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EDTA辅助水热法制备NaGd0.79-xYxF4:Yb3+,Er3+固溶体上转换性能的研究（英文）
  • ISSN号：1002-185X
  • 期刊名称：《稀有金属材料与工程》
  • 时间：0
  • 分类：TB383.1[一般工业技术—材料科学与工程] TQ422[化学工程]
  • 作者机构：昆明理工大学, 云南省新材料制备与加工重点实验室
  • 相关基金：National Natural Science Foundation of China(11204113,61265004,51272097);Foundation of Natural Science of Yunnan Province(2011FB022)
作者： 刘雪娥, 邱建备, 徐旭辉, 杨勇, 周大成
关键词： NaGd0.79-xYxF4:Yb3+, Er3+纳米晶, 固溶体, 上转换发光, 水热法
中文摘要：

通过EDTA辅助的水热法合成了Yb3+/Er3+共掺NaGd0.79-xYxF4固溶体。XRD与TEM结果表明成功制备出直径约为20nm的纳米颗粒。通过光谱显示,系列样品在980nm激光激发下,观察到了位于540,656nm的发光,分别归因于Er3+离子2H11/2,4S3/2→4I15/2与4F9/2→4I15/2跃迁,并且通过调节Y3+/Gd3+比例,显著增强了Er3+的上转换发光强度。与此同时,Y3+完全取代Gd3+时,Er3+上转换发光强度最强。EDX结果表明,Yb3+在NaGdF4与NaYF4基质中具有不同的固溶度,并进一步讨论了可能的上转换发光机理。

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期刊信息
  • 《稀有金属材料与工程》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会 中国材料研究学会 西北有色金属研究院
  • 主编：张平祥
  • 地址：西安市51号信箱
  • 邮编：710016
  • 邮箱：RMME@c-nin.com
  • 电话：029-86231117
  • 国际标准刊号：ISSN：1002-185X
  • 国内统一刊号：ISSN：61-1154/TG
  • 邮发代号:52-172
  • 获奖情况:
  • 首届国家期刊奖,中国优秀期刊一等奖,中国有色金属工业优秀期刊1等奖
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  • 俄罗斯文摘杂志,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,美国科学引文索引（扩展库）,英国科学文摘数据库,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:24715