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Studies on Upconversion Mechanism of

時間:2023-04-29 09:59:17 數(shù)理化學論文 我要投稿
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Studies on Upconversion Mechanism of ZrO2∶Er3+,Yb3+ Nanocrystals Under Excitation at 488 and 980 nm

Erbium, Ytterbium-codoped ZrO2 nanoparticles(ZrO2∶Er3+,Yb3+) were prepared by the sol-emulsion-gel technique. The purpose of the present study is the application of upconversion phosphor in the biological label. In order to make out the mechanism of upconversion under 980 nm excitation the 488 nm pump was used. The influence of temperature on the crystallite phase was studied. The results confirm the upconverted mechanism in ZrO2∶Er3+,Yb3+ nanocrystals is due to an energy transfer upconversion(ETU).

作 者: JIA Ruo-kun JIAN Wen-ping GUO Wei SHAN Gui-ye U Qian LIU Zhao-yue BAI Yu-Bai LI Tie-jin KONG Xiang-gu   作者單位: JIA Ruo-kun,JIAN Wen-ping,GUO Wei,SHAN Gui-ye,U Qian,LIU Zhao-yue,BAI Yu-Bai,LI Tie-jin(College of Chemistry, Jilin University, Changchun 130023, P. R. China)

KONG Xiang-gu(Institute of Optics,Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130021, P. R. China) 

刊 名: 高等學;瘜W研究(英文版)  ISTIC SCI 英文刊名: CHEMICAL RESEARCH IN CHINESE UNIVERSITIES  年,卷(期): 2004 20(6)  分類號: O6  關(guān)鍵詞: Upconversion   ZrO2∶Er3+   Yb3+   Biological label  

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