中文摘要：

<正>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%.

英文摘要：

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%.