Facile combustion synthesis of novel CaZrO3:Eu3+, Gd3+ red phosphor and remarkably enhanced photoluminescence by Gd3+ doping

Bulletin of materials science

Shuo Zhang¹  Guangjun Zhou²  Zhongsen Yang²  Xiao Jia³  Qingqing Du²  Haifeng Zhou² 

[1] SEPCO III, Qingdao 266100, P R China$$SEPCO III, Qingdao 266100, P R ChinaSEPCO III, Qingdao 266100, P R China$$;State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P R China$$State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P R ChinaState Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P R China$$;College of Control Science and Engineering, Shandong University, Jinan 250100, P R China$$College of Control Science and Engineering, Shandong University, Jinan 250100, P R ChinaCollege of Control Science and Engineering, Shandong University, Jinan 250100, P R China$$

关键词: Photoluminescence;    CaZrO3:Eu3+;    Gd3+;    solâ€�?�gel combustion;    optical property.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

A facile solâ€�?�gel combustion route was reported for the direct preparation of CaZrO₃:Eu³⁺ and CaZrO₃:Eu³⁺, Gd³⁺. The obtained deposits were characterized by XRD, TGA-DSC, SEM, EDS, PL measurements and microscope fluorescence. When the Gd³⁺ ions were introduced in this compound, the emissions of CaZrO₃:Eu³⁺ were remarkably enhanced. The emission spectrum of CaZrO₃:Eu³⁺, Gd³⁺ nanocrystals exhibited a red shift compared with CaZrO₃:Eu³⁺ samples. A new mechanism of the improved photoluminescent properties of Eu³⁺ by Gd³⁺ was investigated. The optimized phosphor CaZrO₃:5%Eu³⁺, 2%Gd³⁺ could be considered an efficient red-emitting component for white lighting devices excited in the near-ultraviolet region.

【 授权许可】

Unknown