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.

Date of Patent:
Apr. 12, 2022

Filed:

Feb. 05, 2020
Applicant:

Alliance for Sustainable Energy, Llc, Golden, CO (US);

Inventors:

Kai Zhu, Littleton, CO (US);

Fei Zhang, Lakewood, CO (US);

Joseph Jonathan Berry, Boulder, CO (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/42 (2006.01); H01G 9/20 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0003 (2013.01); H01G 9/2059 (2013.01); H01L 51/0002 (2013.01); H01L 51/0026 (2013.01); H01L 51/4246 (2013.01); C01P 2002/34 (2013.01); H01L 51/42 (2013.01); Y02E 10/549 (2013.01);
Abstract

The present disclosure relates to a method that includes applying a first perovskite precursor solution to a substrate to form a first liquid film of the first perovskite precursor solution on the substrate; from the first liquid film, forming a first intermediate solid perovskite layer on the substrate; repeating at least once, both the applying and the forming, resulting in the creation of at least one additional intermediate solid perovskite layer; and treating a last intermediate solid perovskite layer, resulting from the at least one additional applying and the at least one additional forming, to create a final solid perovskite layer.


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