Effects of Ho3+ concentration on the photoluminescence of the ZnO Up-conversion films

被引：3
作者：
Wang Danping [1 ]
Meng Xiaoqi [1 ]
Xu Boxu [1 ]
Zou Kaishun [1 ]
Zhao Changjiang [1 ]
Liu Juncheng [1 ]
机构：
[1] Tianjin Polytech Univ, Sch Mat Sci & Engn, Tianjin 300387, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2017年 / 677卷
基金：
中国国家自然科学基金;
关键词：
Photoluminescence; Sol-gel; ZnO film; Ho3+ ions; Up-conversion; LUMINESCENCE PROPERTIES; ENERGY-TRANSFER; ER3+; EMISSION; YB3+; TRANSPARENT; EXCITATION; GLASSES; EU3+;
D O I：
10.1016/j.cplett.2017.03.083
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ZnO up-conversion films were prepared by sol-gel and spin-coating methods. The results showed that ZnO remained the hexagonal wurtzite structure after rare earth ions were doped. The light transmittance of the films at near-infrared (800-1250 nm) wavelengths decreased at first and then increased, and the lowest value appeared when the concentration of Ho3+ was 7 mol%. There were two intense emission bands in the up-conversion emission spectrum, namely the 545 nm green light and the 660 nm red light. The up-conversion luminescence intensity of the films increased at first and then declined, and the maximum was at 7 mol%. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：148 / 151
页数：4
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