Modification of a Polyacetylene Polyelectrolyte via the Ion-exchange Reaction of Precursor Polymer using Sodium tetraphenylborate
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We have reported the synthesis and characterization of various polyacetylene-based ionic polymers. Polyacetylene-based polyelectrolytes were synthesized in high yields by the polymerization of ethynylpyridines using functional alkyl halides or carbonyl chlorides without any additional catalysts. Due to the noteworthy properties of conjugated organic polymers, these materials have been used as candidate materials for various optoelectronic devices. Here, we reported an effective synthesis of polyacetylene-based polyelectrolyte, poly(2-ethynyl-N-iodopyridinium tetraphenylborate) via the simple ion-exchange reaction of poly(2-ethynyl-N-iodopyridinium iodide) using sodium tetraphenylborate. The absorption spectrum of polymer shows strong absorption peak at 335 nm and the shoulder peaks at 415nm and 516 nm.