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The synthesis of ZnO architecture on a fluorine-doped SnO_2(FTO) conducting glass pre-coated with nanoporous TiO_2 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%.
The synthesis of ZnO architecture on a fluorine-doped SnO 2 (FTO) conducting glass pre-coated with nanoporous TiO 2 film has been achieved by a one-step hydrothermal method at a temperature of 70 ° C. 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 results of X-ray diffraction (XRD). The results show that the growth time greatly affects the morphology of the resulting ZnO architecture. photo photoochemicals 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 resulted in a best power conversion efficiency of 1.845%.