A cost-effective way of sintering Ce3+:YAG based ceramic phosphors for high power/high brightness phosphor-converted solid state light sources

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成果类型：

期刊论文

作者：

Liu, Jiaxi;Wu, Taidong;Li, Renshuang;Liang, Yongjian;Teng, Hao;...

通讯作者：

Hao Teng

作者机构：

[Wu, Taidong; Li, Renshuang; Liang, Yongjian; Liu, Jiaxi; Teng, Hao] Univ South China, Coll Mech Engn, 28 West Changsheng Rd, Hengyang 421001, Peoples R China.

[Li, Yukun; Jiang, Shunpan] Guizhou Saiyi Optoelect Technol Co Ltd, Zunyi 563000, Guizhou, Peoples R China.

[Zhang, Linjing; Lin, Hui] Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Minist Educ, 516 Jun Gong Rd, Shanghai 200093, Peoples R China.

[Zhang, Linjing; Lin, Hui] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst, 516 Jun Gong Rd, Shanghai 200093, Peoples R China.

通讯机构：

[Hao Teng] C

College of Mechanical Engineering, University of South China, No. 28 West Changsheng Road, Hengyang, 421001, China

语种：

英文

关键词：

Ce3+:YAG;Ceramic phosphor;Oxygen atmosphere sintering;Mechanism of densification

期刊：

Physica B: Condensed Matter

ISSN：

0921-4526

年：

2022

卷：

643

页码：

414124

DOI：

10.1016/j.physb.2022.414124

基金类别：

College Students Innovation and Entrepreneurship Training Program of Hunan Province, China [S202010555211]; Science and Technology Supporting Plan of Zunyi Municipal Science and Technology Bureau [GY- (2020) -15]; Student Innovation and Entrepreneurship Training Program of University of Shanghai for Science and Technology [XJ2020090]

机构署名：

本校为第一机构

院系归属：

机械工程学院

摘要：

Transparent or translucent Ce3+:YAG single-phase ceramics and Ce3+:YAG/Al2O3 ceramic composite were prepared by simple sintering in flowing oxygen at atmospheric pressure. The sintered samples presented similar optical transmittance spectra as those sintered in vacuum except the oxygen vacancies related absorption band peaked at 320 nm. SEM morphology of the ceramic plates showed dense microstructures when sintered at about 1700 °C, and the mechanism of densification in oxygen atmosphere was analyzed. In addition, the chromaticity and luminesc...

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A cost-effective way of sintering Ce3+:YAG based ceramic phosphors for high power/high brightness phosphor-converted solid state light sources

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