Nature Communications (Oct 2022)

Direct observation of photoinduced carrier blocking in mixed-dimensional 2D/3D perovskites and the origin

  • Dejian Yu,
  • Fei Cao,
  • Jinfeng Liao,
  • Bingzhe Wang,
  • Chenliang Su,
  • Guichuan Xing

DOI
https://doi.org/10.1038/s41467-022-33752-5
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 11

Abstract

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Mixed dimensional 2D/3D halide perovskite solar cells practically deliver poorer efficiency, and the 2D fragments have been considered responsible. Here, the authors unveil a photoinduced carrier blocking effect at the 2D/3D perovskite interface that could truly jeopardize device parameters.