Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 53 Issue 4

Impact Factor: 3.245

ISI Journal Citation Reports © Ranking: 2013: 14/82 (Polymer Science)

Online ISSN: 1099-0518

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

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  1. Benzodithiophene-thiophene-based photovoltaic polymers with different side-chains

    Thanh Luan Nguyen, Seyeong Song, Seo-Jin Ko, Hyosung Choi, Ji-Eun Jeong, Taehyo Kim, Sungu Hwang, Jin Young Kim and Han Young Woo

    Article first published online: 19 JAN 2015 | DOI: 10.1002/pola.27516

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    Side-chains of photovoltaic polymers need to be multifunctional to induce a deep highest occupied molecular orbitalHOMO level and chain planarity (for crystalline ordering) as well as good solution processability.

  2. Synthesis, characterization, and application to polymer solar cells of polythiophene derivatives with ester- or ketone-substituted phenyl side groups

    Minh Anh Truong, Seijiro Fukuta, Tomoyuki Koganezawa, Yu Shoji, Mitsuru Ueda and Tomoya Higashihara

    Article first published online: 13 JAN 2015 | DOI: 10.1002/pola.27513

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    Four polythiophene derivatives including regiorandom polymers P1, P2, and P3 and a regioregular polymer P4, containing phenyl side chain with electron-withdrawing groups such as an ester and a ketone at the 3-position of thiophene ring, prepared by Stille polycondensation are applied to p-type semiconducting polymers in bulk heterojunction solar cells. The devices based on the polymer P4 show better photovoltaic performances than those based on other polymers, probably due to the existence of the crystallinity of the regioregular polymer.

  3. Molecular heterogeneity of ethylene-propylene rubbers: New insights through advanced crystallization-based and chromatographic techniques

    Mohau Justice Phiri, Sadiqali Cheruthazhekatt, Anita Dimeska and Harald Pasch

    Article first published online: 13 JAN 2015 | DOI: 10.1002/pola.27512

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    The molar mass and chemical composition distributions of five ethylene-propylene rubber (EPR) copolymers with high comonomer contents (25–66%) were studied using various advanced analytical techniques. HT-HPLC provided a more comprehensive separation and characterization of both the amorphous and the crystalline TREF fractions as compared with DSC and CRYSTAF which can only address the crystalline fractions. Preparative TREF provided fractions of different chemical compositions that were subjected to a combination of various analytical methods.

  4. Donor–acceptor rod–coil block copolymers comprising poly[2,7-(9,9-dihexylfluorene)-alt-bithiophene] and fullerene as compatibilizers for organic photovoltaic devices

    Erika Bicciocchi, Matthias Haeussler, Ezio Rizzardo, Andrew D. Scully and Kenneth P. Ghiggino

    Article first published online: 13 JAN 2015 | DOI: 10.1002/pola.27514

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    Rod–coil block copolymers comprising a conjugated polymer and functionalized C60 polymer components have been synthesized by a combination of condensation and controlled free radical polymerization methods and found to impart improved operational stability to polymer solar cells when used as blend compatibilizers.

  5. Synthesis of polymers possessing tetraphenylethylene units by three-component coupling reactions of poly(p-phenylene ethynylene) derivative with aryl halides and phenylboronic acid

    Takeru Suto, Hiroki Nishiyama, Shinsuke Inagi and Ikuyoshi Tomita

    Article first published online: 13 JAN 2015 | DOI: 10.1002/pola.27503

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    A poly(p-phenylene ethynylene) derivative was subjected to the palladium-catalyzed three-component coupling reaction using aryl halides and phenylboronic acid to obtain polymers having tetrasubstituted cis-vinylene units. The polymers produced by the present polymer reaction proved to exhibit hypsochromic shifts of the absorption maxima in their UV–vis absorption spectra, while bathochromic shifts of the emission maxima were observed in their photoluminescence spectra.

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