Improvement of Carbon-Based Counter Electrode for Dye-Sensitized Solar Cells

A ClO4−-doped poly(3,4-ethylenedioxythiophene) (PEDOT)-supported carbon particle (PEDOT–ClO4−/C) composite film electrode was prepared by electrophoretic deposition on transparent conductive oxide glass to improve the performance of carbon-based counter electrodes for dye-sensitized solar cells (DSS...

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Veröffentlicht in:	Bulletin of the Chemical Society of Japan 2011, Vol.84 (1), p.125-131
Hauptverfasser:	Sakurai, Sho, Jiang, Hai-qing, Takahashi, Masashi, Kobayashi, Koichi
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon Carbon-carbon composites Dyes Electrodes Glass Particulate composites Photovoltaic conversion Solar cells
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creator	Sakurai, Sho Jiang, Hai-qing Takahashi, Masashi Kobayashi, Koichi
description	A ClO4−-doped poly(3,4-ethylenedioxythiophene) (PEDOT)-supported carbon particle (PEDOT–ClO4−/C) composite film electrode was prepared by electrophoretic deposition on transparent conductive oxide glass to improve the performance of carbon-based counter electrodes for dye-sensitized solar cells (DSSC). Evaluation of the electrochemical impedance demonstrated that the PEDOT–ClO4−/C composite film electrode had a lower iodide electrolyte/electrode interfacial resistance than that of a simple carbon particle film electrode. As a result, a DSSC with a PEDOT–ClO4−/C composite film counter electrode had a significantly improved fill factor and photovoltaic conversion efficiency, compared to a cell based on a simple carbon particle film electrode. Furthermore, the photovoltaic conversion efficiency of a DSSC with a PEDOT–ClO4−/C composite film electrode demonstrated approximately 85% of the conversion efficiency of a DSSC with a platinum-sputtered glass counter electrode.
doi_str_mv	10.1246/bcsj.20100239
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Evaluation of the electrochemical impedance demonstrated that the PEDOT–ClO4−/C composite film electrode had a lower iodide electrolyte/electrode interfacial resistance than that of a simple carbon particle film electrode. As a result, a DSSC with a PEDOT–ClO4−/C composite film counter electrode had a significantly improved fill factor and photovoltaic conversion efficiency, compared to a cell based on a simple carbon particle film electrode. 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source	Oxford University Press Journals All Titles (1996-Current)
subjects	Carbon Carbon-carbon composites Dyes Electrodes Glass Particulate composites Photovoltaic conversion Solar cells
title	Improvement of Carbon-Based Counter Electrode for Dye-Sensitized Solar Cells
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