A Solution-Processed Hole Extraction Layer Made from Ultrathin MoS2 Nanosheets for Efficient Organic Solar Cells

Authors

  • Xing Gu,

    1. Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, China
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  • Wei Cui,

    1. Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, China
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  • Hai Li,

    1. School of Materials and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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  • Zhongwei Wu,

    1. Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, China
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  • Zhiyuan Zeng,

    1. School of Materials and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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  • Shuit-Tong Lee,

    1. Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, China
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  • Hua Zhang,

    1. School of Materials and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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  • Baoquan Sun

    Corresponding author
    1. Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, China
    • Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, China.

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Abstract

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Room-temperature solution-processed ultrathin 2D MoS2 nanosheets are integrated into organic solar cells as an efficient hole extraction layer. An enhanced power conversion efficiency of 8.11% is achieved, which is superior to that of traditional vacuum-evaporated molybdenum oxide.

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