Patent ID: 8440109

Claim:
A composition comprising a fullerene derivative represented by the following formula (1) and an electron-donating compound, wherein m represents an integer of 1 to 6, n represents an integer of 2, p represents an integer of 0 to 5, and r represents an integer of 0 to 4; Q represents a group represented by the following formula (2) or (3); and when there is a plurality of m, the m may be the same or different, wherein R 1 and R 2 each independently represent a halogen atom, an alkyl group, an alkoxy group, or an aryl group; a hydrogen atom included in these groups may be replaced by a halogen atom; q represents an integer of 0 to 7, and v represents an integer of 0 to 5; when there is a plurality of R 1 , the R 1 may be the same or different; and when there is a plurality of R 2 , the R 2 may be the same or different.