PHOTOELECTRIC CONVERSION ELEMENT, DYE-SENSITIZED SOLAR CELL, METAL COMPLEX DYE, DYE SOLUTION, DYE-ADSORBED ELECTRODE, AND METHOD FOR PRODUCING DYE-SENSITIZED SOLAR CELL

摘要

A photoelectric conversion element, having a photoconductor layercontaining semiconductor fine particles carrying a metal complex dye of Formula (I); a metal complex dye, a dye solution, a dye-adsorbed electrode, a dye-sensitized solar cell, and a method for producing the solar cell:;M(LA)(LD)(LX)mX·(CI)mY  Formula (I);M represents a metal ion, LA represents a ligand of Formula (AL), LD represents a bidentate or tridentate ligand, at least one of coordinating atoms being an anion; LX represents a monodentate ligand; CI represents a counter ion; mX is 0 or 1; mY is 0 to 3;;;Rings A to C represent a heterocycle; Z1 and Z2 represent a carbon or nitrogen atom; Anc1 to Anc3 represent an acidic group; X1 to X3 represent a single bond or linking group; R1 to R3 represent a substituent; l1, l3, l2, m1, m3, m2, n1, n2, and n3 each are an integer.

主权项

1. A photoelectric conversion element, comprising an electrically conductive support, a photoconductor layer containing an electrolyte, a charge transfer layer containing an electrolyte, and a counter electrode, wherein the photoconductor layer contains semiconductor fine particles carrying a metal complex dye represented by the following Formula (I):
M(LA)(LD)(LX)mX·(CI)mY  formula (I) wherein, in the formula, M represents a metal ion, LA represents a tridentate ligand represented by the following Formula (AL), LD represents a bidentate ligand or a tridentate ligand different from LA, in which, at least one of coordinating atoms which bond to the metal ion M in the bidentate ligand or the tridentate ligand is an anion, LX represents a monodentate ligand; mX is 1 when LD is the bidentate ligand and mX is 0 when LD is the tridentate ligand; CI represents a counter ion necessary for neutralizing an electric charge; mY represents an integer of 0 to 3; wherein, in the formula, the ring A, the ring B, and the ring C each independently represent a nitrogen-containing aromatic heterocyclic ring, herein, the bond between Z1 and the N atom and the bond between Z2 and the N atom may be a single bond or a double bond; Z1 and Z2 each independently represent a carbon atom or a nitrogen atom; Anc1 to Anc3 each independently represent an acidic group; l1 and l3 each independently are an integer of 1 to 4, and l2 is an integer of 1 to 5, respectively; X1 and X3 each independently represent a single bond or a linking group, X2 is a single bond or a linking group to link an atom of X2 bonded to at least one Anc2 with the nitrogen-containing aromatic heterocyclic ring of the ring B through π-conjugation, and when X2 is the linking group, X2 contains an ethenylene group, an ethynylene group, an arylene group or a heteroarylene group, in the linking chain thereof; each combinations of X1 and the ring A, X2 and the ring B, and X3 and the ring C may bond to each other to form a fused ring; m1 and m3 each independently represent an integer of 0 to 4, and m2 represents an integer of 1 to 3; when X2 is the single bond, m1 or m3 represents an integer of 1 to 4, and X1 or X3 represents the linking group; R1 to R3 each independently represent a substituent that does not have any of Anc1 to Anc3; n1 and n2 each independently represent an integer of 0 to 3, and n3 represents an integer of 0 to 4; when a plurality of R1s, a plurality of R2s, or a plurality of R3 exist, each of these may bond with each other to form a ring.