新型植物补光用远红光(La,Gd,Y)2MgTiO6∶Cr3+荧光粉的光谱调控

高培鑫; 董鹏; 周泽云; 张晓娟; 李亚男; 杨建奎; 黎倩; 陈可; MOLOKEEV Maxim S; 周智; 夏茂

doi:10.37188/CJL.20210327

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新型植物补光用远红光(La,Gd,Y)₂MgTiO₆∶Cr³⁺荧光粉的光谱调控

材料合成及性能 | 更新时间：2022-01-14

- 新型植物补光用远红光(La,Gd,Y)₂MgTiO₆∶Cr³⁺荧光粉的光谱调控
  增强出版
- Novel Far-red Phosphors (La,Gd,Y)₂MgTiO₆∶Cr³⁺ with Tunable Luminescence Spectra for Grow Light
- 发光学报 2022年43卷第1期页码：58-68
- 作者机构：
  
  1.湖南省作物种质创新与资源利用重点实验室，湖南　长沙　410128
  2.湖南农业大学　化学与材料科学学院，湖南　长沙　410128
  3.湖南农业大学　湖南省光学农业工程技术研究中心，湖南　长沙　410128
  4.俄罗斯联邦研究中心　克伦斯基物理研究所晶体物理实验室，克拉斯诺亚尔斯克　660036
  5.西伯利亚联邦大学，克拉斯诺亚尔斯克　660041
- 作者简介：
  
  [ "高培鑫(1997-)，男，四川成都人，硕士研究生，2020年于湖南农业大学获得学士学位，主要从事发光材料的研究。E-mail: 392933267@qq.com" ]
  [ "周智(1982-)，男，湖南益阳人，博士，教授，2013年于中南大学获得博士学位，主要从事LED发光材料的制备及其在农业领域应用的研究。E-mail: zhouzhi@hunau.edu.cn" ]
  [ "夏茂(1986-)，男，河南信阳人，博士，特聘教授，2019年于中南大学获得博士学位，主要从事农用发光材料的制备及应用的研究。E-mail: xiamao2019@hunau.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(51974123);湖南省杰出青年基金(2020JJ2018);湖南省重点研发项目(2020WK2016;2020SK2032;2022NK2044);湖南省高层次人才聚集工程(2019RS1077;2020RC5007);湖南省自然科学基金(2021JJ40261);湖南省教育厅科研基金(19C0903);湖南农业大学自然科学基金(19QN11);湖南省作物种质创新与资源利用重点实验室科学基金(19KFXM12);长沙市科技计划(KH2005114)
- DOI：10.37188/CJL.20210327
  中图分类号： O482.31
- 纸质出版日期：2022-01，
  
  收稿日期：2021-10-15，
  
  修回日期：2021-10-30，
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高培鑫, 董鹏, 周泽云, 等. 新型植物补光用远红光(La,Gd,Y)₂MgTiO₆∶Cr³⁺荧光粉的光谱调控[J]. 发光学报, 2022,43(1):58-68.

Pei-xin GAO, Peng DONG, Ze-yun ZHOU, et al. Novel Far-red Phosphors (La,Gd,Y)₂MgTiO₆∶Cr³⁺ with Tunable Luminescence Spectra for Grow Light[J]. Chinese Journal of Luminescence, 2022,43(1):58-68.
高培鑫, 董鹏, 周泽云, 等. 新型植物补光用远红光(La,Gd,Y)₂MgTiO₆∶Cr³⁺荧光粉的光谱调控[J]. 发光学报, 2022,43(1):58-68. DOI： 10.37188/CJL.20210327.

Pei-xin GAO, Peng DONG, Ze-yun ZHOU, et al. Novel Far-red Phosphors (La,Gd,Y)₂MgTiO₆∶Cr³⁺ with Tunable Luminescence Spectra for Grow Light[J]. Chinese Journal of Luminescence, 2022,43(1):58-68. DOI： 10.37188/CJL.20210327.

摘要

激活荧光粉因其具有远红光和近红外光发射的特性而受到广泛关注。本研究合成了一系列(La

MgTiO

∶Cr

荧光粉，在345 nm紫外光激发下，其发射波段为700~900 nm。采用离子取代策略对其光谱进行了调谐，通过Gd或Y取代La位点，发射主峰从766 nm分别蓝移至737 nm和757 nm;150 ℃下的热稳定性从41.7%分别提升至69.1%和67%。系统研究了荧光粉的晶体结构、微观形貌、荧光寿命、热稳定性能和带隙变化等。Gd和Y离子取代会导致晶格收缩，引起电子云重排效应变化，最终导致发射光谱蓝移。改性后荧光粉的发射光谱与光敏色素FR(

)的吸收(730 nm)具有更好的匹配性，表明其在植物生长照明中的应用前景，这也证明通过阳离子取代策略调控Cr

的发光性能可为未来植物生长灯用荧光粉的研发提供思路。

Abstract

-activated double perovskite structure phosphor has drawn wide attention due to its far-red and near-infrared emission. In this work

we synthesized a series of (La

MgTiO

∶Cr

phosphors which can be excited by ultraviolet light of about 345 nm

and the emission bands are in the range of 700-900 nm. The spectra were tuned by ions substitution strategy. The main emission peaks were blue shifted from 766 nm to 737 nm and 757 nm by substituting the La site with Gd and Y

respectively. Meanwhile

the thermal stability at 150 ℃ increased from 41.7% to 69.1% and 67%

respectively. The crystal structure

microstructure

decay time

thermal stability and band gap were investigated systematically. The substitution of Gd/Y ions causes the lattice contraction

which results in the change of the nephelauxetic effect

and eventually leads to the blue shift of the spectra. The emission spectra of these phosphors have good matching with the 730 nm absorption peak of phytochrome FR(

)

indicating their application prospect in plant growth lighting. Cationic substitution strategy can regulate the luminescence properties of Cr

which provides ideas for the development of phosphors for plant growth lamps in the future.

关键词

荧光粉双钙钛矿结构光谱可调性能远红光Cr3+

Keywords

phosphordouble perovskite structureluminescence tuning performancefar-red lightCr3+

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