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. 03, 2026
Filed:
Jun. 30, 2022
Satoshi Yamamoto, Shizuoka, JP;
Yuuji Tanaka, Shizuoka, JP;
Satoshi Yamamoto, Shizuoka, JP;
Yuuji Tanaka, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photoelectric conversion element includes a first electrode, a photoelectric conversion layer, where the photoelectric conversion layer has a perovskite structure, a hole-transporting layer, a second electrode, and a film including a compound represented by General Formula (2) disposed between the photoelectric conversion layer and the hole-transporting layer. In General Formula (2), A is a cationic amino compound represented by General Formula (6) or General Formula (7), a cationic pyridinium compound, a cationic imidazolinium compound, or a cationic pyrrolidinium compound. In General Formula (6), Ris —H, —F, —CF, or —OCH, n is 1 or 2, and X is Br or I. In General Formula (7), n is an integer of 5 or greater but 12 or less, and X is Br or I.