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Issue 2, 2013
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Counter electrodes from double-layered polyaniline nanostructures for dye-sensitized solar cell applications

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Abstract

Counter electrodes from polypyrrole (PPy) and polyaniline (PANi) nanostructures were fabricated by chemical and electrochemical approaches for dye-sensitized solar cell (DSSC) applications. It was found that double-layered PANi consisting of a nanoparticle layer and a nanofiber layer was formed by an electrodeposition route, given significantly increased active sites and solar cell performances. The solar-to-electricity conversion efficiency of the double-layered PANi-based DSSC was 6.58% under 100 mW cm−2 (AM 1.5), which was much higher than those of PPy and chemically deposited PANi or Pt-based DSSCs. The enhancement in the conversion efficiency was due to the design of double-layered nanostructures, which resulted in an increased charge transfer kinetics and higher electrocatalytic activity for the I/I3 redox reaction.

Graphical abstract: Counter electrodes from double-layered polyaniline nanostructures for dye-sensitized solar cell applications

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Article information


Submitted
22 Aug 2012
Accepted
11 Oct 2012
First published
12 Oct 2012

J. Mater. Chem. A, 2013,1, 317-323
Article type
Paper

Counter electrodes from double-layered polyaniline nanostructures for dye-sensitized solar cell applications

Q. Tang, H. Cai, S. Yuan and X. Wang, J. Mater. Chem. A, 2013, 1, 317
DOI: 10.1039/C2TA00026A

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