Organic compound, near infrared absorbing dye, photoelectric conversion element, light sensor thereof, and imaging element
申请人:NIPPON KAYAKU KABUSHIKI KAISHA
公开号:US11333964B2
公开(公告)日:2022-05-17
An organic compound represented by general formula (1) is a novel organic compound having an absorption band in the near infrared region, and is useful for infrared absorbing dyes, optical films, and organic electronic devices such as photoelectric conversion elements, wherein R1 to R18 each independently represent a hydrogen atom, an aryl group, a heteroaryl group, an alkyl group, a cycloalkyl group, a halogen atom, a hydroxy group, an alkoxy group, a mercapto group, an alkylthio group, a nitro group, a substituted amino group, an amide group, an acyl group, a carboxyl group, an acyloxy group, a cyano group, a sulfo group, a sulfamoyl group, an alkylsulfamoyl group, a carbamoyl group, or an alkylcarbamoyl group; and X represents a substituted or unsubstituted methine group, a silylidyne group, a germylidyne group, a stannylidyne group, a nitrogen atom, a phosphorus atom, an arsenic atom, or an antimony atom.
化学式(1)所代表的有机化合物是一种新型有机化合物,在近红外区域具有吸收带,可用于红外吸收染料、光学薄膜和有机电子器件,如光电转换元件。其中,R1至R18各自独立地表示氢原子、芳基、杂芳基、烷基、环烷基、卤原子、羟基、烷氧基、巯基、烷硫基、硝基、取代氨基、酰胺基、酰基、羧基、酰氧基、氰基、磺基、磺酰胺基、烷基磺酰胺基、氨基甲酰基或烷基甲酰基;而X则表示取代或未取代的甲基烯基、硅烯基、锗烯基、锡烯基、氮原子、磷原子、砷原子或锑原子。