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Highly uniform, bifunctional core/double-shell-structured β-NaYF4:Er3+, Yb3+ @ SiO2@TiO2 hexagonal sub-microprisms for high-performance dye sensitized solar cells.
Liangliang Liang
1 ,
Yumin Liu ,
Chenghao Bu ,
Kaimo Guo ,
Weiwei Sun ,
Niu Huang ,
Tao Peng ,
Bobby Sebo ,
Mengmei Pan ,
Wei Liu ,
Shishang Guo ,
Xing-Zhong Zhao
Apr 18 2013
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Abstract
Highly uniform core/double-shell-structured β-NaYF4:Er(3+),Yb(3+)@SiO2@TiO2 hexagonal sub-microprisms are prepared and employed in dye-sensitized solar cells (DSCs) internally. This work paves a facile way to enable the most-efficient upconversion material (β-NaYF4:Er(3+),Yb(3+)) to be used as scattering and upconversion centers in the photoelectrode of a DSC.