Preparation and Photoelectrochemical Performance Research of ZnO Nanorod Arrays

Quanfu Yang , Haifeng Wang,Shulin Wang, Yufang Zhu, Shengjuan Li, Laiqiang Li, Chao Liu, Haimeng Wang, Ting Li, Chen Meng, Zhaolong Wang, Gang Wang, Dunliang Jian*



ZnO nanorod arrays were prepared by chemical bath deposition (CBD) method on fluorine doped tin oxide (FTO) conducting glass substrate. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) were used to characterize the ZnO nanorod arrays. As-prepared ZnO nanorods are single-crystalline hexagonal wurtzite structure. The individual ZnO nanorod is about 50nm diametric and 1micro long. The nanorod arrays are dense oriented and uniform. Dye-sensitized solar cell device was prepared with ZnO nanorods array film sensitized by eosin Y as the photoelectrode. Their open-circuit photovoltage, short-circuit photocurrent density and the overall conversion efficiency were analied.

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