Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 54 Issue 13

Impact Factor: 3.113

ISI Journal Citation Reports © Ranking: 2014: 18/82 (Polymer Science)

Online ISSN: 1099-0518

Associated Title(s): Journal of Polymer Science Part B: Polymer Physics

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  1. End-group functionalization and postpolymerization modification of helical poly(isocyanide)s

    Anna Croom, Rossella Tarallo and Marcus Weck

    Version of Record online: 25 MAY 2016 | DOI: 10.1002/pola.28159

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    A functional Nickel initiator is used to install a terminal alkyne group on poly(isocyanide)s during polymerization. CuAAC reactions with various functional azides are performed as a post-polymerization method for end-group functionalization. The resultant polymers are analyzed by various techniques to demonstrate successful ligation of each respective azide.

  2. New benzodithiophene- and benzooxadiazole/benzothiadiazole-based donor–acceptor π-conjugated polymers for organic photovoltaics

    Kakaraparthi Kranthiraja, Kumarasamy Gunasekar, Sang Ho Park, In-Nam Kang, Jin Yong Lee, Myungkwan Song and Sung-Ho Jin

    Version of Record online: 24 MAY 2016 | DOI: 10.1002/pola.28145

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    New series of donor–acceptor type 2D-conjugated polymers (P1–P4) were designed and synthesized where A1, A2 (oxygen analogues), A3, A4 (sulfur analogues) were used as an electron deficient co-monomers. The systematic investigation of P1–P4 with additive and solvent treatment, yielded in enhanced power conversion efficiency of 4.29% for P3-based devices in bulk heterojunction organic solar cells.

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    On the miniemulsion polymerization of very hydrophobic monomers initiated by a completely water-insoluble initiator: thermodynamics, kinetics, and mechanism

    Tom G. T. Jansen, Jan Meuldijk, Peter A. Lovell and Alex M. van Herk

    Version of Record online: 24 MAY 2016 | DOI: 10.1002/pola.28155

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    The successful polymerization in miniemulsion of very hydrophobic monomers by a very hydrophobic initiator contradicts with current theories on radical origin and mobility. The introduction of an interfacial chain transfer event permits the presence of single radicals in miniemulsion particles. The low initiator efficiency of the monomer-soluble initiator affects the polymerization rates, resulting in a one to one copy (with respect to particle size) of monomer droplets into polymer particles.

  4. Conjugated polymers with carbazole, fluorene, and ethylene dioxythiophene in the main chain and a pendant cyano group: Synthesis, photophysical, and electrochemical studies

    Vivek Anand, Elumalai Ramachandran and Raghavachari Dhamodharan

    Version of Record online: 24 MAY 2016 | DOI: 10.1002/pola.28160

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    Six new conjugated polymers are synthesized via Sonogashira coupling reaction. The band gap of these polymers is in the range 2.35–2.43 eV. They appear to be better hole-transporting materials by virtue of their low oxidation potential peaks. Molecular aggregation and enhanced emission is observed on the addition of water, a nonsolvent, to the polymer solution in THF. The polymers emit in the green region with a quantum yield of Φf = 41–43%.

  5. Synthesis and characterization of a new phenanthrenequinoxaline-based polymer for organic solar cells

    Eunsol Jo, Jong Baek Park, Woo-Hyung Lee, Ji-Hoon Kim, In Hwan Jung, Do-Hoon Hwang and In-Nam Kang

    Version of Record online: 24 MAY 2016 | DOI: 10.1002/pola.28166

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    Synthesis and characterization of a new phenanthrenequinoxaline(phQx)-based donor–acceptor polymer was described. The incorporation of four branched alkoxy side chains into the two fused phenyl rings of the phQx unit improves its solubility. The addition of highly planar phQx groups to the polymer was expected to broaden the absorption band and enhance the carrier mobility, and thus to improve its solar cell performances.