" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "、Si" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "4" } ] }, { "name": "text", "data": "为基本单元与碱土金属碳酸盐、稀土氧化物形成的一类化合物，具有相互联结的Si" }, { "name": "italic", "data": [ { "name": "text", "data": "X" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "4" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "X" } ] }, { "name": "text", "data": "=O,N)四面体形成的共顶角二维结构。N" }, { "name": "sup", "data": [ { "name": "text", "data": "3-" } ] }, { "name": "text", "data": "的共价性比O" }, { "name": "sup", "data": [ { "name": "text", "data": "2-" } ] }, { "name": "text", "data": "强" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "8", "type": "bibr", "rid": "R8", "data": [ { "name": "text", "data": "8" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "，且电荷数更多，可造成电子云重排效应(Nephelauxetic effect),Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子的5d-4f发光受其调节。Si" }, { "name": "italic", "data": [ { "name": "text", "data": "X" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "4" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "X" } ] }, { "name": "text", "data": "=O,N)四面体的优势在于形成刚性稳定的晶体结构且斯托克斯位移较小，因此硅基氮氧化物荧光粉的光转换效率较高、光色稳定性较好、化学和热稳定性比较高。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "在合成上，BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的纯相较难获得，多数提高发光强度方面的工作，针对的就是如何获得纯相的问题。例如，" }, { "name": "italic", "data": [ { "name": "text", "data": "M" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "M" } ] }, { "name": "text", "data": "=Ba,Sr,Ca)体系中已有的工作包括:调整合成温度" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "2", "type": "bibr", "rid": "R2", "data": [ { "name": "text", "data": "2" } ] } }, { "name": "text", "data": "," }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "9", "type": "bibr", "rid": "R9", "data": [ { "name": "text", "data": "9" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "10", "type": "bibr", "rid": "R10", "data": [ { "name": "text", "data": "10" } ] } } ], "rid": [ "R9", "R10" ], "text": "9-10", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "、添加助熔剂" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "11", "type": "bibr", "rid": "R11", "data": [ { "name": "text", "data": "11" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "14", "type": "bibr", "rid": "R14", "data": [ { "name": "text", "data": "14" } ] } } ], "rid": [ "R11", "R12", "R13", "R14" ], "text": "11-14", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "、将一步合成改进为两步合成" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "15", "type": "bibr", "rid": "R15", "data": [ { "name": "text", "data": "15" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "16", "type": "bibr", "rid": "R16", "data": [ { "name": "text", "data": "16" } ] } } ], "rid": [ "R15", "R16" ], "text": "15-16", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "、调整原材料类型" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "17", "type": "bibr", "rid": "R17", "data": [ { "name": "text", "data": "17" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "18", "type": "bibr", "rid": "R18", "data": [ { "name": "text", "data": "18" } ] } } ], "rid": [ "R17", "R18" ], "text": "17-18", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "、掺杂其他离子" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "19", "type": "bibr", "rid": "R19", "data": [ { "name": "text", "data": "19" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "22", "type": "bibr", "rid": "R22", "data": [ { "name": "text", "data": "22" } ] } } ], "rid": [ "R19", "R20", "R21", "R22" ], "text": "19-22", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "等。对这些工作进行分析时，往往忽略了进入晶格内的铕离子的价态对发光强度的影响。Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "和Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "共存时，一方面Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的相对取代数量会较低，另一方面可能存在Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "向Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的电荷迁移态，使发光减弱。本工作着眼于通过调控铕离子的价态实现发光增强，采用常压两步合成法，由低浓度共掺Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "实现对Eu的控制，选取了最优掺杂浓度，并通过光谱等测试分析了光增强机理。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "2　实验" } ], "level": "1", "id": "s2" } }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "2.1　样品制备" } ], "level": "2", "id": "s2a" } }, { "name": "p", "data": [ { "name": "text", "data": "Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品采用常压合成，两步完成。实验以化学计量比称量 BaCO" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "(99.99%)、SiO" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "(99.99%)、Eu" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "(99.99%)，经行星球磨机中球磨 24 h，在管式炉中通入5%的氢氮混合气，在1 200 ℃保温 6 h 制备第一步前驱体Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "1.96" } ] }, { "name": "text", "data": "SiO" }, { "name": "sub", "data": [ { "name": "text", "data": "4" } ] }, { "name": "text", "data": "∶4%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "；合成的前驱体再与一定比例的 Si" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "4" } ] }, { "name": "text", "data": "(99.99%)用玛瑙研钵研磨20 min装入钼坩埚，置于管式炉中，通入5%的氢氮混合气，管式炉升温速率为3 ℃/min，在1 400 ℃下保温4 h，降温后用玛瑙研钵将样品研磨后得到粉末样品。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "2.2　样品表征" } ], "level": "2", "id": "s2b" } }, { "name": "p", "data": [ { "name": "text", "data": "样品的结构表征采用粉末XRD谱，在辐射源为Cu靶、辐射线为Kα1(" }, { "name": "italic", "data": [ { "name": "text", "data": "λ" } ] }, { "name": "text", "data": "= 0.154 06 nm)的德国Bruker D8 Focus X射线衍射仪上测试获得。实验中用到的光谱仪为FLS900光谱仪(爱丁堡仪器公司，U.K.)，狭缝为0.5 nm×0.2 nm。样品的荧光寿命由荧光衰减曲线得到，通过光源为NF900纳秒氢灯管(爱丁堡仪器)的FLS920光谱仪测试。温度特性测量使用Olympus BX53MTRF-S光学显微镜同时配备了THMS600E冷热平台(77~873 K,Linkam科学仪器，英国)。" } ] } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "3　结果与讨论" } ], "level": "1", "id": "s3" } }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "3.1　材料的晶体结构" } ], "level": "2", "id": "s3a" } }, { "name": "p", "data": [ { "name": "text", "data": "如" }, { "name": "xref", "data": { "text": "图1(a)", "type": "fig", "rid": "F1", "data": [ { "name": "text", "data": "图1(a)" } ] } }, { "name": "text", "data": "所示。BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "属于正交晶系，一般认为BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "的空间群为" }, { "name": "italic", "data": [ { "name": "text", "data": "Pbcn" } ] }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "23", "type": "bibr", "rid": "R23", "data": [ { "name": "text", "data": "23" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "26", "type": "bibr", "rid": "R26", "data": [ { "name": "text", "data": "26" } ] } } ], "rid": [ "R23", "R24", "R25", "R26" ], "text": "23-26", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": ", Si" }, { "name": "italic", "data": [ { "name": "text", "data": "X" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "4" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "X" } ] }, { "name": "text", "data": "=O,N)四面体在本材料中为SiON" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": ",N为共顶角，O的另一端接Ba。Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "作为发光中心，按照离子半径大小匹配原则占据Ba在晶体中的位置。" } ] }, { "name": "fig", "data": { "id": "F1", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图1" } ], "title": [ { "name": "text", "data": "BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "的结构分析图。(a)Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "0.98" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的XRD曲线及晶体结构示意图；(b)Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "-Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)的XRD曲线。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig.1" } ], "title": [ { "name": "text", "data": "Structural analysis of BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": ". (a)XRD patterns of Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "0.98" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": " and the schematic diagram of BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " crystal structure. (b)XRD patterns of Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0, 0.1, 0.3, 0.5, 0.7, 0.9)." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210761&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210771&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210766&type=" } ] } }, { "name": "p", "data": [ { "name": "xref", "data": { "text": "图1(b)", "type": "fig", "rid": "F1", "data": [ { "name": "text", "data": "图1(b)" } ] } }, { "name": "text", "data": "是常温下的XRD测试结果，与标准卡片" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "23", "type": "bibr", "rid": "R23", "data": [ { "name": "text", "data": "23" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "相比，各个峰的位置一致，因此合成的物质几乎是纯相。经比对，不同样品间只有峰强的差异，没有出现峰的移动， BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "的晶体结构几乎不变。共掺的Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "按照离子半径大小匹配原则占据的也是Ba的位置，由于Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "和Ba" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "电荷不匹配，由Ba空位进行了补偿。Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的掺杂具有促进结晶程度作用，2" }, { "name": "italic", "data": [ { "name": "text", "data": "θ" } ] }, { "name": "text", "data": "为12.292°、24.728°和27.786°的峰强有明显的变化，这可能是因为晶体在生长过程中存在择优取向。2" }, { "name": "italic", "data": [ { "name": "text", "data": "θ" } ] }, { "name": "text", "data": "为12.292°和24.728°的两个峰约为31.125°峰值的一半，是一种比较好的结晶状态。其中，单掺样品中，在2" }, { "name": "italic", "data": [ { "name": "text", "data": "θ" } ] }, { "name": "text", "data": "为27.786°的峰对应标准卡片为(211)晶面，其在标准卡片中很弱，不明显。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "3.2　发光光谱分析" } ], "level": "2", "id": "s3b" } }, { "name": "p", "data": [ { "name": "xref", "data": { "text": "图2", "type": "fig", "rid": "F2", "data": [ { "name": "text", "data": "图2" } ] } }, { "name": "text", "data": "为激发光谱和发射光谱，Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "在晶格中所处位置产生晶体场劈裂，激发带位于260~485 nm。发光来自Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的5d到4f能级跃迁，Stokes位移很小，本材料中Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的Stokes 位移为1 938 cm" }, { "name": "sup", "data": [ { "name": "text", "data": "-1" } ] }, { "name": "text", "data": "，而Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "一般的Stokes 位移为3 000 cm" }, { "name": "sup", "data": [ { "name": "text", "data": "-1" } ] }, { "name": "text", "data": "左右。在405 nm激发下，发射峰位于493 nm、半高宽为32 nm。在532 nm激发下，可观察到位于612 nm处属于Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的 " }, { "name": "sup", "data": [ { "name": "text", "data": "5" } ] }, { "name": "text", "data": "D" }, { "name": "sub", "data": [ { "name": "text", "data": "0" } ] }, { "name": "text", "data": "-" }, { "name": "sup", "data": [ { "name": "text", "data": "7" } ] }, { "name": "text", "data": "F" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "跃迁的特征发光" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "27", "type": "bibr", "rid": "R27", "data": [ { "name": "text", "data": "27" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "28", "type": "bibr", "rid": "R28", "data": [ { "name": "text", "data": "28" } ] } } ], "rid": [ "R27", "R28" ], "text": "27-28", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。为了进一步了解内部发光过程，选用了低掺杂的2% Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子，从而放大了Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子对发光增强的作用。在共掺Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的样品中，可以测得1 540 nm处Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子的发光" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "29", "type": "bibr", "rid": "R29", "data": [ { "name": "text", "data": "29" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "30", "type": "bibr", "rid": "R30", "data": [ { "name": "text", "data": "30" } ] } } ], "rid": [ "R29", "R30" ], "text": "29-30", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。因此，通过关注Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子的发光变化可以进一步分析发光增强的原因。" } ] }, { "name": "fig", "data": { "id": "F2", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图2" } ], "title": [ { "name": "text", "data": "BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": ",Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "荧光粉的激发与发射光谱" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig.2" } ], "title": [ { "name": "text", "data": "PL and PLE spectra of the BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": ",Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " phosphor" } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210776&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210783&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210780&type=" } ] } }, { "name": "p", "data": [ { "name": "xref", "data": { "text": "图3", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3" } ] } }, { "name": "text", "data": "为B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210789&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210799&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210795&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品中Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子、Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子、Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子的发光强度。随着Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子掺杂量的增多，405 nm激发下的Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子在493 nm处的发光峰随之增强，在浓度为0.5%时增强至最高值，较单掺2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的样品提高60%(如" }, { "name": "xref", "data": { "text": "图3(b)", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3(b)" } ] } }, { "name": "text", "data": "所示)。532 nm激发下，Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " 离子612 nm处的发射光谱逐渐减弱，在浓度为0.5%时下降至最低值。如果忽略光谱底部的宽带，比较Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " 离子特征线谱强度，则最多降低至单掺2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "样品强度的4%(如" }, { "name": "xref", "data": { "text": "图3(c)", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3(c)" } ] } }, { "name": "text", "data": "所示)，这极大地提升了合成过程中Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " 离子向E" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210804&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210820&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210816&type=" } } } ] }, { "name": "text", "data": "离子的转化。结合" }, { "name": "xref", "data": { "text": "图3(b)、(c)", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3(b)、(c)" } ] } }, { "name": "text", "data": "对比，证实了本材料中铕的二价三价之间存在Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " 离子发光较强而E" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210825&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210835&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210832&type=" } } } ] }, { "name": "text", "data": "离子发光较弱的情况。1 450 nm激发下，Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " 离子1 540 nm的发射光谱逐渐增强，在浓度为0.5%时达到最大(如" }, { "name": "xref", "data": { "text": "图3(d)", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3(d)" } ] } }, { "name": "text", "data": "所示)。" } ] }, { "name": "fig", "data": { "id": "F3", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图3" } ], "title": [ { "name": "text", "data": "B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210840&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210850&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210845&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品发射光谱。(a)发射光谱强度对比；(b)激发波长为405 nm;(c)激发波长为532 nm;(d)激发波长为1 450 nm。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig.3" } ], "title": [ { "name": "text", "data": "PL spectra of the B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210856&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210866&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210860&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0, 0.1, 0.3, 0.5, 0.7, 0.9) phosphors. (a)Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": ",Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": ",Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " emission intensity of B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210870&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210882&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210877&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0, 0.1, 0.3, 0.5, 0.7, 0.9). (b)PL spectra by 405 nm. (c)PL spectra by 532 nm. (d)PL spectra by 1 450 nm." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210885&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210893&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210889&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "对" }, { "name": "xref", "data": { "text": "图3(b)~(d)", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3(b)~(d)" } ] } }, { "name": "text", "data": "中Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子、Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子、Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子的发光强度统计如" }, { "name": "xref", "data": { "text": "图3(a)", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3(a)" } ] } }, { "name": "text", "data": "所示。对应地，Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子发光增强时，Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光减弱，同时伴随着Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光增强；Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子发光减弱时，Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光增强，同时伴随着Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光减弱。因此，我们认为这可以反映Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子对内部的发光增强的作用机理，可以得出Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的进入提高了进入晶体中的Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子数量的比例、减少了Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子数量的比例的结果。Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子数量的增多可使吸收增强，从而实现发光增强。其中，随着Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子掺杂浓度的提高，1 540 nm处有Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光减弱的现象，这可能是Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子进入晶格的过程中形成了局部团簇，或者Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子进入晶格相当于引入了新的陷阱，由Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子数量增多带来的Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光增强比陷阱导致的Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子发光减弱的作用弱。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "3.3　温度特性分析" } ], "level": "2", "id": "s3c" } }, { "name": "p", "data": [ { "name": "text", "data": "我们分别测试了Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品的变温光谱。" }, { "name": "xref", "data": { "text": "图4(a)", "type": "fig", "rid": "F4", "data": [ { "name": "text", "data": "图4(a)" } ] } }, { "name": "text", "data": "展示了在415 nm激发下随着温度从低到高的发射光谱变化过程，发射光谱出现了蓝移和展宽。为了进一步展示这个现象，我们对该发射光谱进行了归一化处理，如" }, { "name": "xref", "data": { "text": "图4(b)", "type": "fig", "rid": "F4", "data": [ { "name": "text", "data": "图4(b)" } ] } }, { "name": "text", "data": "所示。" } ] }, { "name": "fig", "data": { "id": "F4", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图4" } ], "title": [ { "name": "text", "data": "Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品的温度特性。(a)" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0.005样品在83~873 K的发射光谱，激发波长为415 nm;(b)归一化的" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0.005样品在83~873 K的发射光谱；(c)温度特性曲线；(d)样品峰值和FWHM规律。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig.4" } ], "title": [ { "name": "text", "data": "Temperature-dependent luminescent spectra of Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0, 0.1, 0.3, 0.5, 0.7, 0.9) phosphor. Temperature-dependent luminescent(a) and normalized temperature-dependent luminescent(b) spectra of Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": ",0.5%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " phosphor. (c)Temperature dependence of the total emission in tensity. (d)Temperature dependence of peak and FWHM." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210898&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210905&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210903&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "其他Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "激活的荧光粉中，相似的蓝移现象也被人们注意到。关于这一Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "发射峰伴随温度升高而蓝移的现象，目前，有如下几种分析。第一种是在材料中存在两个发光中心，在温度较高时，长波发光中心的电子由于受到热声子的辅助作用而出现回到短波发光中心的反向传递现象" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "blockXref", "data": { "data": [ { "name": "xref", "data": { "text": "31", "type": "bibr", "rid": "R31", "data": [ { "name": "text", "data": "31" } ] } }, { "name": "text", "data": "-" }, { "name": "xref", "data": { "text": "32", "type": "bibr", "rid": "R32", "data": [ { "name": "text", "data": "32" } ] } } ], "rid": [ "R31", "R32" ], "text": "31-32", "type": "bibr" } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "；第二种认为温度猝灭速度不一致，长波侧猝灭速度快可能会导致发射光谱蓝移；第三种认为可能出现的原因是温度升高，晶格受热膨胀，晶体场劈裂变小，导致发光蓝移" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "33", "type": "bibr", "rid": "R33", "data": [ { "name": "text", "data": "33" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。因此，要确定具体Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "发射峰伴随温度升高而蓝移的原因，关键一点就是确定是否存在两个发光中心。" } ] }, { "name": "p", "data": [ { "name": "xref", "data": { "text": "图4(c)", "type": "fig", "rid": "F4", "data": [ { "name": "text", "data": "图4(c)" } ] } }, { "name": "text", "data": "展示了B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210909&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210917&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210915&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品的温度特性曲线。可以看出从500 K以后，发光强度开始有明显下降，而83 K至室温发光强度几乎没有下降，室温至400 K下降约10%，至500 K下降约为20%。" }, { "name": "xref", "data": { "text": "图4(d)", "type": "fig", "rid": "F4", "data": [ { "name": "text", "data": "图4(d)" } ] } }, { "name": "text", "data": "展示了B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210921&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210931&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210925&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)样品的峰值蓝移趋势和半峰宽展宽趋势。由" }, { "name": "xref", "data": { "text": "图4(c)、(d)", "type": "fig", "rid": "F4", "data": [ { "name": "text", "data": "图4(c)、(d)" } ] } }, { "name": "text", "data": "可以看出各个样品之间的规律是一致的，也就是说，各个样品在受热随温度变化产生的晶格振动的损失是不变的，Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子的掺杂没有改变Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子的5d能级劈裂以及向4f能级回落过程随温度的变化。从晶体结构来说，BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的层状结构使Ba在晶格中所处的所有位置都是等价的，因此认为Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的取代也只有一种格位。这与此前报道的一个发射中心是一致的。因此，可以排除多个发光中心的相互作用导致的发光蓝移。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "随着温度升高，发射光谱的半高宽(FWHM)从25 nm(83 K)增加至50 nm(873 K)。在较高温度下，声子的密度增加，电子-声子相互作用占主导，因此发射光谱的半峰宽变宽。激发态电子受到声子辅助获得能量，当能量足以到达位形坐标中基态和激发态交叉点时，会通过将能量转换为热的无辐射弛豫过程而猝灭，是本材料的主要猝灭原因。而热激活使 Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "离子的 5d 电子被激活到导带导致的温度猝灭不是本材料的主要猝灭原因。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "3.4　荧光衰减曲线分析" } ], "level": "2", "id": "s3d" } }, { "name": "p", "data": [ { "name": "text", "data": "对材料的Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "、Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的荧光寿命进行了测试，如" }, { "name": "xref", "data": { "text": "图5", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5" } ] } }, { "name": "text", "data": "所示。" }, { "name": "xref", "data": { "text": "图5(a)", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5(a)" } ] } }, { "name": "text", "data": "是由405 nm激发监控493 nm得到Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)的Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的激发态衰减曲线。在ln坐标下，各寿命衰减曲线趋于平行，可以认为掺杂没有改变Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的寿命。为了进一步验证该结果，我们对这组寿命分别进行了计算，结果如" }, { "name": "xref", "data": { "text": "表1", "type": "table", "rid": "T1", "data": [ { "name": "text", "data": "表1" } ] } }, { "name": "text", "data": "所示 。" } ] }, { "name": "table", "data": { "id": "T1", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "表1" } ], "title": [ { "name": "text", "data": "BSON∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的荧光寿命" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Tab.1" } ], "title": [ { "name": "text", "data": "Liftime of BSON∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] } ] } ], "note": [], "table": [ { "head": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "BSON∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "寿命/μs" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " 寿命/ms" } ] } ] ], "body": [ [ { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "text", "data": "0.477" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "text", "data": "0.585" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0.1" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "text", "data": "0.477" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "text", "data": "0.617" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0.3" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "data": [ { "name": "text", "data": "0.477" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "data": [ 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} ] }, { "colspan": "1", "rowspan": "1", "align": "left", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "0.524" } ] }, { "colspan": "1", "rowspan": "1", "align": "left", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "0.585" } ] } ] ], "foot": [] } ], "graphics": { "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210938&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210934&type=" } } }, { "name": "fig", "data": { "id": "F5", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图5" } ], "title": [ { "name": "text", "data": "Ba" }, { "name": "sub", "data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": 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"data": [ { "name": "text", "data": "(0.98-" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%)" } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0, 0.1, 0.3, 0.5, 0.7, 0.9). (a)" }, { "name": "italic", "data": [ { "name": "text", "data": "λ" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "ex" } ] }, { "name": "text", "data": "=405 nm, " }, { "name": "italic", "data": [ { "name": "text", "data": "λ" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "em" } ] }, { "name": "text", "data": "=493 nm. (b)" }, { "name": "italic", "data": [ { "name": "text", "data": "λ" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "ex" } ] }, { "name": "text", "data": "=532 nm, " }, { "name": "italic", "data": [ { "name": "text", "data": "λ" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "em" } ] }, { "name": "text", "data": "=612 nm." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210942&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210949&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210945&type=" } ] } }, { "name": "p", "data": [ { "name": "xref", "data": { "text": "图5(b)", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5(b)" } ] } }, { "name": "text", "data": "为532 nm激发监控612 nm得到的B" }, { "name": "inlineformula", "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210953&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210961&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=21210957&type=" } } } ] }, { "name": "text", "data": "Si" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶2%Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "," }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "(" }, { "name": "italic", "data": [ { "name": "text", "data": "x" } ] }, { "name": "text", "data": "=0,0.1,0.3,0.5,0.7,0.9)的Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的激发态衰减曲线。对比不同样品，在ln坐标下，各寿命衰减曲线趋于平行，认为掺杂没有对Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的寿命产生改变。通过进一步计算，结果如" }, { "name": "xref", "data": { "text": "表1", "type": "table", "rid": "T1", "data": [ { "name": "text", "data": "表1" } ] } }, { "name": "text", "data": "所示。Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的4f" }, { "name": "sup", "data": [ { "name": "text", "data": "6" } ] }, { "name": "text", "data": "5d" }, { "name": "sup", "data": [ { "name": "text", "data": "1" } ] }, { "name": "text", "data": "-4f" }, { "name": "sup", "data": [ { "name": "text", "data": "7" } ] }, { "name": "text", "data": "的辐射寿命约为0.5 μs,Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的引入没有对Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "的辐射寿命造成明显改变。Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的" }, { "name": "sup", "data": [ { "name": "text", "data": "　5" } ] }, { "name": "text", "data": "D" }, { "name": "sub", "data": [ { "name": "text", "data": "0" } ] }, { "name": "text", "data": "-" }, { "name": "sup", "data": [ { "name": "text", "data": "7" } ] }, { "name": "text", "data": "F" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "的辐射寿命约为0.6 ms。由于寿命没有明显改变，因此荧光增强可归因于Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的掺入导致Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "数量增多，从而使吸收增强，这个结论可以由随Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "掺入的Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "发射光谱强度提高和Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的发射光谱强度下降证明。" } ] } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "title": [ { "name": "text", "data": "4　结论" } ], "level": "1", "id": "s4" } }, { "name": "p", "data": [ { "name": "text", "data": "在BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "中共掺Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "能够显著增强发光，Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子的共掺杂控制了BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "荧光粉生长中的择优取向，促进了Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "而不是Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "进入晶体中，因此Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "数量增多实现了发光增强，且基质材料Stokes位移小，少量掺杂不改变晶格结构和发射峰位置，共掺0.5%Er" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "能够增强BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "发光强度60%。这种通过共掺提高发光强度的方法操作简单，为获得高亮度BaSi" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "N" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "∶Eu" }, { "name": "sup", "data": [ { "name": "text", "data": "2+" } ] }, { "name": "text", "data": "青色荧光粉提供了重要途径。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "本文专家审稿意见及作者回复内容的下载地址:http://cjl.lightpublishing.cn/thesisDetails#10.37188/CJL.20210145." } ] } ] } ], "footnote": [], "reflist": { "title": [ { "name": "text", "data": "参考文献:" } ], "data": [ { "id": "R1", "label": "[1]", "citation": [ { "lang": "en", "text": [ { "name": "text", "data": "GU Y X" }, { "name": "text", "data": ", " }, { "name": "text", "data": "ZHANG Q 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