In this paper new derivatives of fullerene C-60 are synthesized. The structure of the molecule structure of the N-Methyl-1-(4-cytisinophenyl) fullerene-C-60-[1,9]-pyrrolidine was proved by NMR of 1H and 13C spectroscopy. The spectral-luminescent properties of N-Methyl-1-(4-cytisinophenyl) fullerene-C-60-[1,9] -pyrrolidine were studied. It was established that the lifetimes of the excited states amounted to 0.31 ns and 0.6 ns, respectively. The photovoltaic properties of organic solar cells with a volumetric heterojunction based on fulleropyrrolidine were studied. It was shown that the use of fulleropyrrolidine as an acceptor was comparable to the VAC for the P3HT: PCBM system.