Issue 46, 2014
From the journal:

Journal of Materials Chemistry A

A durable SWCNT/PET polymer foil based metal free counter electrode for flexible dye-sensitized solar cells

Syed Ghufran Hashmi,a   Thomas Moehl,b   Janne Halme,*a   Ying Ma,a   Tapio Saukkonen,c   Aswani Yella,b   Fabrizio Giordano,b   Jean David Decoppet,b   Shaik. M. Zakeeruddin,b   Peter Lunda  and  Michael Grätzel*b  

* Corresponding authors

a New Energy Technologies Group, Department of Applied Physics, Aalto University School of Science, P.O Box 15100, FI-00076 Aalto, Finland
E-mail: janne.halme@aalto.fi, michael.graetzel@epfl.ch

b Laboratory of Photonics and Interfaces, Ecole Polytechnique Federale de Lausanne (EPFL), CH G1 551, Station 6, CH-1015 Lausanne, Switzerland

c Engineering Materials Group, Department of Engineering Design and Production, Aalto University School of Science, FI-00076 Aalto, Finland

Abstract

An ITO free, highly conductive PET foil is fabricated by depositing aqueous single-walled carbon nanotube (SWCNT) ink that exhibits remarkable durability when exposed to severe mechanical stability tests. Excellent adhesion of the SWCNT film on PET was obtained by aging the ink overnight at 50 °C before deposition. A counter electrode for a dye-sensitized solar cell was fabricated by electro-polymerizing the PEDOT polymer over the SWCNT film which gave 7% solar cell efficiency and low (0.4 Ω cm2) charge transfer resistance.

Graphical abstract: A durable SWCNT/PET polymer foil based metal free counter electrode for flexible dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/C4TA03730H
Article type
Communication
Submitted
19 Jul 2014
Accepted
28 Aug 2014
First published
28 Aug 2014

J. Mater. Chem. A, 2014,2, 19609-19615

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A durable SWCNT/PET polymer foil based metal free counter electrode for flexible dye-sensitized solar cells

S. G. Hashmi, T. Moehl, J. Halme, Y. Ma, T. Saukkonen, A. Yella, F. Giordano, J. D. Decoppet, Shaik. M. Zakeeruddin, P. Lund and M. Grätzel, J. Mater. Chem. A, 2014, 2, 19609 DOI: 10.1039/C4TA03730H

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