Methods for Producing Perovskite Halide Films

Kai Zhu (Inventor), Mengjin Yang (Inventor), Yuanyuan Zhou (Inventor), Nitin Padture (Inventor)

Research output: Patent


An aspect of the present disclosure is a method that includes exchanging at least a portion of a first cation of a perovskite solid with a second cation, where the exchanging is performed by exposing the perovskite solid to a precursor of the second cation, such that the precursor of the second cation oxidizes to form the second cation and the first cation reduces to form a precursor of the first cation.
Original languageAmerican English
Patent number11,387,420 B2
Filing date12/07/22
StatePublished - 2022

NREL Publication Number

  • NREL/PT-5900-83455


  • first cation
  • formamidinium lead triiodide
  • methylanimonium lead triiodide
  • perovskite solid
  • second cation


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