Nature Communications (Feb 2019)

Suppressed phase separation of mixed-halide perovskites confined in endotaxial matrices

  • Xi Wang,
  • Yichuan Ling,
  • Xiujun Lian,
  • Yan Xin,
  • Kamal B. Dhungana,
  • Fernando Perez-Orive,
  • Javon Knox,
  • Zhizhong Chen,
  • Yan Zhou,
  • Drake Beery,
  • Kenneth Hanson,
  • Jian Shi,
  • Shangchao Lin,
  • Hanwei Gao

DOI
https://doi.org/10.1038/s41467-019-08610-6
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 7

Abstract

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The bandgap of mixed-halide perovskites can be continuously tuned by changing the halide ratio, but the crystals have poor photo-stability. Here the authors show that photoinduced phase separation is suppressed when perovskite nanocrystals are embedded in a non-perovskite endotaxial matrix.