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White light emission from Dy3+-doped LiLuF4single crystal grown by Bridgman method

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Abstract

Lithium lutetium fluoride (LiLuF4) single crystals doped with different Dy3+ion concentrations were grown by Bridgman method. The Judd-Ofelt (J-O) strength parameters (Ω2, Ω4, Ω6) of Dy3+in LiLuF4crystal are calculated according to the measured absorption spectra and the J-O theory, by which the asymmetry of the Dy3+:LiLuF4single crystal and the possibility of attaining stimulated emission from 4F9/2level are analyzed. The capability of the Dy3+:LiLuF4crystal in generating white light by simultaneous blue and yellow emissions under excitation with ultraviolet light is produced. The effects of excitation wavelength and doping concentration on chromaticity coordinates and photoluminescence intensity are also investigated. Favorable CIE coordinates, x=0.319 3 and y=0.349 3, can be obtained for Dy3+ion in 2.701% molar doping concentration under excitation of 350 nm.

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DOI:10.1007/s11801-014-4052-4

基金项目:This work has been supported by the National Natural Science Foundation of China (Nos.51272109 and 11374044), the Natural Science Foundation of Ningbo city (No.201401A6105016), and K.C. Wong Magna Fund in Ningbo University.

收稿日期:2014-04-02

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DONG Yan-ming:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
XIA Hai-ping:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
FU Li:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
LI Shan-shan:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
GU Xue-mei:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
ZHANG Jian-li:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
WANG Dong-jie:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
ZHANG Yue-pin:Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
JIANG Hao-chuan:Ningbo Institute of Materials Technology and Engineering, the Chinese Academy of Sciences, Ningbo 315211, China
CHEN Bao-jiu:Department of Physics, Dalian Maritime University, Dalian 116026, China

联系人作者:XIA Hai-ping(hpxcm@nbu.edu.cn)

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引用该论文

DONG Yan-ming,XIA Hai-ping,FU Li,LI Shan-shan,GU Xue-mei,ZHANG Jian-li,WANG Dong-jie,ZHANG Yue-pin,JIANG Hao-chuan,CHEN Bao-jiu. White light emission from Dy3+-doped LiLuF4single crystal grown by Bridgman method[J]. 光电子快报(英文版), 2014, 10(4): 262-265

DONG Yan-ming,XIA Hai-ping,FU Li,LI Shan-shan,GU Xue-mei,ZHANG Jian-li,WANG Dong-jie,ZHANG Yue-pin,JIANG Hao-chuan,CHEN Bao-jiu. White light emission from Dy3+-doped LiLuF4single crystal grown by Bridgman method[J]. Optoelectronics Letters, 2014, 10(4): 262-265

被引情况

【1】JIANG Dong-sheng,JIANG Yong-zhang,XIA Hai-ping,ZHANG Jia-zhong,YANG Shuo,GU Xue-mei,JIANG Hao-chuan,CHEN Bao-jiu. Growth and optical properties of Dy3+/Eu3+co-doped NaYF4single crystals with cubic lattice for white LED application. Optoelectronics Letters, 2015, 11(5): 356-360

【2】WANG Cheng,XIA Hai-ping,FENG Zhi-gang,ZHANG Zhi-xiong,JIANG Dong-sheng,ZHANG Jian,SHENG Qi-guo,TANG Qing-yang,HE Shi-nan,JIANG Hao-chuan,CHEN Bao-jiu. Enhanced emission at 2.85 μm of Ho3+/Pr3+co-doped α-NaYF4single crystal. Optoelectronics Letters, 2016, 12(1): 56-60

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