US 11,964,994 B2
Two-dimensional perovskite compositions and devices therefrom
Matthew C. Beard, Arvada, CO (US); Haipeng Lu, Lakewood, CO (US); Annalise Elizabeth Maughan, Arvada, CO (US); Joseph Jonathan Berry, Boulder, CO (US); Zeev Valentine Vardeny, Salt Lake City, UT (US); Chuanxiao Xiao, Lakewood, CO (US); Volker Wolfgang Blum, Durham, NC (US); and David Brian Mitzi, Hillsborough, NC (US)
Assigned to Alliance for Sustainable Energy, LLC, Golden, CO (US); and Duke University, Durham, NC (US)
Filed by Alliance for Sustainable Energy, LLC, Golden, CO (US); University of Utah Research Foundation, Salt Lake City, UT (US); and Duke University, Durham, NC (US)
Filed on Dec. 2, 2020, as Appl. No. 17/109,668.
Claims priority of provisional application 62/942,375, filed on Dec. 2, 2019.
Claims priority of provisional application 63/024,707, filed on May 14, 2020.
Prior Publication US 2021/0175439 A1, Jun. 10, 2021
Int. Cl. C07F 7/24 (2006.01); C07C 211/65 (2006.01); C07F 7/22 (2006.01); H10K 10/50 (2023.01); H10K 85/50 (2023.01)
CPC C07F 7/24 (2013.01) [C07C 211/65 (2013.01); C07F 7/2208 (2013.01); H10K 85/50 (2023.02); H10K 10/50 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A composition comprising:
a perovskite comprising A2BX4, wherein:
A comprises an R-form of a chiral molecule comprising at least one of

OG Complex Work Unit Chemistry
or an S-form of the chiral molecule,
B comprises a cation, and
X comprises an anion.