Crystallization of Y3Al5O12:Ce3+ glass microspheres prepared by flame-spraying synthesis

被引：5

作者：

He, Gang ^{[1
,2
]}

Liu, Guanghua ^{[1
]}

Guo, Shibin ^{[1
]}

Yang, Zengchao ^{[1
]}

Li, Jiangtao ^{[1
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2015年 / 26卷 / 01期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

MOLTEN-SALT SYNTHESIS; LUMINESCENCE PROPERTIES; PHOSPHORS; ALUMINA;

D O I：

10.1007/s10854-014-2365-5

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Ce3+-doped Y3Al5O12 microspheres and microcubes were prepared by controlled crystallization of flame-sprayed glass microspheres. The morphology and microstructure of the Y3Al5O12:Ce3+ phosphor particles were affected by the heat-treatment temperature and the crystallization environment. Powder sample heat-treated in air was composed of randomly aggregated grains and their size can be tuned from nanometer scale to micrometer size by adjusting the heat-treatment temperature. Cubic Y3Al5O12:Ce3+ particles were obtained when the glass microspheres were heat-treated in NaCl-NaF molten salt medium. The formation mechanisms for the Y3Al5O12:Ce3+ microspheres and microcubes were analyzed. The photoluminescence spectra of the prepared Y3Al5O12:Ce3+ microspheres and microcubes were investigated.

引用

页码：72 / 77

页数：6

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