Reduction of graphene oxide by an in-situ photoelectrochemical method in a dye-sensitized solar cell assembly

Nanoscale Research Letters - Tập 7 Số 1 - 2012
Chen Chen1, Mingce Long2, Min Xia2, Chunhua Zhang2, Weimin Cai2
1School of Environmental Science and Engineering, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai, 200240, People’s Republic of China
2School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, People’s Republic of China

Tóm tắt

Abstract Reduction of graphene oxide [GO] has been achieved by an in-situ photoelectrochemical method in a dye-sensitized solar cell [DSSC] assembly, in which the semiconductor behavior of the reduced graphene oxide [RGO] is controllable. GO and RGO were characterized by X-ray photoelectron spectroscopy, Raman spectroscopy, high-resolution transmission electron microscope, and Fourier-transform infrared spectroscopy. It was found that the GO film, which assembled in the DSSC assembly as the counter electrode, was partly reduced. An optimized photoelectrochemical assembly is promising for modulating the reduction degree of RGO and controlling the band structure of the resulting RGO. Moreover, this method appeared to be a green progress for the production of RGO electrodes.

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Nanoscale Research Letters

Tập 7 Số 1

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