Towards an all-polymer cathode for dye sensitized photovoltaic cells

P. M. Sirimanne; Bjorn Winther Jensen; H. C. Weerasinghe; Yi Bing Cheng

doi:10.1016/j.tsf.2009.09.114

Towards an all-polymer cathode for dye sensitized photovoltaic cells

P. M. Sirimanne, Bjorn Winther Jensen, H. C. Weerasinghe, Yi Bing Cheng

Research output: Contribution to journal › Article

26 Citations (Scopus)

Abstract

Highly conducting conjugated polymer composite was deposited by vapour phase polymerization. Poly[3,4-ethylenedioxythiophene:para-toluenesulfonate] (PEDOT:PTS) itself was used as the counter electrode in a dye sensitized solar cell. The maximum photocurrent of 9.7 mA/cm², open circuit voltage of 759 mV, fill factor of 0.71 with a power conversion efficiency of 5.25% were observed for glass based wet type dye sensitized solar cell, under illumination of 100 mW/cm². It was observed that the resistance, during operation of the dye sensitized solar cells, due to the I₃ ^- conversion was less with PEDOT:PTS coated cathodes than with standard platinum coated fluorine doped tin oxide and was confirmed by steady state electrochemical measurements.

Original language	English
Pages (from-to)	2871-2875
Number of pages	5
Journal	Thin Solid Films
Volume	518
Issue number	10
DOIs	https://doi.org/10.1016/j.tsf.2009.09.114
Publication status	Published - 2010 Mar 1
Externally published	Yes

Keywords

Conjugated polymer composites
Poly(3,4-ethylenedioxythiophene:para-toluenesulfonate
Power conversion efficiency

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Materials Chemistry
Metals and Alloys
Surfaces, Coatings and Films
Surfaces and Interfaces

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Sirimanne, P. M., Winther Jensen, B., Weerasinghe, H. C., & Cheng, Y. B. (2010). Towards an all-polymer cathode for dye sensitized photovoltaic cells. Thin Solid Films, 518(10), 2871-2875. https://doi.org/10.1016/j.tsf.2009.09.114

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AU - Weerasinghe, H. C.

AU - Cheng, Yi Bing

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AB - Highly conducting conjugated polymer composite was deposited by vapour phase polymerization. Poly[3,4-ethylenedioxythiophene:para-toluenesulfonate] (PEDOT:PTS) itself was used as the counter electrode in a dye sensitized solar cell. The maximum photocurrent of 9.7 mA/cm2, open circuit voltage of 759 mV, fill factor of 0.71 with a power conversion efficiency of 5.25% were observed for glass based wet type dye sensitized solar cell, under illumination of 100 mW/cm2. It was observed that the resistance, during operation of the dye sensitized solar cells, due to the I3 - conversion was less with PEDOT:PTS coated cathodes than with standard platinum coated fluorine doped tin oxide and was confirmed by steady state electrochemical measurements.

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