Nature Communications (Aug 2017)

Rationalizing the light-induced phase separation of mixed halide organic–inorganic perovskites

  • Sergiu Draguta,
  • Onise Sharia,
  • Seog Joon Yoon,
  • Michael C. Brennan,
  • Yurii V. Morozov,
  • Joseph S. Manser,
  • Prashant V. Kamat,
  • William F. Schneider,
  • Masaru Kuno

DOI
https://doi.org/10.1038/s41467-017-00284-2
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Mixed halide hybrid perovskites possess tunable band gaps, however, under illumination they undergo phase separation. Using spectroscopic measurements and theoretical modelling, Draguta and Sharia et al. quantitatively rationalize the microscopic processes that occur during phase separation.