Light: Science & Applications (Jul 2022)

Photoinduced large polaron transport and dynamics in organic–inorganic hybrid lead halide perovskite with terahertz probes

  • Zuanming Jin,
  • Yan Peng,
  • Yuqing Fang,
  • Zhijiang Ye,
  • Zhiyuan Fan,
  • Zhilin Liu,
  • Xichang Bao,
  • Heng Gao,
  • Wei Ren,
  • Jing Wu,
  • Guohong Ma,
  • Qianli Chen,
  • Chao Zhang,
  • Alexey V. Balakin,
  • Alexander P. Shkurinov,
  • Yiming Zhu,
  • Songlin Zhuang

DOI
https://doi.org/10.1038/s41377-022-00872-y
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 12

Abstract

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Ultrafast terahertz conductivity spectroscopy reveals the formation of large polarons in CH3NH3PbI3, which protects the charge carriers from scattering with polycrystalline grain boundaries or defects and explains the long lifetime.