초록 |
The conjugated polymers with ionic pyridine functionalities have been used as material candidates for the fabrication of ultrathin amphiphilic films, light-emitting materials, polyacetylene-silica nanohybrids, and nanocrystalline CdS polymer sensitizer. A new ionic polyacetylene with benzoyl functional groups was synthesized by the activation polymerization of 2-ethynylpyridine with 4-butoxybenzoyl chloride without any additional initiator or catalyst. The acetylenic triple bond of N-benzoyl-2-ethynylpyridinium chloride, formed in the first quaternarization process, was also found to be susceptible to linear polymerization. The photoluminescence spectrum showed two distinguished maximum values at 575 and 630 nm, corresponding to photon energies of 2.16 and 1.97 eV, respectively. The electrochemical properties of this ionic polyacetylene were also measured and are discussed. |