The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2022
Filed:
Nov. 08, 2019
Alliance for Sustainable Energy, Llc, Golden, CO (US);
Tomas Leijtens, Emerald Hills, CA (US);
David Todd Moore, Arvada, CO (US);
Giles Edward Eperon, Golden, CO (US);
Alliance for Sustainable Energy, LLC, Golden, CO (US);
Abstract
The present disclosure relates to a perovskite that includes ABX, 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/cm. In some embodiments of the present disclosure, the film density may be in the range, 4.1 g/cm≤ρ≤4.37 g/cm. 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.