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Electro-catalytic role of insulator/conductor interface in MgO/PEDOT composite electrodes for dye-sensitized solar cells

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Abstract

MgO has not been explored as a counter electrode materials for dye-sensitized solar cells (DSSCs) due to its lack of electrical conductivity. However, herein, it is reported that MgO insulator with conductive poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) exhibited excellent performance as a counter electrode for DSSCs, leading to a high power conversion efficiency of 7.45%. Furthermore, it was revealed that the interface between MgO and PEDOT:PSS plays an important electro-catalytic role in the MgO/PEDOT composite counter electrodes.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI, 49931-1295, USA

    Hui Wang & Yunhang Hu

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  1. Hui Wang
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  2. Yunhang Hu
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Correspondence to Yunhang Hu.

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Wang, H., Hu, Y. Electro-catalytic role of insulator/conductor interface in MgO/PEDOT composite electrodes for dye-sensitized solar cells. Sci. China Chem. 58, 101–106 (2015). https://doi.org/10.1007/s11426-014-5210-z

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  • DOI: https://doi.org/10.1007/s11426-014-5210-z

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