申请人:NISHIMURA Kazukuni
公开号:US20080296564A1
公开(公告)日:2008-12-04
A photoelectric conversion element having a pair of electrodes, and a semiconductor layer comprising a semiconductor carrying a dye and an electrolyte layer is disclosed. The dye is represented by Formulas 1 or 2;
in Formula 1, Ar
1
and Ar
2
are each an arylene or heterocyclic group, or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar
3
is an aryl or heterocyclic group or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar
1
, Ar
2
and Ar
3
may form a ring by bonding with each other, X
1
and X
2
are each a straight chain residue having an acidic group which may have a mono-valent substituent, and one to eight saturated or unsaturated aliphatic hydrocarbon group having 5 to 30 carbon atoms are contained among Ar
1
, Ar
2
and Ar
3
;
in the formula, Ar
11
, Ar
12
, Ar
13
, Ar
14
and Ar
15
are each an arylene or heterocyclic group, or a composite group of an arylene group and a heterocyclic group, each of which may have a substituent, Ar
11
, Ar
12
, Ar
13
, Ar
14
and Ar
15
may form a ring by bonding with together, at least two of X
11
, X
12
, X
13
and X
14
are each an alkyl or alkenyl group having an acidic group which may have a mono-valent substituent and the remainders are each a hydrogen atom, and one to eight saturated or unsaturated aliphatic hydrocarbon group having 5 to 30 carbon atoms are contained among Ar
11
, Ar
12
, Ar
13
, Ar
14
and Ar
15
.
本发明公开了一种具有一对电极和半导体层的光电转换元件,所述半导体层包括携带
染料和电解质层的半导体。所述
染料由式1或2表示;在式1中,Ar1和Ar2分别为芳基或杂环基,或芳基基团和杂环基团的复合基团,每个基团都可以有取代基,Ar3为芳基或杂环基或芳基基团和杂环基团的复合基团,每个基团都可以有取代基,Ar1、Ar2和Ar3可以通过键合形成环,X1和X2分别为具有酸性基团的直链残基,可以有一价取代基,其中Ar1、Ar2和Ar3中包含有5到30个碳原子的饱和或不饱和脂肪族碳氢基团;在式中,Ar11、Ar12、Ar13、Ar14和Ar15分别为芳基或杂环基,或芳基基团和杂环基团的复合基团,每个基团都可以有取代基,Ar11、Ar12、Ar13、Ar14和Ar15可以通过键合在一起形成环,X11、X12、X13和X14中至少有两个是具有酸性基团的烷基或烯基基团,可以有一价取代基,其余的是氢原子,其中Ar11、Ar12、Ar13、Ar14和Ar15中包含有5到30个碳原子的饱和或不饱和脂肪族碳氢基团。