Up-conversion luminescence properties of Yb3+-Ho3+ co-doped CaLa2ZnO5

被引：38

作者：

Li, Fangmin ^{[1
]}

Li, Lin ^{[2
]}

Guo, Chongfeng ^{[2
]}

Li, Ting ^{[2
]}

Noh, Hyeon Mi ^{[3
]}

Jeong, Jung Hyun ^{[3
]}

机构：

[1] NW Univ Xian, Sch Life Sci, Minist Educ, Key Lab Resource Biol & Biotechnol Western China, Xian 710069, Peoples R China

[2] NW Univ Xian, Natl Key Lab Photoelect Technol & Funct Mat Cultu, Natl Photoelect Technol & Funct Mat & Applicat Sc, Inst Photon & Photon Technol, Xian 710069, Peoples R China

[3] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Phosphor; Up-conversion; Energy transfer; CAIN2O4;

D O I：

10.1016/j.ceramint.2013.12.080

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：

A class of Yb3+/Ho3+ ions co-doped CaLa2ZnO5 (CLZ) up-conversion (UC) phosphors were synthesized by sol gel method. Under 980 nm excitation, UC spectra consist of two prominent emission bands centered at 545 and 662 nm originating from F-5(4), S-5(2)-> I-5(8) and F-5(5)-> I-5(8) transitions of Ho3+ ion, respectively. The UC spectra as a function of the concentration of the dopants were also investigated to determine the optimal composition. The possible UC mechanism was proposed, and lifetime measurements were also carried out to support our proposal. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：7363 / 7366

页数：4

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