Varistor, Dielectric, and Luminescent Properties of Pr6O11-doped TiO2 Multifunctional Ceramics

被引:13
|
作者
Gong, Yunyun [1 ]
Chu, Ruiqing [1 ]
Xu, Zhijun [1 ]
Dou, Tongfu [1 ]
Zeng, Wenjing [1 ]
Zhang, Xiannan [1 ]
Hao, Jigong [1 ]
Li, Guorong [2 ]
机构
[1] Liaocheng Univ, Coll Mat Sci & Engn, Liaocheng 252059, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
基金
中国国家自然科学基金;
关键词
TiO2 varistor ceramics; Pr6O11; doping; varistor; dielectric; photoluminescence; NONLINEAR ELECTRICAL CHARACTERISTICS; MICROSTRUCTURAL CHARACTERISTICS; RED EMISSION; PR; PHOTOLUMINESCENCE; TA2O5; BEHAVIOR; CR2O3;
D O I
10.1111/jace.14251
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 series of Pr6O11 (x = 0-0.70 mol%)-doped TiO2 ceramics were synthesized by the conventional solid-state reaction method. The microstructure, electrical, and luminescence properties were systematically investigated. The results showed that the as-prepared TiO2 ceramics exhibited strong red emission at 606 nm at room temperature and the optimal photoluminescence were obtained at x = 0.30. In addition, the nonlinear coefficient was improved with the amount of Pr6O11 dopant, reaching the maximum value at x = 0.50. Therefore, Pr6O11-doped TiO2 ceramics, which simultaneously exhibited luminescent properties and good electrical properties, would be useful in novel multifunctional devices.
引用
收藏
页码:2995 / 3001
页数:7
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