Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 38, Pages 14869-14875Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm12433a
Keywords
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Funding
- Special Project for Nanotechnology of Shanghai [1052nm02700]
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Reduced graphene (RG)-carbon nanotubes (CNTs) composite films are successfully fabricated by electrophoretic deposition and used as counter electrodes of dye-sensitized solar cells. RG is obtained by microwave-assisted reduction of graphite oxide dispersion in aqueous solution using a microwave synthesis system. By the optimization of CNTs content, photovoltaic conversion efficiency of the cell with RG-CNTs counter electrode reaches a maximum of 6.17% at one sun (AM 1.5 G, 100 mW cm(-2)) which is comparable to the cell with conventional Pt counter electrode. The results suggest that the RG-CNTs composite films provide a potential feasibility for replacing conventional Pt counter electrodes for DSSCs.
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