Multi-layered perovskites, devices, and methods of making the same
US11616158B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | May 11, 2020 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | May 11, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.