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Methods for producing single crystal mixed halide perovskites

United States Patent

9,701,696
July 11, 2017
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Methods for Producing Single Crystal Mixed Halide Perovskites
An aspect of the present invention is a method that includes contacting a metal halide and a first alkylammonium halide in a solvent to form a solution and maintaining the solution at a first temperature, resulting in the formation of at least one alkylammonium halide perovskite crystal, where the metal halide includes a first halogen and a metal, the first alkylammonium halide includes the first halogen, the at least one alkylammonium halide perovskite crystal includes the metal and the first halogen, and the first temperature is above about 21.degree. C.
Zhu; Kai (Littleton, CO), Zhao; Yixin (Shanghai, CN)
Alliance for Sustainable Energy, LLC (Golden, CO)
15/ 055,712
20160251383
February 29, 2016
CONTRACTUAL ORIGIN The United States Government has rights in this disclosure under Contract No. DE-AC36-08G028308 between the United States Department of Energy and the Alliance for Sustainable Energy, LLC, the Manager and Operator of the National Renewable Energy Laboratory.