Dye for photoelectric conversion device and photoelectric conversion device

A dye for a photoelectric conversion device, wherein the dye has a cyanine structure represented by Formula (1):

• where:
• R1 and R2 are independently:
• a hydroxyl group, a nitro group, a cyano group, or a halogen atom;
• or
• an alkyl group, an alkoxy group, an aryl group, or an arylalkyl group;
• a and b are independently an integer of 0 to 4;
• R3, R4, R5, and R6 are independently:
• a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, or a halogen atom;
• or
• an alkyl group, an alkoxy group, an aryl group, or an arylalkyl group;
• at least one of R3 and R4 and at least one of R5 and R6 may be respectively detached to form a double bond, or may be respectively linked with each other to form one or more ring structures;
• X1 is a group represented by —C(R7)(R8)-, a group represented by —N(R9)-, a sulfur atom, an oxygen atom, a selenium atom, or a tellurium atom;
• X2 is a group represented by —C(R10)(R11)-, a group represented by —N(R12)-, a sulfur atom, an oxygen atom, a selenium atom, or a tellurium atom;
• R7, R8, R10, and R11 are independently:
• a hydrogen atom or a group represented by Formula (2);
• or
• an alkyl group, an alkoxy group, an aryl group, or an arylalkyl group, except for a group corresponding to the group represented by Formula (2);
• R9 and R12 are independently:
• a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, or a halogen atom;
• or
• an alkyl group, an alkoxy group, an aryl group, or an arylalkyl group;
• Y1 and Y2 are independently:
• an alkyl group, an alkoxy group, an aryl group, an arylalkyl group, or an anchor group represented by —R30-Z1e, where:
• R30 is a saturated hydrocarbon group with (e+1) valency;
• and
• Z1 is a carboxylic acid group, a sulfonic acid group, a phosphoric group, a carboxylic acid ion group, a sulfonic acid ion group, or a phosphoric ion group;
• at least one of Y1 and Y2 is an anchor group;
• Q is a linkage group selected from the group consisting of linkage groups represented by Formulas (7-1) to (7-10):
• where R43 to R49 are independently a hydrogen atom, a hydroxyl group, a halogen atom, a cyano group, an aryl group having from 6 to 30 carbon atoms, a diphenyl amino group, an alkyl group having from 1 to 8 carbon atoms, or an alkoxyl group having from 1 to 8 carbon atoms;
• Anp- is an anion with p valency;
• p is 1 or 2;
• q is a coefficient to maintain neutral electric charge;
• Formula (2) has the following structure:
• where:
• the bond between L1 and T1 is a double bond or a triple bond;
• L1 represents a carbon atom;
• T1 represents a carbon atom, an oxygen atom, or a nitrogen atom;
• x, y, and z are independently 0 or 1, wherein x and y are 0 if T1 is an oxygen atom, and (y+z) is 0 or 1 if T1 is a nitrogen atom;
• R21, R22, and R23 are independently a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, a halogen atom, an alkyl group having 1 to 4 carbon atoms, or a halogenated alkyl group having 1 to 4 carbon atoms;
• R24 is a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, a halogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, or a halogenated alkoxy group having 1 to 4 carbon atoms;
• R21 and R24/R22 and R23 may be respectively linked with each other to form one or more ring structures;
• and
• n is an integer of 0 to 4.