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Enhanced NIR emission in Ce3+/Er3+-doped YAG induced by Bi3+ doping

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【作者】 刘小海； 肖思国； 向志锋； 周碧遥； 文晴； 阳效良； 金湘亮；

【Author】 Xiaohai Liu;Siguo Xiao;Zhifeng Xiang;Biyao Zhou;Qing Wen;Xiaoliang Yang;Xiangliang Jin;Faculty of Materials,Optoelectronics and Physics,Institute for Nanophysics and Rare-earth Luminescence,Xiangtan University;Faculty of Materials,Optoelectronics and Physics,Xiangtan University;

【机构】 Faculty of Materials,Optoelectronics and Physics,Institute for Nanophysics and Rare-earth Luminescence,Xiangtan University； Faculty of Materials,Optoelectronics and Physics,Xiangtan University；

【摘要】 Ce3+/Er3+/Bi3+triply-doped yttrium aluminum garnet(YAG)is synthesized using co-precipitation method.The Bi3+concentration-dependent near-infrared(NIR)emission behavior is systemically investigated.The NIR emission of Er3+ions at 1531 nm is enhanced threefold by the addition of 7 mol%Bi3+.Bi3+doping results in the formation of exciton in YAG and the variation in the local environment of the doped rare-earth ions.The enhancement in NIR luminescence is ascribed to the combined effects of the sensitization of exciton→Ce3+→Er3+and the Bi3+doping-induced adjustment of the local environment for Ce3+and Er3+ions.

【Abstract】 Ce3+/Er3+/Bi3+triply-doped yttrium aluminum garnet(YAG) is synthesized using co-precipitation method. The Bi3+concentration-dependent near-infrared(NIR) emission behavior is systemically investigated. The NIR emission of Er3+ions at 1531 nm is enhanced threefold by the addition of 7 mol% Bi3+. Bi3+doping results in the formation of exciton in YAG and the variation in the local environment of the doped rare-earth ions. The enhancement in NIR luminescence is ascribed to the combined effects of the sensitization of exciton→Ce3+→Er3+and the Bi3+doping-induced adjustment of the local environment for Ce3+and Er3+ions.

【关键词】 doping； exciton； adjustment； garnet； luminescence； visible； yttrium； excitation； thereby； transitions；
【基金】 supported by the National Natural Science Foundation of China(Nos.61233010 and 51372214);the Hunan Provincial Natural Science Foundation of China(No.12JJ3063);the Open Project of State Key Laboratory of Rare Earth Resources Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Science(No.RERU2013017)
  • 【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2013年12期
  • 【分类号】TN24
  • 【被引频次】6
  • 【下载频次】57
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