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

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.