ORGANIC COMPOUND, SEMICONDUCTOR FILM ELECTRODE EMPLOYING THE ORGANIC COMPOUND, PHOTOELECTRIC CONVERSION ELEMENT EMPLOYING THE ORGANIC COMPOUND, AND PHOTOELECTROCHEMICAL SOLAR CELL EMPLOYING THE ORGANIC COMPOUND
申请人:Koumura Nagatoshi
公开号:US20100174095A1
公开(公告)日:2010-07-08
The present invention provides: an organic compound increasing an open circuit voltage, and showing high photoelectric conversion efficiency; a semiconductor film electrode employing the organic compound as a dye; a photoelectric conversion element employing the semiconductor film electrode; and a photoelectrochemical solar cell employing the photoelectric conversion element. The organic compound is represented by the following general formula:
wherein A is a carbazole ring; L
1
is an electron transfer linking group having at least one heterocyclic ring selected from the group consisting of a thiophene ring, a furan ring, a pyrrole ring, and a condensed heterocyclic ring formed from any combinations of these rings; R is a substituent group bound to at least one electron transfer linking group selected from the group consisting of an alkyl group, an alkoxy group, and an aryl group; X is at least one electron withdrawing group selected from the group consisting of a cyano group, a carboxylic acid group, an ester group, an amide group, a trifluoromethyl group, a pentafluoroethyl group, a sulfonate group, and a trifluoromethanesulfonate group; M is a hydrogen atom or a salt-forming cation; and n is an integer of 1 to 12.
本发明提供了一种有机化合物,可以增加开路电压并显示高光电转换效率;一种将该有机化合物作为染料的半导体薄膜电极;一种采用该半导体薄膜电极的光电转换元件;以及一种采用光电转换元件的光电化学太阳能电池。该有机化合物由下列通用式表示:其中A为咔唑环;L1为至少含有一种来自噻吩环、呋喃环、吡咯环和由这些环的任意组合形成的缩合杂环的杂环环的电子转移连接基团;R为与至少一种来自烷基、烷氧基和芳基的电子转移连接基团结合的取代基团;X为至少一种来自氰基、羧基、酯基、酰胺基、三氟甲基基团、五氟乙基基团、磺酸基团和三氟甲磺酸基团的电子提取基团;M为氢原子或形成盐的阳离子;n为1至12的整数。