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A Novel Counter Electrode Based on Hierarchical Porous Carbon for Dye-Sensitized Solar Cells

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Abstract:

Hierarchical porous carbons (HPC) were synthesized by a combination of self-assembly and chemical activation method. A mesoporous carbon with large-size pore was used as raw materials. N2 sorption measurement indicated that plenty of micropores generated within the mesopore wall in the mesoporous carbon during KOH activation. Electrochemical impedance spectroscopy measurement demonstrated a high electrocatalytic activity of HPC electrode for triiodide reduction. The overall conversion efficiency of dye-sensitized solar cells with HPC counter electrode was 6.48%, which is similar to that of the device with conventional Pt counter electrode.

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Periodical:

Materials Science Forum (Volume 685)

Pages:

1-5

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.685.1

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Online since:

June 2011

Authors:

Gui Qiang Wang, Wei Xing, Shu Ping Zhuo

Keywords:

Counter Electrode, Dye Sensitized Solar Cell (DSSC), Hierarchical Porous Carbon

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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