Oriented perovskite crystals and methods of making the same

Patent · Tue Apr 07 00:00:00 EDT 2020

OSTI ID:1650733

Zhu, Kai; Kim, Donghoe; Berry, Joseph Jonathan; Park, Jae-Hong

An aspect of the present disclosure is a method that includes combining a first organic salt (A1X1), a first metal salt (M1(X2)2), a second organic salt (A2X3), a second metal salt (M2Cl2), and a solvent to form a primary solution, where A1X1 and M1(X2)2 are present in the primary solution at a first ratio between about 0.5 to 1.0 and about 1.5 to 1.0, and A2X3 to M2Cl2 are present in the primary solution at a second ratio between about 2.0 to 1.0 and about 4.0 to 1.0. In some embodiments of the present disclosure, at least one of A1 or A2 may include at least one of an alkyl ammonium, an alkyl diamine, cesium, and/or rubidium.

• Research Organization: National Renewable Energy Laboratory (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC36-08GO28308
• Assignee: Alliance for Sustainable Energy, LLC (Golden, CO)
• Patent Number(s): 10,611,783
• Application Number: 15/784,251
• OSTI ID: 1650733
• Resource Relation: Patent File Date: 10/16/2017
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
36 MATERIALS SCIENCE
14 SOLAR ENERGY