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:
Mar. 17, 2020
Filed:
Sep. 02, 2015
Applicant:
Oxford Photovoltaics Limited, Oxford, Oxfordshire, GB;
Inventors:
Nicola Beaumont, Oxford, GB;
Brett Akira Kamino, Oxford, GB;
Benjamin Langley, Oxford, GB;
Edward James William Crossland, Oxford, GB;
Assignee:
OXFORD PHOTOVOLTAICS LIMITED, Oxford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 29/54 (2006.01); H01G 9/20 (2006.01); H01L 51/42 (2006.01); C01G 21/00 (2006.01); H01L 51/00 (2006.01); C07C 251/30 (2006.01); H01L 31/032 (2006.01); H01L 31/0256 (2006.01);
U.S. Cl.
CPC ...
H01G 9/2009 (2013.01); C01G 21/006 (2013.01); C07C 251/30 (2013.01); H01G 9/2031 (2013.01); H01L 31/032 (2013.01); H01L 51/0032 (2013.01); H01L 51/0077 (2013.01); H01L 51/4226 (2013.01); C01P 2002/34 (2013.01); C01P 2002/72 (2013.01); C01P 2006/90 (2013.01); H01L 2031/0344 (2013.01); Y02E 10/549 (2013.01); Y02P 70/521 (2015.11);
Abstract
A formulation for use in the preferential formation of thin films of a perovskite material AMX 3 with a certain required crystalline structure, wherein said formulation comprises two or more compounds which between them comprise one or more first organic cations A; one or more metalcations M; one or more second cations A'; one or more first anions X and one or more second anions X′.