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 |
|---|---|
| Patent number | 10,700,229 B2 |
| Filing date | 30/06/20 |
| State | Published - 2020 |
NLR Publication Number
- NREL/PT-5900-77391
Keywords
- ammonium metal halide film
- multi-layered perovskites
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