Research in organic electronics and optics is rapidly advancing, and fullerene materials have received more and more attention in this field owing to their unique electronic and photophysical properties.[1] Fullerenes are among the best ntype semiconductors for organic solar cells (OSC).[2] The power conversion efficiency of conjugated polymer– fullerene solar cells has exceeded 8%.[3] Besides, fullerenes have shown their potential ...
[Kamal, Marwan R.; Al-Taweel, Samir A.; El-Abadelah, Mustafa M.; Ajaj, Khalid M. Abu Phosphorus, Sulfur and Silicon and the Related Elements, 1997 , vol. 126, p. 65 - 74]