期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 15, 期 2, 页码 546-552出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cp42790g
关键词
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资金
- National Basic Research Program of China [2011CB933302]
- National Natural Science Foundation of China [20971025, 50903020, 90922004]
- STCSM [12JC1401500]
- Shanghai Pujiang Project [11PJ1401700]
- Shanghai Leading Academic Discipline Project [B108]
- Jiangsu Major Program [BY2010147]
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.
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