Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jphotochem.2011.08.004
Title: Facile fabrication of polypyrrole/functionalized multiwalled carbon nanotubes composite as counter electrodes in low-cost dye-sensitized solar cells
Authors: Peng, S.
Wu, Y.
Zhu, P.
Thavasi, V. 
Mhaisalkar, S.G.
Ramakrishna, S. 
Keywords: Carbon nanotube
Counter electrodes
Dye-sensitized solar cells
Flexible substrates
Polypyrrole
Issue Date: 25-Sep-2011
Source: Peng, S., Wu, Y., Zhu, P., Thavasi, V., Mhaisalkar, S.G., Ramakrishna, S. (2011-09-25). Facile fabrication of polypyrrole/functionalized multiwalled carbon nanotubes composite as counter electrodes in low-cost dye-sensitized solar cells. Journal of Photochemistry and Photobiology A: Chemistry 223 (2-3) : 97-102. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jphotochem.2011.08.004
Abstract: This paper reports facile fabrication of polypyrrole (Ppy)/functionalized multiwalled carbon nanotube (f-MWCNT) nanocomposite films on rigid fluorine-doped tin oxide (FTO) and flexible ITO-coated polyethylene naphthalate (PEN) substrates by a drop casting method, and their application as counter electrodes in dye-sensitized solar cells (DSSCs). The electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) measurements of this solution processed Ppy/f-MWCNT nanocomposite film display good catalytic performance for I3 -/I- solution. The photoelectric conversion efficiency of the DSSCs with the Ppy/f-MWCNT counter electrodes on FTO and PEN substrates reaches 7.02% and 4.04%, respectively, under AM1.5 illumination of 100 mW cm-2, comparable to that of the DSSCs based on sputtered Pt electrodes. The fabrication method of such counter electrodes is simple under room temperature and can be applicable in large-scale production. © 2011 Elsevier B.V. All rights reserved.
Source Title: Journal of Photochemistry and Photobiology A: Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/85201
ISSN: 10106030
DOI: 10.1016/j.jphotochem.2011.08.004
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