NOVELTY - A photoelectric conversion element (10) has a electrode (2), a photoelectric converting layer (6) containing a semiconductor (5) and a sensitizing dye (4) (III-V), a solid positive hole transport layer (7), and a electrode (8) on a substrate (1). The solid positive hole transport layer comprises polymer obtained by polymerizing thiophene compound (I) or amine compound (II).    USE - Photoelectric conversion element is used for solar cell (claimed).    ADVANTAGE - The photoelectric conversion element has excellent photoelectric conversion efficiency and durability.    DETAILED DESCRIPTION - A photoelectric conversion element has a electrode (2), a photoelectric converting layer containing a semiconductor and a sensitizing dye of formula (III-V), a solid positive hole transport layer, and a electrode (8) on a substrate. The solid positive hole transport layer comprises polymer obtained by polymerizing thiophene compound of formula (I) or amine compound of formula (II).    Y1,Y2=H, linear or branched 1-24C alkyl, linear or branched 2-24C alkenyl, 6-24C aryl, -OR68, -SR69, -SeR70, -TeR71 or hetero aromatic ring;    R68-R71=H, linear or branched 1-24C alkyl, 6-24C aryl or -R72-(R73O)q-R74;    R72=1-8C alkylene;    R73=2-4C alkylene;    q=1-5;    R75-R77=-NR78R79, tris(trialkylsilyloxy)silyloxy, optionally substituted alkyl, alkenyl, alkynyl, aryl, alkoxy or heteroaryl;    R78,R79=optionally substituted alkyl or aryl;    a-c=0-5;    R1=optionally substituted aliphatic, optionally substituted aryl, heterocyclyl, acyl, imino or -C(R81)=N(R80) (i);    R80,R81,R4-R9,R15-R21,R11,R23,R25,R26=H or substituent;    R2,R3=H, optionally substituted alkyl, aryl or heterocyclyl;    or R2+R3=ring;    or R3+R4,R4+R5,R5+R6,R6+R7,R7+R8,R8+R9=ring;    R22=optionally substituted alkyl, alkenyl, aryl, heterocyclyl, acyl, imino or group (i);    R13,R14=H, optionally substituted alkyl, aryl or heterocyclyl;    or R13+R14=ring;    R10,R12=optionally substituted alkyl, aryl, heterocyclyl, acylamino, amino, -COOM1, alkoxycarbonyl, carbamoyl, alkoxy, aryloxy, alkylthio, arylthio, ureido or alkoxy carbonylamino;    M1=H or salt formation cation;    X1=O or =NR11;    R24=electron-attractive group;    R27,R29=H, -COOM1 or alkyl;    L1,L2=single bond or alkylene;    R28=optionally substituted alkyl;    X3-X8=O, S, Se;    p=0 or 1;    Ar=optionally substituted arylene or bivalent heterocyclyl;    l,m,n=0-4;    X2=O or =NR23;    or Y1+Y2,R75+R77,R13+R16,R14+R15=ring;and    at least one of R1 and R10, R12 and R22, and R27 and R29=-COOM1.    (i) When X1 is =NR11, R11 and R1 is optionally connected to form ring; (ii) When X2 is =NR23, R23 and R22 is optionally connected to form ring; and (iii) When R27 and R29 are alkyl, L1 or L2 is single bond.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of photoelectric conversion element.    Substrate (1)    Electrodes (2,8)    Sensitizing dye (4)    Semiconductor (5)    Photoelectric converting layer (6)    Positive hole transport layer (7)    Photoelectric conversion element (10)