Optical and thermal behaviors of high efficient K2TiF6:Mn4+ red phosphor prepared by modified two-step co-precipitation method
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- 作者：Miaomiao Du ; Fei Tang ; Jiaqi Long ; Chaoyang Ma ; Xuanyi Yuan ; Jiantao Zhang ; Zicheng Wen ; Ran Ma ; Yongge Cao ; caoyongge@ruc.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Chemical synthesis ; Fluorides ; Phosphors ; Luminescence
- 刊名：Materials Research Bulletin
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：83
- 期：Complete
- 页码：316-323
- 全文大小：2878 K
文摘
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K2TiF6:Mn4+ red phosphors were successfully fabricated by two-step co-precipitation.
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The valence of Mn ions were demonstrated by EPR and XPS.
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Phosphors with 6 at.% Mn4+ concentration showed the best thermal stability.
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A warm WLED was fabricated and characterized.