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Diffusion engineering of ions and charge carriers for stable efficient perovskite solar cells

Author

Listed:
  • Enbing Bi

    (State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University
    Photovoltaic Materials Unit, National Institute for Materials Science)

  • Han Chen

    (State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University)

  • Fengxian Xie

    (Photovoltaic Materials Unit, National Institute for Materials Science)

  • Yongzhen Wu

    (Photovoltaic Materials Unit, National Institute for Materials Science)

  • Wei Chen

    (Photovoltaic Materials Unit, National Institute for Materials Science)

  • Yanjie Su

    (Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, School of Electronics, Information and Electrical Engineering, Shanghai Jiao Tong University)

  • Ashraful Islam

    (Photovoltaic Materials Unit, National Institute for Materials Science)

  • Michael Grätzel

    (Laboratory of Photonics and Interfaces (LPI), Station 6, Institute of Chemical Science and Engineering, Faculty of Basic Science, Ecole Polytechnique Federale de Lausanne)

  • Xudong Yang

    (State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University)

  • Liyuan Han

    (State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University
    Photovoltaic Materials Unit, National Institute for Materials Science)

Abstract

Long-term stability is crucial for the future application of perovskite solar cells, a promising low-cost photovoltaic technology that has rapidly advanced in the recent years. Here, we designed a nanostructured carbon layer to suppress the diffusion of ions/molecules within perovskite solar cells, an important degradation process in the device. Furthermore, this nanocarbon layer benefited the diffusion of electron charge carriers to enable a high-energy conversion efficiency. Finally, the efficiency on a perovskite solar cell with an aperture area of 1.02 cm2, after a thermal aging test at 85 °C for over 500 h, or light soaking for 1,000 h, was stable of over 15% during the entire test. The present diffusion engineering of ions/molecules and photo generated charges paves a way to realizing long-term stable and highly efficient perovskite solar cells.

Suggested Citation

  • Enbing Bi & Han Chen & Fengxian Xie & Yongzhen Wu & Wei Chen & Yanjie Su & Ashraful Islam & Michael Grätzel & Xudong Yang & Liyuan Han, 2017. "Diffusion engineering of ions and charge carriers for stable efficient perovskite solar cells," Nature Communications, Nature, vol. 8(1), pages 1-7, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15330
    DOI: 10.1038/ncomms15330
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    Cited by:

    1. Xinchen Dai & Pramod Koshy & Charles Christopher Sorrell & Jongchul Lim & Jae Sung Yun, 2020. "Focussed Review of Utilization of Graphene-Based Materials in Electron Transport Layer in Halide Perovskite Solar Cells: Materials-Based Issues," Energies, MDPI, vol. 13(23), pages 1-24, December.
    2. Jin Wen & Yicheng Zhao & Pu Wu & Yuxuan Liu & Xuntian Zheng & Renxing Lin & Sushu Wan & Ke Li & Haowen Luo & Yuxi Tian & Ludong Li & Hairen Tan, 2023. "Heterojunction formed via 3D-to-2D perovskite conversion for photostable wide-bandgap perovskite solar cells," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    3. Haitao Zhou & Kai Cai & Shiqi Yu & Zhenhan Wang & Zhuang Xiong & Zema Chu & Xinbo Chu & Qi Jiang & Jingbi You, 2024. "Efficient and stable perovskite mini-module via high-quality homogeneous perovskite crystallization and improved interconnect," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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