At present, the inherent spontaneous emission loss of Yb3+ and its impact on upconversion (UC) fluorescence intensity have not been studied. In this work, a series of LiErF4:Tm@LiYF4:Yb,Er,Ce@LiYF4 core/shell/shell (C/S/S)... Click to show full abstract
At present, the inherent spontaneous emission loss of Yb3+ and its impact on upconversion (UC) fluorescence intensity have not been studied. In this work, a series of LiErF4:Tm@LiYF4:Yb,Er,Ce@LiYF4 core/shell/shell (C/S/S)...
               
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