Photoelectric conversion element, dye-sensitized solar cell, metal complex dye, dye solution, dye-adsorbed electrode and method of producing dye-sensitized solar cell

摘要

A photoelectric conversion element including a photoconductor layer, wherein the photoconductor layer contains 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(LD)(LA)·(CI)   Formula (I)wherein M represents a metal ion; LD represents a tridentate ligand of formulas (DL-1) to (DL-4); LA represents a specific tridentate ligand; and CI represents a counter ion:;Y1 and Y2 represent an oxygen, sulfur, nitrogen, or phosphorus atom; AD and BD represent a hydrocarbon or hetero ring; L represents a linking group of formulas (L-1) to (L-4); and Ra and Rb represent a substituent,;X represents a nitrogen or carbon atom; CD represents hetero ring; T represents —O—, —S—, —NRL2— or —PRL3; RL1 to RL3 represent a hydrogen atom or a substituent; and Alk represents an alkylene group.

主权项

1. A photoelectric conversion element, having 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(LD)(LA)·(CI)   Formula (I) wherein, in the formula, M represents a metal ion; LD represents a tridentate ligand represented by any one of the following formulas (DL-1) to (DL-4); LA represents a tridentate ligand represented by the following formula (AL); and CI represents a counter ion necessary to neutralize an electric charge: wherein, in the formulas, Y1 and Y2 each independently represent an oxygen atom, a sulfur atom, a substituted or unsubstituted nitrogen atom, or a substituted or unsubstituted phosphorus atom, each of which coordinates with the metal ion M; the ring AD and the ring BD each independently represents a hydrocarbon ring or a hetero ring; L represents a linking group represented by any one of the following formulas (L-1) to (L-4); and Ra and Rb each independently represent a substituent, wherein, in the formulas, RL1 represents a hydrogen atom or a substituent; X represents a nitrogen atom or a carbon atom; the ring CD represents a nitrogen-containing hetero ring containing X; the bond between X and the carbon atom bonded with X and N may be a single bond or a double bond; the ring CD may have a substituent; T represents —O—, —S—, —NRL2— or —PRL3—; RL2 and RL3 each independently represent a hydrogen atom or a substituent; and Alk represents an alkylene group, which may have a substituent, wherein, in the formulas, the ring A, the ring B, and the ring C each independently represent a nitrogen-containing aromatic hetero ring; wherein, the bond between Z1 and N and the bond between Z2 and N 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 —CO2H, —SO3H, —PO3H2, —OH, —SH or a salt thereof; X1, X2 and X3 each independently represent a single bond or a linking group; 11 to 13 each independently represent an integer of 1 to 5; m1 and m3 each independently represent an integer of 0 to 4; m2 represent an integer of 0 to 3; a total of m1 to m3 is 1 or more; R1 to R3 each independently represent a substituent other than Anc1 to Anc3; n1 and n3 each independently represent an integer of 0 to 2; and n2 represents 0 or 1.