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Issue 2, 2013
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Enhanced charge transportation in a polypyrrole counter electrode via incorporation of reduced graphene oxide sheets for dye-sensitized solar cells

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Abstract

In this work, reduced graphene oxide (RGO) sheets are successfully introduced into the conductive polypyrrole (PPy) matrix as conductive channels and co-catalyst, through simple incorporation of graphene oxide (GO) into PPy and subsequent in situ reduction from GO/PPy to RGO/PPy composite film. The RGO/PPy film is fabricated as a counter electrode for dye-sensitized solar cells, and it exhibits excellent catalytic performance for reduction of triiodide. For this reason, the incorporated RGO sheets significantly improve short-circuit photocurrent density from 14.27 to 15.81 mA cm−2 and power conversion efficiency from 7.11% to 8.14%, which is comparable with that for the cell based on a Pt cathode.

Graphical abstract: Enhanced charge transportation in a polypyrrole counter electrode via incorporation of reduced graphene oxide sheets for dye-sensitized solar cells

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Article information


Submitted
09 Aug 2012
Accepted
09 Nov 2012
First published
12 Nov 2012

Phys. Chem. Chem. Phys., 2013,15, 546-552
Article type
Paper

Enhanced charge transportation in a polypyrrole counter electrode via incorporation of reduced graphene oxide sheets for dye-sensitized solar cells

F. Gong, X. Xu, G. Zhou and Z. Wang, Phys. Chem. Chem. Phys., 2013, 15, 546
DOI: 10.1039/C2CP42790G

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