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

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• 作者：Gang He ; Guanghua Liu ; Shibin Guo…
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：26
• 期：1
• 页码：72-77
• 全文大小：1,133 KB
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• 作者单位：Gang He (1) (2)
  Guanghua Liu (1)
  Shibin Guo (1)
  Zengchao Yang (1)
  Jiangtao Li (1)
  
  1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
  2. University of Chinese Academy of Sciences, Beijing, 100039, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Optical and Electronic Materials
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1573-482X

文摘

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.