NOVELTY - A photoelectric conversion element comprises laminated structure which has photoreceptor layer containing semiconductor fine particle adsorbed in dyes, charge transfer body and counter electrode on electroconductive support body.    USE - Photoelectric conversion element for photoelectrochemical cell (claimed).    ADVANTAGE - The photoelectric conversion efficiency is high. The durability is excellent.    DETAILED DESCRIPTION - A photoelectric conversion element comprises laminated structure which has photoreceptor layer containing semiconductor fine particle adsorbed in dye with structure of formula (D)n-Acc (1) and dye with structure of formula Mz(LL1)m1(LL2)m2(X)m3.CI (2), charge transfer body and counter electrode on electroconductive support body.    D=dye residue;    n= greater than or equal to 1;    Acc=methine group or electron withdrawing group which has heterocyclic acidic nucleus;    Mz=metal atom;    LL1=bidentate ligand of formula (3) or tridentate ligand;    LL2=bidentate ligand or tridentate ligand of formula (4);    X=monodentate or bidentate ligand;    m1,m2,a1,a2,b1,b2=0-3 (preferably greater than or equal to 1);    m3=0-2;    CI=counter-ion required to neutralize electric charge;    R101,R102=acidic group;    R103,R104=substituent;    R105,R106=aryl or heterocyclic group;    d1,d2=0-5;    L1,L2=ethenylene and/or ethynylene which may be substituted;    d3,c=0 or 1; and    Za-Zc=nonmetallic atom group which may have an acidic group and can form 5- or 6-membered ring.    Provided that Acc has greater than or equal to 2 acidic groups through direct bonding or substituent. That LL1 is same or different when m1 is greater than or equal to 2. That LL2 or X is same or different when m2 or m3 is 2. That R105 and R106 may be coupled with pyridine ring through L1 and/or L2. That R101, R102, R103 and R104 are same or different when a1, a2, b1 and b2 are greater than or equal to 2. That R103 or R 104 may be connected to form a ring. That R103 and R104 may connect to form a ring when both b1 and b2 are greater than or equal to 1. An INDEPENDENT CLAIM is included for a photoelectric conversion element dye solution comprising dye with structure (1) and dye with structure (2) which are dissolved in organic solvent.