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Reducing lead toxicity of perovskite solar cells with a built-in supramolecular complex

Author

Listed:
  • Meifang Yang

    (Sun Yat-sen University)

  • Tian Tian

    (Sun Yat-sen University)

  • Yuxuan Fang

    (Sun Yat-sen University)

  • Wen-Guang Li

    (Sun Yat-sen University)

  • Gengling Liu

    (Sun Yat-sen University)

  • Wenhuai Feng

    (Sun Yat-sen University)

  • Mingyi Xu

    (Technical University of Denmark)

  • Wu-Qiang Wu

    (Sun Yat-sen University)

Abstract

Perovskite solar cells (PSCs) as an emerging renewable energy technology are expected to play an important role in the transition to a sustainable future. However, lead toxicity of PSCs remains a major flaw hindering their large-scale implementation and compromising their sustainability, as lead is currently inevitable in making high-performance PSCs. Here we show that this can be addressed by embedding a cross-linking supramolecular complex composed of 2-hydroxypropyl β-cyclodextrin (HPβCD) and 1,2,3,4-butane tetracarboxylic acid (BTCA). The built-in HPβCD-BTCA complex can largely inhibit lead leakage from severely damaged PSCs, which retain 97% of the initial efficiency after 522 h dynamic water scouring, with only

Suggested Citation

  • Meifang Yang & Tian Tian & Yuxuan Fang & Wen-Guang Li & Gengling Liu & Wenhuai Feng & Mingyi Xu & Wu-Qiang Wu, 2023. "Reducing lead toxicity of perovskite solar cells with a built-in supramolecular complex," Nature Sustainability, Nature, vol. 6(11), pages 1455-1464, November.
    • Handle: RePEc:nat:natsus:v:6:y:2023:i:11:d:10.1038_s41893-023-01181-x
    DOI: 10.1038/s41893-023-01181-x
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