Decay Behavior in Ce3+-Doped La3Si6N11 and Lu3Al5O12 Phosphors

被引：16

作者：

Park, Woon Bae ^{[1
]}

Kwon, Tae Hyun ^{[2
]}

Sohn, Kee-Sun ^{[1
]}

机构：

[1] Sejong Univ, Fac Nanotechnol & Adv Mat Engn, Seoul 143747, South Korea

[2] Daejoo Elect Mat Co LTD, Siheung Si 429848, Gyeongggi Do, South Korea

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2015年 / 98卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

ENERGY-TRANSFER; COLOR; SITES; CE3+;

D O I：

10.1111/jace.13295

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ce3+-activated light emitting diode (LED) phosphors have been extensively examined for photoluminescence, and have been the focus of many detailed structural studies. However, reports of the decay curves of Ce3+-activated LED phosphors are rare. Although we have reported the decay behaviors of several Eu2+-activated LED phosphors such as Sr2SiO4, Sr2Si5N8, and CaAlSiN3, we have never conducted an in-depth study into the decay behavior for Ce3+-activated LED phosphors. For this study, we investigated the decay curves of well-known Ce3+-activated LED phosphors such as La3Si6N11 and Lu3Al5O12. Similar to Eu2+-activated LED phosphors, the decay behavior of Ce3+-activated LED phosphors was sensitive to the Ce3+ concentration and to the detection wavelength. There was active nonradiative energy transfer between the Ce3+ activators located at different sites.

引用

页码：490 / 494

页数：5

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