Patent ID: 8673958
Filing Date: 2014-03-18
Classification: B82Y,C01B,C07D,H01L,Y02E,Y02P

Abstract:
1. A fullerene derivative having a partial structure represented by formula (2a) or (2b): wherein ring A represents a fullerene skeleton having 60 or more carbon atoms, and R is an alkyl group having 1 to 20 carbon atoms; an alkoxy group having 1 to 20 carbon atoms; an aryl group having 6 to 60 carbon atoms; a halogen atom; a heterocyclic group selected from the group consisting of a thienyl group, a pyridyl group, a furyl group, a piperidyl group, a quinolyl group, an isoquinolyl group and a pyrrolyl group; a group represented by formula (3): wherein m represents an integer of 1 to 6, n represents an integer of 1 to 4, p represents an integer of 0 to 5 and, when a plurality of structures represented by —(CH 2 —) m —O— are present, m in the structures may be the same numerical value, or mutually different numerical values; or a group having an ester structure represented by formula (4): wherein s represents an integer of 0 to 10, and q represents an integer of 0 to 10 and r represents an integer of 0 to 4, and wherein ring A represents a fullerene skeleton having 60 or more carbon atoms, R and r have the same meanings as defined above, a plurality of R's may be the same or different, and a plurality of r's may be the same or different.