期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 10, 期 9, 页码 1299-1302出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2008.06.029
关键词
dye-sensitized solar cells; polyaniline; counter electrode; microporousity; cyclic voltammogram
An inexpensive microporous polyaniline (PANI) is used as a substitute for platinum to construct the counter electrode in dye-sensitized solar cells (DSSCs). The PANI counter electrode with microporosity and a size diameter of about 100 nm possesses lower charge-transfer resistance and higher electrocatalytic activity for the I-3(-)/I- redox reaction than Pt electrode does. The overall energy conversion efficiency of the DSSC with PANI counter electrode reaches 7.15%, which is higher than that of the DSSC with Pt counter electrode. The excellent photoelectric properties, simple preparation procedure and inexpensive cost allow PANI electrode to be a credible alternative for DSSCs. (C) 2008 Published by Elsevier B.V.
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