Solid-State Dye-Sensitized Solar Cells with Conjugated Polymers as Hole-Transporting Materials

Authors

  • Wei Zhang,

    1. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Singapore
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  • Yueming Cheng,

    1. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Singapore
    2. National University of Singapore, NanoCore, Singapore 117576, Singapore
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  • Xiong Yin,

    1. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Singapore
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  • Bin Liu

    Corresponding author
    1. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Singapore
    • Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Singapore.
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Abstract

DSCs are a promising alternative to conventional silicon-based solar cells owing to their low cost and relatively high efficiency. However, the utilization of a liquid electrolyte containing the iodine/iodide redox couple in traditional DSCs brings practical problems for their long-term application, which leads to rapid development of SDSCs based on inorganic p-type semiconductors or organic HTMs. In this review, we summarize the current research on SDSCs using conjugated polymer as HTM. Special attention is paid to understand the effects of polymer HTM structure and deposition process on SDSC performance. The limiting factors for SDSC energy conversion efficiency are discussed and strategies to improve device performance are proposed.

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