| 초록 |
Bulk-heterojunction(BHJ) Organic photovoltaics(OPVs) have attracted tremendous attention due to their unique advantages including low cost, light weight, and potential uses in flexible and large-area devices. However degradation in air for conventional BHJ-OPVs is serious problem. To improve this point, Inverted OPVs(IOPVs) are introduced to improve low stability about air. In IOPVs have a structure in which the metal acts as the anode and the transparent electrode acts as the cathode. The Benzo[1,2-b:4,5;b']dithiophene (BDT) and Quinoxaline(Qx) based unit respectively selected as donor, acceptor unit within the polymer backbone to decrease the band gap of the polymer and to tune the energy levels. In this study, we synthesized polymers using Stille coupling reaction. The synthesized polymer is characterized by 1H-NMR, GPC, TGA, UV, CV and fabricated device was measured. |
