NOVELTY - An organic photoelectric conversion element (10) consists of transparent electrode (12), a photoelectric conversion layer (14) containing a p-type organic-semiconductor material and an n-type organic-semiconductor material, and electrode (13), provided sequentially on a transparent substrate (11). The photoelectric conversion layer contains a compound having a dithiophenyl-benzo-oxadiazole partial structure (I) as the p-type organic-semiconductor material.    USE - Organic photoelectric conversion element is used for solar cells (claimed).    ADVANTAGE - The organic photoelectric conversion element has excellent photoelectric conversion efficiency, durability, and coating characteristics.    DETAILED DESCRIPTION - An organic photoelectric conversion element consists of transparent electrode (12), a photoelectric conversion layer containing a p-type organic-semiconductor material and an n-type organic-semiconductor material, and electrode (13), provided sequentially on a transparent substrate. The photoelectric conversion layer contains a compound having a dithiophenyl-benzo-oxadiazole partial structure of formula (I) as the p-type organic-semiconductor material.    X=fluoro or chloro;    R1-R3=H, halo, alkyl, fluoroalkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, fluoroalkoxy, alkylthio, fluoroalkylthio, alkylamino, fluoroalkylamino, aryl, heteroaryl, or coupling group formed by the above group, with aryl or heteroaryl having condensed ring structure;and    n=0-2.    INDEPENDENT CLAIMS are included for the following:    (1) manufacture of organic photoelectric conversion element, which involves forming photoelectric conversion layer without exposing to oxygen and moisture content during film-formation and after film-formation; and    (2) solar cell consisting of electrode (12) as cathode, electrode (13) an anode, and the organic photoelectric conversion element.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic sectional view of the organic photoelectric conversion element. (Drawing includes non-English language text)    Organic photoelectric conversion element (10)    Substrate (11)    Electrodes (12,13)    Photoelectric conversion layer (14)    Positive hole transport layer (17)