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电荷补偿剂增强的Ca2.96Eu0.04（PO4）2红色荧光粉
  • ISSN号：1000-7032
  • 期刊名称：《发光学报》
  • 时间：0
  • 分类：O611.4[理学—无机化学;理学—化学]
  • 作者机构：[1]河北科技师范学院化学工程学院
  • 相关基金：国家自然科学基金(51171163)资助项目
作者： 张志伟[1], 王晓娟[1], 任艳军[1]
关键词： 高温固相法, 电荷补偿剂, Ca2.96Eu0.04(PO4)2, 红色荧光粉
中文摘要：

采用高温固相法合成了Li+、Na+、K+和Si4+作为电荷补偿剂的Ca2.96Eu0.04(PO4)2白光LED用红色荧光粉。采用X射线衍射仪、荧光光谱仪对材料的物相和发光性能进行了表征。样品的激发光谱由200~310 nm的电荷迁移带和310~500 nm的锐线光谱组成,其中396 nm的激发强度最大。发射光谱主要由5D0→7F1(593 nm)和5D0→7F2(616 nm)跃迁导致的发射峰构成。掺入Li+、Na+、K+和Si4+可以有效提高Ca2.96Eu0.04(PO4)2荧光粉的发光强度,同时对荧光粉的寿命和色坐标影响不大。荧光粉的色坐标均位于红色区域。

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期刊信息
  • 《发光学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会发光分会 中国科学院长春光学精密机械与物理研究所
  • 主编：申德振
  • 地址：长春市东南湖大路3888号
  • 邮编：130033
  • 邮箱：fgxbt@126.com
  • 电话：0431-86176862
  • 国际标准刊号：ISSN：1000-7032
  • 国内统一刊号：ISSN：22-1116/O4
  • 邮发代号:12-312
  • 获奖情况:
  • 物理学类核心期刊,2000年获中国科学院优秀期刊二等奖,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:7320