Nature Communications (Jun 2020)

Sn(IV)-free tin perovskite films realized by in situ Sn(0) nanoparticle treatment of the precursor solution

  • Tomoya Nakamura,
  • Shinya Yakumaru,
  • Minh Anh Truong,
  • Kyusun Kim,
  • Jiewei Liu,
  • Shuaifeng Hu,
  • Kento Otsuka,
  • Ruito Hashimoto,
  • Richard Murdey,
  • Takahiro Sasamori,
  • Hyung Do Kim,
  • Hideo Ohkita,
  • Taketo Handa,
  • Yoshihiko Kanemitsu,
  • Atsushi Wakamiya

DOI
https://doi.org/10.1038/s41467-020-16726-3
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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Tin based perovskites are easily oxidized, which generates large density of defects and compromised the solar cell efficiency. Here Nakamura et al. add metallic tin nanoparticles in the precursor solution to suppress tin (IV) impurities and enable high efficiency tin based perovskite solar cells.