Narrow-Bandgap Perovskites Using Quasi-2D Cation Engineering

Kai Zhu (Inventor), Jinhui Tong (Inventor), Qi Jiang (Inventor)

Research output: Patent


The present disclosure relates to a composition that includes a perovskite phase having the stoichiometry ABX.sub.3 and a perovskite-like phase having the stoichiometry A'.sub.2A"B'.sub.2X', where A is a first cation, B is a second cation, X is a first anion, A' is a third cation, A" is a fourth cation, B' is a fifth cation, X' is a second anion, and A' is different than A".
Original languageAmerican English
Patent number11,950,435 B2
Filing date2/04/24
StatePublished - 2024

NREL Publication Number

  • NREL/PT-5900-89519


  • flouorophenethylammonium
  • low-angle diffraction peak
  • stoichiometry


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