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:
Jan. 28, 2014
Filed:
Mar. 10, 2010
Shuzi Hayase, Kitakyushu, JP;
Yoshihiro Yamaguchi, Kitakyushu, JP;
Shyam Sudhir Pandey, Kitakyushu, JP;
Shuzi Hayase, Kitakyushu, JP;
Yoshihiro Yamaguchi, Kitakyushu, JP;
Shyam Sudhir Pandey, Kitakyushu, JP;
Nippon Steel & Sumikin Chemical Co., Ltd., Tokyo, JP;
National University Corporation Kyushu Institute of Technology, Fukuoka, JP;
Abstract
Provided are a squarylium dye having a carboxyindolenine structure and an N-alkyl substituent, and a photoelectric conversion element having high photoelectric conversion efficiency in a near-infrared region and a dye-sensitized solar cell, both of which are produced using the squarylium dye. The photoelectric conversion element or dye-sensitized solar cell uses a compound represented by the formula (1) as the squarylium dye. In the formula (1), Rand Rrepresent a substituted or unsubstituted C5 to C30 alkyl group; X represents C(CH); and A and B represent a carboxy group.