浏览全部资源
扫码关注微信
广西师范学院 化学与材料科学学院, 广西 南宁 530001
纸质出版日期:2016-8-5,
收稿日期:2016-4-6,
修回日期:2016-5-12,
扫 描 看 全 文
陈彩花, 彭海龙, 梁利芳等. 燃烧法可控制备Eu<sup>3+</sup>-Eu<sup>2+</sup>共存Ca<sub>12</sub>Al<sub>14</sub>O<sub>32</sub>F<sub>2</sub>荧光粉及其荧光性能的研究[J]. 发光学报, 2016,37(8): 932-939
CHEN Cai-hua, PENG Hai-long, LIANG Li-fang etc. Tunable Luminescence of Ca<sub>12</sub>Al<sub>14</sub>O<sub>32</sub>F<sub>2</sub>:Eu<sup>2+</sup>,Eu<sup>3+</sup> Phosphors Prepared by Combustion Method[J]. Chinese Journal of Luminescence, 2016,37(8): 932-939
陈彩花, 彭海龙, 梁利芳等. 燃烧法可控制备Eu<sup>3+</sup>-Eu<sup>2+</sup>共存Ca<sub>12</sub>Al<sub>14</sub>O<sub>32</sub>F<sub>2</sub>荧光粉及其荧光性能的研究[J]. 发光学报, 2016,37(8): 932-939 DOI: 10.3788/fgxb20163708.0932.
CHEN Cai-hua, PENG Hai-long, LIANG Li-fang etc. Tunable Luminescence of Ca<sub>12</sub>Al<sub>14</sub>O<sub>32</sub>F<sub>2</sub>:Eu<sup>2+</sup>,Eu<sup>3+</sup> Phosphors Prepared by Combustion Method[J]. Chinese Journal of Luminescence, 2016,37(8): 932-939 DOI: 10.3788/fgxb20163708.0932.
采用燃烧法合成Ca
12-
x
Al
14
O
32
F
2
:
x
Eu荧光粉,对样品进行了X射线粉末衍射(XRD)、X射线光电子能谱(XPS)、扫描电镜(SEM)以及光致发光光谱等表征,探讨了燃烧温度、氟化铵、尿素、硼酸以及铕浓度等合成条件对荧光性能的影响。研究结果表明,利用燃烧法可以合成Eu
3+
-Eu
2+
共存、发光可调的荧光粉。通过改变合成条件,改变Eu
2+
和Eu
3+
的比例,荧光粉的发光颜色可表现为白光-橙红色-蓝白光-淡紫色-深蓝色-淡蓝色等变化。
A series of luminescent emission-tunable phosphors Ca
12
Al
14
O
32
F
2
:
x
Eu were synthesized by combustion method. X-ray powder diffraction (XRD)
X-ray photoelectron spectroscopy (XPS)
scanning electron microscope (SEM) and photoluminescence spectra (PL) were used to characterize the phosphors. The effects of combustion temperature
ammonium fluoride
urea
boric acid and co-activator Eu
3+
-Eu
2+
on the luminescent properties of the phosphors were also studied. The results show that the emission color of the prepared phosphors can be tuned appropriately from orange red to blue by adjusting the synthesis condition due to the coexistence of Eu
3+
and Eu
2+
.
Ca12Al14O32F2Eu3+-Eu2+燃烧法可控合成发光材料
YU R J, WANG J, ZHAO Z, et al.. Structure and tunable blue-white-red luminescence of Eu2+/Eu3+-doped Na5Al(PO4)2F2 single-phase phosphor[J]. Mater. Lett., 2015, 160:294-297.
ZHANG J C, LONG Y Z, ZHANG H D, et al.. Eu2+/Eu3+-emission-ratio-tunable CaZr(PO4)2:Eu phosphors synthesized in air atmosphere for potential white light-emitting deep UV LEDs[J]. J. Mater. Chem. C, 2014, 2(2):312-318.
PEI Z, ZENG Q, SU Q. A study on the mechanism of the abnormal reduction of Eu3+Eu2+ in Sr2B5O9Cl prepared in air at high temperature[J]. J. Solid State Chem., 1999, 145(1):212-215.
HOU J S, JIANG W Z, FANG Y Z, et al.. Red, green and blue emissions coexistence in white-light-emitting Ca11(SiO4)4(BO3)2:Ce3+, Eu2+, Eu3+ phosphor[J]. J. Mater. Chem. C, 2013, 1(37):5892-5898.
XU S C, LI P L, WANG Z J, et al.. Luminescence and energy transfer of Eu2+/Tb3+/Eu3+ in LiBaBO3 phosphors with tunable-color emission[J]. J. Mater. Chem. C, 2015, 3(35):9112-9121.
XIA Z G, ZHUANG J Q, LIAO L B. Novel red-emitting Ba2Tb(BO3)2Cl:Eu phosphor with efficient energy transfer for potential application in white light-emitting diodes[J]. Inorg. Chem., 2012, 51(13):7202-7209.
SOKOLNICKI J, ZYCH E. Synthesis and spectroscopic investigations of Sr2Y8(SiO4)6O2:Eu2+, Eu3+ phosphor for white LEDs[J]. J. Lumin., 2015, 158:65-69.
CHEN X, ZHAO J F, YU L P, et al.. A white light emitting phosphor Sr1.5Ca0.5SiO4:Eu3+, Tb3+, Eu2+ for LED-based near-UV chip:preparation, characterization and luminescent mechanism[J]. J. Lumin., 2011, 131(12):2697-2702.
DAI W B. Mechanism of the reduction and energy transfer between Eu2+ and Eu3+ in Eu-doped CaAl2Si2O8 materials prepared in air[J]. J. Mater. Chem. C, 2014, 2(20):3951-3959.
DOBROWOLSKA A, ZYCH E. Spectroscopic characterization of Ca3Y2Si3O12:Eu2+, Eu3+ powders in VUV-UV-Vis region[J]. J. Phys. Chem. C, 2012, 116(48):25493-25503.
ZHANG Y, LI X J, LI K, et al.. Crystal-site engineering control for the reduction of Eu3+ to Eu2+ in CaYAlO4:structure refinement and tunable emission properties[J]. ACS Appl. Mater. Inter., 2015, 7(4):2715-2725.
ZHANG Y, LIU X M, LI X J, et al.. Overcoming crystallographically imposed geometrical restrictions on the valence state of Eu in CaGdAlO4:realization of white light emission from singly-doped Eu phosphors[J]. Dalton Trans., 2015, 44(17):7743-7747.
CHEN W P. Eu2+ and Eu3+ co-activated LaAlO3 phosphor:synthesis and tuned luminescence[J]. Dalton Trans., 2015, 44(40):17730-17735.
YE S, XIAO F, PAN Y X, et al.. Phosphors in phosphor-converted white light-emitting diodes:recent advances in materials, techniques and properties[J]. Mater. Sci. Eng. R Rep., 2010, 71(1):1-34.
付作岭,董晓睿,盛天琦,等.纳米晶体中稀土离子的发光性质及其变化机理研究[J].中国光学,2015, 8(1):139-144. FU Z L, DONG X R, SHENG T Q, et al.. Luminescene properties and various mechanisms of rare earth ions in the nanocrystals[J]. Chin. Opt., 2015, 8(1):139-144. (in Chinese)
0
浏览量
28
下载量
4
CSCD
关联资源
相关文章
相关作者
相关机构