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Temperature Sensing and In Vivo Imaging by Molybdenum Sensitized Visible Upconversion Luminescence of Rare-Earth Oxides

Authors

  • Bin Dong,

    Corresponding author
    1. Liaoning Key Lab of Optoelectronic Films & Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, 116600, China
    • Bin Dong, Liaoning Key Lab of Optoelectronic Films & Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, 116600, China

      Zhipeng Li, Beijing Key Laboratory of Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing, 100048, China.

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  • Baosheng Cao,

    1. Liaoning Key Lab of Optoelectronic Films & Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, 116600, China
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  • Yangyang He,

    1. Liaoning Key Lab of Optoelectronic Films & Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, 116600, China
    2. Faculty of Physics, University Duisburg-Essen, Duisburg, 47057, Germany
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  • Zhuang Liu,

    1. Functional Nano & Soft Materials Laboratory and Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
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  • Zhipeng Li,

    Corresponding author
    1. Beijing Key Laboratory of Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing, 100048, China
    • Bin Dong, Liaoning Key Lab of Optoelectronic Films & Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, 116600, China

      Zhipeng Li, Beijing Key Laboratory of Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing, 100048, China.

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  • Zhiqing Feng

    1. Liaoning Key Lab of Optoelectronic Films & Materials, School of Physics and Materials Engineering, Dalian Nationalities University, Dalian, 116600, China
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Abstract

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A novel high excited state energy transfer pathway to overcome the phonon quenching effect in rare-earth (RE) oxide upconversion (UC) materials is reported. In Er(Tm)-Yb oxide systems, an extraordinary enhancement of UC luminescence efficiency with four orders of magnitude is realized by Mo co-doping. The RE oxides with significant UC efficiency are successfully utilized for temperature sensing and in vivo imaging.

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