초록 |
π-Conjugated systems have attracted a great deal of attention, because they have delocalized, conjugated electronic structures in their main chain, which give them unique material characteristics such as photoluminescence (PL), electroluminescence (EL), conductivity and oxidative stability. Most π-conjugated systems are insoluble, due to the strong, secondary interchain interactions between their highly anisotropic, rigid polymer backbones. Many attempts have been made to enhance their solubility and performance either by introducing either various substituents/end groups into the polymer backbone or by copolymerizing them with conjugated or non-conjugated copolymers. In this report, we synthesized a novel amphiphilic triblock copolymer containing oligothiophene, which was asymmetrically end-substituted with a hydrophobic alkyl moiety and a hydrophilic oligo(ethylene oxide) by Suzuki and Stille coupling reactions. |