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:
May. 08, 2018
Filed:
Apr. 24, 2015
Northwestern University, Evanston, IL (US);
Mercouri G. Kanatzidis, Wilmette, IL (US);
Robert P. H. Chang, Glenview, IL (US);
Konstantinos Stoumpos, Chicago, IL (US);
Byunghong Lee, Evanston, IL (US);
Northwestern University, Evanston, IL (US);
Abstract
Solar cells are provided which comprise an electron transporting layer and a light sensitizing layer of perovskite disposed over the surface of the electron transporting layer. The perovskite may have a formula selected from the group consisting of AMX, ZMXor YMX, wherein A is an alkali metal, M is a metal or a metalloid, X is a halide, Z is selected from the group consisting of a primary ammonium, an iminium, a secondary ammonium, a tertiary ammonium, and a quaternary ammonium, and Y has formula M(L), wherein Mis a transition metal in the 2+ oxidation state L is an N—N neutral chelating ligand. Methods of making the solar cells are also provided, including methods based on electrospray deposition.