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Issue 8, 2013
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Enhanced photovoltaic performance of a dye-sensitized solar cell using graphene–TiO2 photoanode prepared by a novel in situ simultaneous reduction-hydrolysis technique

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Abstract

Enhanced photovoltaic performance of a DSSC using graphene–TiO2 photoelectrodes prepared by our recent in situ simultaneous reduction-hydrolysis technique (Adv. Funct. Mater., 2012, DOI: 10.1002/adfm.201202349, in press) was achieved. The DSSCs based on the G–TiO2 nanocomposites improved their overall energy conversion efficiency to 7.1%. The results prove that the promoting effect of graphene is strongly dependent on its content; namely, the efficiency of DSSCs increases and then decreases with increasing graphene content in TiO2graphene composites. Excessive graphene in the nanocomposite leads to a decrease of the light harvest of dye molecules and thus a negative effect on the power conversion efficiency of DSSCs.

Graphical abstract: Enhanced photovoltaic performance of a dye-sensitized solar cell using graphene–TiO2 photoanode prepared by a novel in situ simultaneous reduction-hydrolysis technique

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Publication details

The article was received on 12 Dec 2012, accepted on 20 Feb 2013 and first published on 22 Feb 2013


Article type: Paper
DOI: 10.1039/C3NR34059G
Citation: Nanoscale, 2013,5, 3481-3485
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    Enhanced photovoltaic performance of a dye-sensitized solar cell using graphene–TiO2 photoanode prepared by a novel in situ simultaneous reduction-hydrolysis technique

    L. Chen, Y. Zhou, W. Tu, Z. Li, C. Bao, H. Dai, T. Yu, J. Liu and Z. Zou, Nanoscale, 2013, 5, 3481
    DOI: 10.1039/C3NR34059G

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