| Citation: |
Jiang Yinhua, Wu Xiaoli, Zhang Wenli, Ni Liang, Sun Yueming. Evolution of ZnO architecture on a nanoporous TiO2 film by a hydrothermal method and the photoelectrochemical performance[J]. Journal of Semiconductors, 2011, 32(3): 033005. doi: 10.1088/1674-4926/32/3/033005
Jiang Y H, Wu X L, Zhang W L, Ni L, Sun Y M. Evolution of ZnO architecture on a nanoporous TiO2 film by a hydrothermal method and the photoelectrochemical performance[J]. J. Semicond., 2011, 32(3): 033005. doi: 10.1088/1674-4926/32/3/033005.
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Evolution of ZnO architecture on a nanoporous TiO2 film by a hydrothermal method and the photoelectrochemical performance
doi: 10.1088/1674-4926/32/3/033005
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Abstract
The synthesis of ZnO architecture on a fluorine-doped SnO2 (FTO) conducting glass pre-coated with nanoporous TiO2 film has been achieved by a one-step hydrothermal method at a temperature of 70 ℃. The effect of the reaction time on the morphology of the ZnO architecture has been investigated, and a possible growth mechanism for the formation of the ZnO architecture is discussed in detail. The morphology and phase structures of the as-obtained composite films have been investigated by field-emission scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD). The results show that the growth time greatly affects the morphology of the obtained ZnO architecture. The photoelectrochemical performances of as-prepared composite films are measured by assembling them into dye sensitized solar cells (DSSCs). The DSSC based on the as-prepared composite film (2 h) has obtained the best power conversion efficiency of 1.845%. -
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