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:
Jun. 23, 2020
Filed:
Jan. 02, 2018
Yuuji Tanaka, Shizuoka, JP;
Tsuyoshi Matsuyama, Kanagawa, JP;
Tamotsu Horiuchi, Shizuoka, JP;
Takahiro Ide, Shizuoka, JP;
Tokushige Kino, Shizuoka, JP;
Shigeyo Suzuki, Shizuoka, JP;
Naomichi Kanei, Shizuoka, JP;
Yuuji Tanaka, Shizuoka, JP;
Tsuyoshi Matsuyama, Kanagawa, JP;
Tamotsu Horiuchi, Shizuoka, JP;
Takahiro Ide, Shizuoka, JP;
Tokushige Kino, Shizuoka, JP;
Shigeyo Suzuki, Shizuoka, JP;
Naomichi Kanei, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of Rand Rindependently represents an alkyl group or an aromatic hydrocarbon group, or Rand Rshare bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where Xrepresents a counter cation.