Dimethylammonium-containing perovskite devices

Patent · Tue Apr 26 00:00:00 EDT 2022

OSTI ID:1892866

Leijtens, Tomas; Moore, David Todd; Eperon, Giles Edward

The present disclosure relates to a perovskite that includes ABX3, where A is an organic cation, B is a second cation, X is an anion, and the perovskite has a film density (ρ) of less than 4.37 g/cm3. In some embodiments of the present disclosure, the film density may be in the range, 4.1 g/cm3≤ρ≤4.37 g/cm3. In some embodiments of the present disclosure, the organic cation may include at least one of dimethylammonium (DMA), guanidinium (GA), and/or acetamidinium (Ac). In some embodiments of the present disclosure, A may further include cesium.

• Research Organization: National Renewable Energy Laboratory (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC36-08GO28308
• Assignee: Alliance for Sustainable Energy, LLC (Golden, CO)
• Patent Number(s): 11,312,738
• Application Number: 16/677,857
• OSTI ID: 1892866
• Resource Relation: Patent File Date: 11/08/2019
• Country of Publication: United States
• Language: English