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Temperature Sensing and In Vivo Imaging by Molybdenum Sensitized Visible Upconversion Luminescence of Rare‐Earth Oxides
Author(s) -
Dong Bin,
Cao Baosheng,
He Yangyang,
Liu Zhuang,
Li Zhipeng,
Feng Zhiqing
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201200431
Subject(s) - materials science , photon upconversion , luminescence , doping , excited state , oxide , quenching (fluorescence) , optoelectronics , energy transfer , rare earth , molybdenum , photochemistry , fluorescence , optics , chemical physics , atomic physics , chemistry , physics , metallurgy
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.