METHANOFULLERENE DERIVATIVES AND THE ORGANIC SOLAR CELL DEVICE COMPRISING THE DERIVATIVES

摘要

PURPOSE: A methanoflullerene derivative is provided to obtain high energy conversion efficiency and open circuit voltage of high level through a combination of polymer electron donor because of excellent solubility and high LUMO energy level, and excellent solubility. CONSTITUTION: A methanoflullerene derivative is represented by chemical formula 1. In chemical formula 1, A is C60 or C70 fullerene, R1-R4 is respectively substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-40 aryl or substituted or unsubstituted C3-40 heteroaryl, where a first added group(R1,R2) and a second added group(R3,R4) are different each other. A substituent of R1-R4 is one or more selected from C1-20 alkyl, C1-20 alkoxy, C6-40 aryl, C6-40 aryl, C6-40 aralkyl, C6-40 alyklaryl, C6-40 aralkoxy, C4-40 heteroaryl, C3-30 cycloalkyl, C1-30 alkylcarbonyl, C1-30 alkoxycarbonyl, C3-30 heterocycloalkyl, hydroxy, carboxy, amino, cyano, nitro, and halogen.