Temperature dependence of CIE-x,y color coordinates in YAG:Ce single crystal phosphor

被引：35

作者：

Rejman, Martin ^{[1
,2
]}

Babin, Vladimir ^{[1
]}

Kucerkova, Romana ^{[1
]}

Nikl, Martin ^{[1
]}

机构：

[1] Acad Sci Czech Republ, Inst Phys, Slovance 1999-2, Prague 18221 8, Czech Republic

[2] CRYTUR Ltd, Palackeho 175, Turnov 51101, Czech Republic

来源：

JOURNAL OF LUMINESCENCE | 2017年 / 187卷

关键词：

YAG:Ce; Single-crystal; Simulation; Energy level lifetime; White LED; CIE; Temperature dependence; CERAMIC PHOSPHORS; WHITE LEDS; LUMINESCENCE;

D O I：

10.1016/j.jlumin.2017.02.047

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using single-crystalYAG:Ce plates with different dopant concentration under different sample temperatures (77-500(800)K), absorption, emission and luminescence decay characteristics were measured. Simulation is used to explain the luminescence decay time increase with growing temperature. For selected incident blue excitation band and given sample thickness the composed blue-yellow spectrum is calculated after passing through the sample. Temperature dependence of the color coordinates CIE-xy is calculated, arising mostly due to specific temperature dependence of the 4f-5d(1) absorption transition of Ce3+ center in the garnet host. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：20 / 25

页数：6

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