Towards an all-polymer cathode for dye sensitized photovoltaic cells

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/cm 2, open circuit voltage of 7...

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Bibliographic Details
Published in:Thin solid films 2010-03, Vol.518 (10), p.2871-2875
Main Authors: Sirimanne, P.M., Winther-Jensen, B., Weerasinghe, H.C., Cheng, Yi-Bing
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conjugated polymer composites
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport phenomena in thin films and low-dimensional structures
Energy
Exact sciences and technology
Natural energy
Organic polymers
Photoconduction and photovoltaic effects
photodielectric effects
Photovoltaic conversion
Physicochemistry of polymers
Physics
Poly(3,4-ethylenedioxythiophene: para-toluenesulfonate
Power conversion efficiency
Properties and characterization
Solar cells. Photoelectrochemical cells
Solar energy
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Summary: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/cm 2, 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/cm 2. It was observed that the resistance, during operation of the dye sensitized solar cells, due to the I 3 − 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.
ISSN:0040-6090
1879-2731
DOI:10.1016/j.tsf.2009.09.114