Enhanced Sunlight Excited 1-lm Emission in Cr3+-Yb3+ Codoped Transparent Glass-Ceramics Containing Y3Al5O12 Nanocrystals

被引：25
作者：
Fang, Zaijin [1 ]
Li, Yang [1 ]
Zhang, Fangteng [1 ]
Ma, Zhijun [1 ]
Dong, Guoping [1 ]
Qiu, Jianrong [1 ]
机构：
[1] S China Univ Technol, Inst Opt Commun, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2015年 / 98卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ND-YAG LASER; SOLAR-PUMPED LASERS; SPECTRAL CONVERSION; OPTICAL-PROPERTIES; LAF3; NANOCRYSTALS; DOWN-CONVERSION; GARNET; CRYSTALS; CR3+;
D O I：
10.1111/jace.13449
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：
Cr3+-Yb3+ codoped transparent glass-ceramics containing Y3Al5O12 nanocrystals were prepared by heat treatment of as-prepared glass sample and characterized by X-ray diffraction and transmission electron microscopy. The efficient energy transfer from Cr3+ to Yb3+ ions through multi-phonon-assisted process was confirmed by the luminescence spectrum and fluorescent lifetime measurements. When excited by the lights from a solar simulator in the wavelength region of 400-800nm, greatly enhanced near-infrared emission around 1m was achieved from Cr3+-Yb3+ codoped glass ceramic compared with that from as-prepared glass and Ce3+-Yb3+ codoped glass ceramic. These results demonstrate that the Cr3+-Yb3+ codoped glass ceramic is a promising material for enhancement of the efficiency of solar energy utilization.
引用
收藏
页码：1105 / 1110
页数：6
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