| 초록 |
Organic Photovoltaic Cells have attracted considerable attention in recent years due to their low cost, light-weight, flexiblity and fabrication by solution process. Donor-Acceptor(D-A) copolymers is good choices for polymers of OPVs, because their structural backbone and electronic behavior could be tailored by combination of different π-electron-rich(donor) and π-electron-difficient(acceptor) moieties. We choose quinacridone as donor, benzooxadiazole as acceptor. We changed single thiophene spacers as bithiophene spacers. Bithiophene units are more electron donating than a single thiophene repeat unit which could increase the intramolecular charge transfer and also help in increasing the electronic delocalization. In this study, we synthesized polymer PQCDbtBO using suzuki coupling reaction. The synthesized polymer is showed physical, optical, electrochemical and photovoltaic properties. |
