title: Branched 1,2,3-Triazolium-Functionalized Polyacetylene with Enhanced Conductivity.
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 × 10-5S cm-1at 30 °C. The doping treatment with lithium bis(trifluoromethanesulfonyl)imide endows iPAs with enhanced ionic conductivities of 2.5 × 10-5-4.3 × 10-5S cm-1. Further doping with iodine, iPAs show ionic and electronic dual conductivities of 4.5 × 10-5-7.1 × 10-4and 1.5 × 10-6-4.5 × 10-6S cm-1, respectively. Therefore, the doped iPAs demonstrate the potential in the area of conducting polymers and polymeric electronics.
authors.affiliation: School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.
authors.forename: Jianhua
authors.initials: J
authors.lastname: Wu
authors.affiliation: School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.
authors.forename: Cuifang
authors.initials: C
authors.lastname: Wang
authors.affiliation: School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.
authors.forename: Dandan
authors.initials: D
authors.lastname: Zhou
authors.affiliation: School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.
authors.forename: Xiaojuan
authors.initials: X
authors.lastname: Liao
authors.affiliation: School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.
authors.forename: Meiran
authors.initials: M
authors.lastname: Xie
authors.affiliation: School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.
authors.forename: Ruyi
authors.initials: R
authors.lastname: Sun
mesh_terms: D004553:Electric Conductivity; D053279:Polyynes / Q000138:chemical synthesis* / Q000737:chemistry*; D014230:Triazoles / Q000737:chemistry*
chemical_list: D014230:Triazoles; D053279:Polyynes
keywords: branched 1,2,3-triazolium; conductivity; doping; metathesis cyclopolymerization; polyacetylene