NOVELTY - A photoelectric conversion element (10) has a laminated structure consisting of a photoreceptor layer (2), a charge transfer layer (3), and a counter electrode (4), on an electroconductive support (1). The charge transfer layer has semiconductor fine particles layer (22) in which pigment (21) is adsorbed. The pigment contains cyclic compound (I) and/or metal atom-containing compound (II).    USE - Photoelectric conversion element is used for photoelectrochemical cell (claimed) e.g. solar cell.    ADVANTAGE - The photoelectric conversion element provides photoelectrochemical cell having excellent durability and photoelectric conversion efficiency.    DETAILED DESCRIPTION - A photoelectric conversion element has a laminated structure consisting of a photoreceptor layer, a charge transfer layer, and a counter electrode, on an electroconductive support. The charge transfer layer has semiconductor fine particles layer in which pigment is adsorbed. The pigment contains cyclic compound of formula (I) and/or metal atom-containing compound of formula: M(LL1)m1(LL2)m2(X)m3.CI (II).    Q=tetravalent aromatic group;    X1,X2=sulfur atom, oxygen atom, or CR1R2;    R1,R2=H, or aliphatic group, aromatic group, or heterocyclyl coupled with carbon atom (all optionally substituted);    R,R'=R1,R2 excluding H;    P1,P2=pigment residue;    W1=counter-ion required to neutralize electric charge;    M=metal atom;    LL1=ligand of bidentate or tridentate of formula (III);    LL2=ligand of bidentate or tridentate of formula (IV);    X=monodentate or bidentate ligand having acyloxy, acylthio, thio acyloxy, thio acylthio, acylamino oxy, thiocarbamate, dithiocarbamate, thio carbonate, dithiol carbonate, trithiol carbonate, acyl, thiocyanate, isothiocyanate, cyanate, isocyanate, cyano, alkylthio, arylthio, alkoxy, or aryloxy, or monodentate or bidentate ligand consisting of halo, carbonyl, dialkyl ketone, 1,3-diketone, carbonamide, thio carbonamide, or thiourea;    m1,m2=0-3, at least one is 1 or more;    m3=0-2;    CI=counter-ion required to neutralize electric charge;    R9,R10=carboxy, sulfonic acid group, hydroxy, hydroxamic acid group, phosphoryl, phosphonyl, or their salt;    R11,R12=substituent;    or b1 of R11, b2 of R12=ring;    or R11+R12=ring, when b1 and b2 are 1 or more;    R13,R14=alkyl, aryl, or heterocyclyl;    d1,d2=0 or more;    L1,L2=conjugated chain consisting of optionally substituted ethenylene and/or ethynylene;    a1,a2,b1,b2=0-3;    n=0 or 1;    Za-Zc=nonmetallic group which can form 5- or 6-membered ring optionally having acidic group;and    c=0 or 1.    DESCRIPTION OF DRAWING(S) - The drawing shows the sectional view of photoelectric conversion element.    Electroconductive support (1)    Photoreceptor layer (2)    Charge transfer layer (3)    Counter electrode (4)    Photoelectric conversion element (10)    Pigment (21)    Semiconductor fine particles layer (22)    Photoelectrochemical cell (100)