Conversion of blue light to near infrared emission by Y3Al5O12: Ce3+, Er3+, Ho3+

被引：1
|
作者：
Xiao, Kai [1 ]
Yang, Xiaoliang [1 ]
Xiao, Siguo [1 ]
机构：
[1] Xiangtan Univ, Sch Phys & Optoelect, Xiangtan 411105, Hunan, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2018年 / 11卷 / 03期
关键词：
Conversion; near infrared luminescence; phosphor; sensitizer; HIGH-PERFORMANCE PSEUDOCAPACITORS; ELECTROCHEMICAL ENERGY-STORAGE; CARBON-FIBER PAPER; ASYMMETRIC SUPERCAPACITORS; BIFUNCTIONAL ELECTROCATALYST; ELECTRODE MATERIALS; FACILE SYNTHESIS; NI FOAM; GRAPHENE; ARRAYS;
D O I：
10.1142/S1793604718500625
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ho3+ single-doped, Ce3+/Ho3+ co-doped and Ce3+/Er3+/Ho3+ tri-doped Y3Al5O12 (YAG) near infrared (NIR) phosphors were prepared by coprecipitation-melted salt method. The 2090 nm emission of Ho3+ is improved by 2 times in Ce3+/Er3+/Ho3+ tri-doped YAG phosphor and by 0.5 times in Ce3+/Ho3+ co-doped YAG phosphor, compared with that in Ho3+ single-doped YAG phosphor. The improved luminescence at 2090 nm in Ce3+/Er3+/Ho3+ tri-doped YAG phosphor is performed by the Ce3+ -> Er3+ -> Ho3+ indirect sensitization. It is estimated that the Ce3+ -> Er3+ -> Ho3+ indirect sensitization efficiency is about 64% in the Y2.61Al5O12:0.06Ce, 0.15Er, 0.14Ho sample.
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页数：12
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