NOVELTY - An active layer (40) containing high molecular compound, is provided between pair of electrodes (32,34) to obtain organic photoelectric conversion element (10). The active layer is formed from liquid containing high molecular compound, primary solvent, and secondary solvent different from the primary solvent. The high molecular compound has cyclic structural unit (I).    USE - Manufacture of organic photoelectric conversion element for organic thin film solar cell.    ADVANTAGE - The organic photoelectric conversion element is efficiently manufactured with excellent photoelectric conversion efficiency.    DETAILED DESCRIPTION - An active layer (40) containing high molecular compound, is provided between pair of electrodes (32,34) to obtain organic photoelectric conversion element (10). The active layer is formed from liquid containing high molecular compound, primary solvent, and secondary solvent different from the primary solvent. The high molecular compound has cyclic structural unit of formula (I).    Ar1,Ar2=trivalent aromatic group;    Z=-O-, -S-, -C(=O)-, -CR1R2-, -S(=O)-, -SO2-, -Si(R3)(R4)-, -N(R5)-, -B(R6)-, -P(R7)-, -P(=O) or (R8)-;    R1-R8=H, halo, alkyl, alkoxy, alkylthio, aryl, aryloxy, arylthio, arylalkyl, aryl alkoxy, aryl alkylthio, acyl, acyloxy, amide, imide, imino, optionally substituted amino, substituted silyl, and substituted silyloxy, substituted silylthio, substituted silylamino, monovalent heterocyclyl, oxy heterocyclyl, thio heterocyclyl, aryl alkenyl, aryl alkynyl, carboxy, or cyano;and    n=1 or 2.    An INDEPENDENT CLAIM is included for liquid, which contains high molecular compound containing cyclic structural unit, primary solvent, and secondary solvent different from the primary solvent.    DESCRIPTION OF DRAWING(S) - The drawing shows the schematic view of manufacture of organic photoelectric conversion element.    Organic photoelectric conversion element (10)    Substrate (20)    Primary electrode (32)    Secondary electrode (34)    Active layer (40)