Abstract
Metathesis cyclopolymerization of mono- or bissubstituted 1,6-heptadiynes is undergone to generate the ionic polyacetylenes (iPAs) with branched 1,2,3-ttriazolium pendants, which possess relatively high intrinsic ionic conductivities of 1.4 × 10-5 -2.1 × 10-5 S cm-1 at 30 °C. The doping treatment with lithium bis(trifluoromethanesulfonyl)imide endows iPAs with enhanced ionic conductivities of 2.5 × 10-5 -4.3 × 10-5 S cm-1 . Further doping with iodine, iPAs show ionic and electronic dual conductivities of 4.5 × 10-5 -7.1 × 10-4 and 1.5 × 10-6 -4.5 × 10-6 S cm-1 , respectively. Therefore, the doped iPAs demonstrate the potential in the area of conducting polymers and polymeric electronics.
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