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:
Dec. 07, 2021
Filed:
Jul. 03, 2017
Ecole Polytechnique Federale DE Lausanne (Epfl), Lausanne, CH;
Panasonic Corporation, Osaka, JP;
Michael Saliba, Fribourg, CH;
Taisuke Matsui, Osaka, JP;
Konrad Domanski, Winterthur, CH;
Jiyoun Seo, Renens, CH;
Shaik Mohammed Zakeeruddin, Bussigny-Lausanne, CH;
Wolfgang Richard Tress, Lausanne, CH;
Michael Graetzel, St-Sulpice, CH;
Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, CH;
Panasonic Corporation, Osaka, JP;
Abstract
A perovskite material including an organic-inorganic perovskite structure of formula (I), AMX(I), n being the number of cation A and an integer >4, A being a monovalent cation selected from inorganic cations Ai and/or from organic cations Ao, M being a divalent metal cation or a combination thereof, X being a halide and/or pseudohalide anion or a combination thereof, wherein at least one cation A is selected from organic cations Ao, the inorganic cations Ai are independently selected from Li, Na, K, Rb, Cs, or Tland the organic cations Ao are independently selected from ammonium (NH), methyl ammonium (MA) (CHNH), ethyl ammonium (CHCHNH), formamidinium (FA) (CH(NH)), methylformamidinium (CHC(NH)), guanidium (C((NH))), tetramethylammonium ((CH)N), dimethylammonium ((CH)NH) or trimethylammonium ((CH)NH).