METAL COMPLEX DYE, PHOTOELECTRIC CONVERSION ELEMENT, DYE-SENSITIZED SOLAR CELL, DYE SOLUTION, AND COMPOUND
申请人:Fujifilm Corporation
公开号:EP2793311A1
公开(公告)日:2014-10-22
A photoelectric conversion element, having:
an electrically-conductive support;
a photoconductor layer having a layer of semiconductor fine-particles that have adsorbed a dye;
a charge transfer layer containing an electrolyte; and
a counter electrode;
which are provided on one side of the electrically-conductive support in this order,
wherein the dye has at least one terdentate ligand having at least one acidic group; at least one ligand coordinating to a metal atom M has an sp2 carbon atom; a cyclic group binds to the sp2 carbon atom; in a circle position connecting through a carbon atom(s) from an atom of the cyclic group directly binding to the sp2 carbon atom, a substituent R is substituted at an atom of an α-position or β-position to the atom of the cyclic group directly binding to the sp2 carbon atom, with the substituent R being selected from a linear or branched alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an aryloxy group, an alkylthio group, a cycloalkylthio group, an arylthio group, an amino group, an alkylamino group, a cycloalkylamino group, an arylamino group, a heterocyclic amino group, a silyl group, or a silyloxy group; and when the atom of the α-position or β-position to which the substituent R binds is defined as G1 and an atom of the substituent R which directly binds to the atom G1 is defined as G2, an angle θ (∠MG1G2) formed by the metal atom M, the atom G1 and the atom G2, which is centered on the atom G1, is 150° or less, a dye-sensitized solar cell, a metal complex dye, a dye solution containing the dye and a compound useful as a ligand of the dye.
一种光电转换元件,具有
导电支架
光电导体层,该层具有一层吸附了染料的半导体微粒;
含有电解质的电荷转移层;以及
一个对电极;
它们依次设置在导电支架的一侧、
其中,染料具有至少一个三齿配体,该配体具有至少一个酸性基团;至少一个配体与具有 sp2 碳原子的金属原子 M 配位;一个环状基团与 sp2 碳原子结合;在通过碳原子与直接结合到 sp2 碳原子的环状基团的原子相连的圆周位置上,在与直接结合到 sp2 碳原子的环状基团的原子处于 α 位或 β 位的原子上取代取代基 R,取代基 R 选自直链或支链烷基、环烷基、烷氧基、环烷氧基、芳氧基、烷硫基、环烷硫基、芳硫基、氨基、烷基氨基、环烷基氨基、芳基氨基、杂环氨基、硅烷基或硅烷氧基;当取代基 R 与之结合的 α 位或 β 位原子被定义为 G1,而取代基 R 直接与原子 G1 结合的原子被定义为 G2 时,金属原子 M 与原子 G1 形成的角度θ (∠MG1G2)、以原子 G1 为中心,由金属原子 M、原子 G1 和原子 G2 形成的角度θ (∠MG1G2)为 150°或更小。