NOVELTY - Photoelectric conversion material comprises a condensed carbocyclic ring polymer obtained by reaction of a polyphenylene prepared by polymerizing monomers of substituted 4,4'-(1,4-phenylene)bis(2,3,5-triphenylcyclopenta-2,4-dienone) compounds (I) and substituted aryl compounds (II). (I) exhibit a higher solubility in an organic solvent with the solubilizing group than without the solubilizing group.    USE - The photo conversion material is used: as an electron donor for donating an electron or an electron acceptor for accepting an electron; and in organic photovoltaic cell (all claimed).    ADVANTAGE - The material: utilizes polymer that has a high absorbance coefficient and actively generates an exciton, exhibits small energy level difference between the highest occupied molecular orbital and lowest unoccupied molecular orbital, thus having narrow bandgap, has maximum absorption wavelength shifted to the long-wavelength side, thus absorb a long-wavelength (near-infrared) light excellently and exhibits improved sunlight utilization efficiency; provides photovoltaic cell that exhibits improved photoelectric conversion efficiency, high open circuit voltage, and desired power generation capacity using smaller area, thus having a light weight and a small load applied on installation site, can be placed in a smaller site, so that the layout of the cell can be designed more freely, and is produced simply and easily; and exhibits improved charge separation efficiency.    DETAILED DESCRIPTION - Photoelectric conversion material comprises a condensed carbocyclic ring polymer obtained by reaction of a polyphenylene prepared by polymerizing monomers of substituted 4,4'-(1,4-phenylene)bis(2,3,5-triphenylcyclopenta-2,4-dienone) compounds of formula (I) and substituted aryl compounds of formula (II). (I) exhibit a higher solubility in an organic solvent with the solubilizing group than without the solubilizing group.    R1-R6 = H or solubilizing group;    Ar1 = optionally substituted aromatic group; and    R7, R8 = H, optionally substituted aromatic group, methyl or silyl.    INDEPENDENT CLAIMS are also included for:    (1) producing the photoelectric conversion material that acts as an electron donor for donating an electron or an electron acceptor for accepting an electron comprising polymerizing monomers (I) and (II) to prepare a polyphenylene and reacting the polyphenylene to prepare a condensed carbocyclic ring polymer as the photoelectric conversion material; and    (2) an organic photovoltaic cell comprising a photoelectric conversion material where the organic photovoltaic cell has a photoelectric conversion layer, and the photoelectric conversion layer contains the photoelectric conversion material containing a condensed carbocyclic ring polymer as an electron donor.