NOVELTY - Photoelectric semiconductor component has two molecular components comprising an electron donor and fullerene derivative (I) used as electron acceptor made from a carbon cluster with 60-960C, preferably 60-70C, where a substituent is bonded by a cyclopropane ring to the carbon cluster. The electron donor has a conjugated polymer, conjugated oligomer or a conjugated molecule, which is free from repeating units, or quantum dots, quantum wells or inorganic semiconductor nanoparticles.    USE - Photoelectric semiconductor component, particularly photovoltaic cell for use in solar module, photodetector, optical scanner or light intensity measuring element (all claimed).    ADVANTAGE - The photoelectric semiconductor component has a new soluble fullerene compound, which has effective synthesis, improved blend morphology, crystallinity and photoactive arrangement, holes blocking, electrons transporting or n-leading layer in a simple manner.    DETAILED DESCRIPTION - Fullerene derivatives of formula (I) are new.    F = carbon cluster;    E1, E2 = COOR, COR, CONRR1, P(O)(OR)2 or SO2R;    R, R1 = 1-20 (preferably 1-12) C aliphatic group terminating with H-, SH-, S-alkyl, SS-alkyl, NH-, OH- or COOH, where up to every third CH2 is optionally replaced by O, S or NR2 and where the aliphatic group is optionally substituted by one or more substituents;    R2 = H, 1-20C alkyl, phenyl or benzyl; or    R, R1 = aromatic group selected from phenyl, benzyl, naphthyl, anthracenyl or pyrenyl and terminating with H-, SH-, S-alkyl, SS-alkyl, NH-, OH- or COOH; or    R, R1 = unbranched 1-20C aliphatic group optionally substituted by one or more substituents, and coupled with a liquid crystalline promoter comprising: (1) a rigid molecular part (selected from aromatic or cycloaliphatic groups, e.g. phenyl, biphenyl, anthracenyl, pyrazinyl, cyclohexyl or cholesteryl) and a polarizable group (e.g. COO, CONH, CH=N, N=N, NO=N, CH=CH, CH=CH-CH=N, C?=C) followed by a rigid molecular part (selected from aromatic or cycloaliphatic groups e.g. phenyl, biphenyl, cyclohexyl or cholesteryl), and bound with its end group such as alkyl, alkoxy, OCO-alkyl, COO-alkyl, OCOO-alkyl, CN, halo or NO2); or (2) the above rigid molecular part, bound with a polarizable group as above; or (3) two molecular rigid molecular parts as above following one another, bound with the above end groups, where in all types of liquid crystalline promoters, they may be terminated by alkyl, alkoxy, COO-aIkyl, COO-alkyl, OCOO-alkyl end groups, H-, SH-, S-alkyl, SS-alkyl, NH-, OH- or COOH.    An INDEPENDENT CLAIM is also included for a method for producing a photoelectric semiconductor component, which involves forming a photoactive layer with an electron donor material and fullerene with a solvent.    DESCRIPTION OF DRAWING(S) - The drawing shows a graphical representation of X-ray diffractometry depicting intensity and temperature of a composite at a film.