TITLE

The effects of shell characteristics on the current-voltage behaviors of dye-sensitized solar cells based on ZnO/TiO2 core/shell arrays

AUTHOR(S)
Meili Wang; Changgang Huang; Yongge Cao; Qingjiang Yu; Wang Guo; Qiufeng Huang; Yuan Liu; Zhi Huang; Jiquan Huang; Hai Wang; Zhonghua Deng
PUB. DATE
June 2009
SOURCE
Applied Physics Letters;6/29/2009, Vol. 94 Issue 26, p263506
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The ZnO/TiO2 core/shell structure was formed through deposition of a TiO2 coating layer on the hydrothermally fabricated ZnO nanorod arrays through radio frequency magnetron sputtering. The effects of the TiO2 shell’s characteristics on the current-voltage behaviors of the core/shell-based dye-sensitized solar cells (CS-DSSC) were investigated. As the rates of injection, transfer, and recombination of electrons of such CS-DSSC were affected significantly by the crystallization, morphology, and continuity of the TiO2 shells, the photovoltaic efficiency was accordingly varied remarkably. In addition, the efficiency was further improved by enhancing the surface area in the core/shell electrode.
ACCESSION #
42961930

 

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