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:
Aug. 13, 2024
Filed:
Nov. 12, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Maki Hiraoka, Ibaraki, JP;
Toru Nakamura, Osaka, JP;
Ryuusuke Uchida, Hyogo, JP;
Akio Matsushita, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 30/80 (2023.01); H01G 9/20 (2006.01); H10K 71/15 (2023.01); H10K 71/40 (2023.01); H10K 85/30 (2023.01);
U.S. Cl.
CPC ...
H10K 30/80 (2023.02); H01G 9/2059 (2013.01); H10K 85/30 (2023.02); H10K 71/15 (2023.02); H10K 71/40 (2023.02);
Abstract
The present disclosure provides a photoelectric conversion film having a high light absorption ability and a long carrier life. A photoelectric conversion film of the present disclosure includes a perovskite compound including a monovalent formamidinium cation, a Pb cation and an iodide ion. The film thickness of the photoelectric conversion film is greater than or equal to 1 μm. In the photoelectric conversion film, the ratio of root mean square roughness Rq to the film thickness is less than or equal to 0.13.