Nano-Micro Letters (Apr 2024)

Structurally Flexible 2D Spacer for Suppressing the Electron–Phonon Coupling Induced Non-Radiative Decay in Perovskite Solar Cells

  • Ruikun Cao,
  • Kexuan Sun,
  • Chang Liu,
  • Yuhong Mao,
  • Wei Guo,
  • Ping Ouyang,
  • Yuanyuan Meng,
  • Ruijia Tian,
  • Lisha Xie,
  • Xujie Lü,
  • Ziyi Ge

DOI
https://doi.org/10.1007/s40820-024-01401-9
Journal volume & issue
Vol. 16, no. 1
pp. 1 – 16

Abstract

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Highlights The soft 2D material reduces the coupling strength between carriers and longitudinal optical phonons, releasing the mechanical stress of lattice vibration. The power conversion efficiency of rigid devices and flexible devices reaches 25.5% and 23.4%, respectively.

Keywords