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Polyaniline/Graphene/Multi-Walled Carbon Nanotube Composites as Counter Electrode for Dye-Sensitized Solar Cells

Published online by Cambridge University Press:  14 October 2014

Yen-Chen Shih ,
Hsiao-Li Lin  and
King-Fu Lin
Yen-Chen Shih
Affiliation:
Department of Materials Science and Engineering, National Taiwan University, Taipei, Taiwan
Hsiao-Li Lin
Affiliation:
Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan
King-Fu Lin
Affiliation:
Department of Materials Science and Engineering, National Taiwan University, Taipei, Taiwan Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan
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Abstract

To provide a counter electrode with lower-cost and simple production method for dye-sensitized solar cells (DSSCs), we developed polyaniline/graphene nanoplatelet/multi-walled carbon nanotube (PANi/GNP/MWCNT) composite films growing on glass substrates by using chemical/electrochemical deposition method and on fluorine-doped tin oxide (FTO)/glass substrates by using electrochemical deposition method respectively. A proper weight ratio of PANi/GNP/MWCNT (1/0.0030/0.0045) composite film depositing on FTO substrate as counter electrode with sheet resistance of 8.25±0.13 Ω/sq for DSSCs yielded power conversion efficiency (PCE) up to 7.45±0.08%, which has potential to replace the conventional Pt cell (7.62±0.07%). In addition, we also fabricated the DSSCs composed of a proper weight ratio of PANi/GNP/MWCNTs (1/0.0045/0.0060) composite film depositing on glass substrate as counter electrode. The sheet resistance of resulting composite film was 59.34±12.34 Ω/sq. These solar cells with FTO-free counter electrode exhibited a PCE of 2.90±0.09%.

Keywords

compositeelectrochemical synthesisenergy generation
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1667: Symposium B – Organic and Inorganic Materials for Dye-Sensitized Solar Cells , 2014 , mrss14-1667-b02-03
Copyright
Copyright © Materials Research Society 2014 

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References

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