Pb-free perovskite materials for short wave IR devices
US12349585B2 · kind B2 · utility
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Key dates
| Filing date | Nov 4, 2020 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | May 14, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2002/34
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure is directed to methods of making Pb-free perovskites for short-wave IR (SWIR) devices and to various Pb-free perovskite materials disclosed herein. The perovskites disclosed herein have improved chemical stability and long-term stability, while the production methods disclosed herein have improved safety and lower cost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.