Two-dimensional perovskite compositions and devices therefrom

US11964994B2 · kind B2 · utility

Assignees

• Alliance for Sustainable Energy, LLC · US
• Duke University · US

Inventors

• Matthew C. Beard · Arvada, US
• Haipeng LU · Lakewood, US
• Annalise Elizabeth MAUGHAN · Arvada, US
• Joseph Jonathan Berry · Boulder, US
• Zeev Valentine Vardeny · Holladay, US
• Chuanxiao Xiao · Lakewood, US
• Volker Wolfgang Blum · Durham, US
• David B. Mitzi · Campion Road, US

Key dates

• Filing date: Dec 2, 2020
• Grant date: Apr 23, 2024
• Expiry date: Sep 24, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K10/50
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present disclosure relates to a composition that includes a perovskite of A2BX4, where A includes an R-form of a chiral molecule of at least one of and/or an S-form of the chiral molecule, B includes a cation, X includes an anion, R1 includes a first carbon chain having between 2 and 5 carbon atoms, R2 includes at least one of a hydrogen atom, a halogen atom, a carboxylic acid group, an alkoxy group, and/or a second carbon chain, and R3 includes a third carbon chain.