| 초록 |
Fluorene-thiophene derived conjugated oligomer and polymer, namely, 2,5-bis-[9,9-bis-(6-bromo-hexyl)-9H-fluoren-2-yl]-thiophene (FTF) and poly2-[9,9-bis-(6-bromo-hexyl)-9H-fluoren-2-yl]-thiophene (PFT) were prepared by the Suzuki coupling reaction. FTF and PFT can be easily converted to quaternary ammonium salt by the treatment of trimethylamine, which are very good soluble in protic solvent such as methanol, ethanol, and so on. Quaternarized PFT and FTF can be used as the cathode buffer layer. In this presentation, we present synthesis, the electrical and optical properties of the conjugated oligomer. In addition, we investigate the effect of PFT and FTF as the cathode buffer layer on the photovoltaic properties. |
