Reduction of Euup>3+up> to Euup>2+up> in Baub>1−xub>Srub>xub>Gdub>1−yub>Yub>yub>Bub>9ub>Oub>16ub>:Eu phosphor: Synthesis, composition controlling, and tunable luminescence

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• 作者：Wanping Chenup> ; up>up>cwp0918@aliyun.comup> ; Xiaomei Chen ; Fangfang Sun ; Xiping Wang
• 关键词：Photoluminescence ; Borate phosphor ; Eu2+ and Eu3+ codoping ; BaGdB9O16
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：25 March 2017
• 年：2017
• 卷：698
• 期：Complete
• 页码：565-570
• 全文大小：1951 K
• 卷排序：698

文摘

Eu2+ and Eu3+ codoping Ba1−xSrxGd1−yYyB9O16 phosphors are synthesized. Eu3+ ions are controllably reduced to Eu2+ by incorporating Sr2+ or Y3+ ion, and changing Eu3+ concentration. Tunable luminescence behaviors are explained according to site occupancy theory.