| 초록 |
Polymer solar cells have been developed as a promising cost effective alternative to inorganic-based solar cells, offering to realize low cost, light weight, and flexible cells. Phenothiazine is a well-known pharmaceutical compound bearing electron-rich sulfur and nitrogen heteroatoms. In one hand, it has low oxidation potentials, and stable radical cation can be easily generated. In another hand, the phenothiazine ring is nonplanar with a butterfly conformation in the ground state, Such special conformation can impede the molecular aggregation and the formation of intermolecular excimer. Copolymers of containing phenothiazine units, P1H and P3H, were synthesized by Suzuki coupling reaction, and characterized UV vis, and photoluminescence spectroscopy. And also, the polymers were as electron donor to fabricate PSCs with PCBM as electron acceptors. |
