Abstract
Methods are described that include contacting an alkyl ammonium metal halide film with an alkyl ammonium halide, where the alkyl ammonium metal halide film includes a first halogen and a metal, the alkyl ammonium halide includes a second halogen, such that the contacting forms an alkyl ammonium metal mixed-halide film that interfaces with the alkyl ammonium metal halide film, where the alkyl ammonium metal mixed-halide film includes the first halogen, the second halogen, and the metal.
Original language | American English |
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Patent number | 11,616,158 B2 |
Filing date | 28/03/23 |
State | Published - 2023 |
NREL Publication Number
- NREL/PT-5900-85806
Keywords
- alkyl ammonium metal halide film
- alkyl ammonium metal mixed halide film
- liquid phase
- vapor phase