Macromolecular Chemistry and Physics

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Best of Macros 2017 is now online. Click here to read about the selected articles and their authors.

Recently Published Articles

  1. Rheological Study of Soft Matters: A Review of Microrheology and Microrheometers

    Wei Liu and Chi Wu

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/macp.201700307

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    Microrheological techniques have been widely used to investigate dynamics and structures of soft matters in polymer characterization and biological studies at the micro- or nanoscale. The basic principles, typical setups, and recently developed microrheometers are detailed in this review.

  2. Directed Orientation of Oligo(phenylene ethynylene)s Using Ureas or Urethanes in Rod–Coil Copolymers

    Johannes Ahner, Mathias Micheel, Marcel Enke, Stefan Zechel, Ulrich S. Schubert, Benjamin Dietzek and Martin D. Hager

    Version of Record online: 12 OCT 2017 | DOI: 10.1002/macp.201700343

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    The specific orientation of π-conjugated polymers in well-defined thin films is studied in detail caused by hydrogen bonding as well as π–π-stacking. The introduction of urea as well as urethane moieties into π-conjugated polymers at specific positions results in coplanarization of the rigid chromophores and, thus, in fine-tuned optoelectronic properties.

  3. Transition Metal Ion-Induced High Electrocatalytic Performance of Conducting Polymer for Oxygen and Hydrogen Evolution Reactions

    Yu-Tao Dong, Jin-Xian Feng and Gao-Ren Li

    Version of Record online: 12 OCT 2017 | DOI: 10.1002/macp.201700359

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    In this work it is demonstrated that the transition metal (TM)[BOND]N bonds in TM ion-doped conductive polymers can efficiently create high electrocatalytic active centers and obviously lower energy barriers of intermediates and products of hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), and the TM ion-doped conductive polymers exhibit the significantly improved electrocatalytic performance for HER and OER.

  4. Synthesis of Hyperbranched Polypyridine via a Cross Coupling Approach as an n-type π-Conjugated Polymer

    Takashi Koga, Yuta Nabae, Akiyasu Funakawa, Teruaki Hayakawa and Masa-aki Kakimoto

    Version of Record online: 12 OCT 2017 | DOI: 10.1002/macp.201700391

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    Hyperbranched polypyridine is obtained as the first example of n-type π-conjugated hyperbranched polymer by copolymerizing 2,4,6-tribromopyridine and 2,5-dibromopyridine. Cyclic voltammetry suggests that the introduction of the branching unit contributes to a quick response during electrochemical doping due to the diffusion of dopant enhanced by the hyperbranched structure.

  5. Impact of the Catalytic System on the Formation of Structural Defects for the Synthesis of Well-Defined Donor–Acceptor Semiconducting Polymers

    Michael Spanos, Vasilis G. Gregoriou, Apostolos Avgeropoulos and Christos L. Chochos

    Version of Record online: 12 OCT 2017 | DOI: 10.1002/macp.201700283

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    The influence of the catalytic system in the formation of structural defects within the donor–acceptor macromolecular chain, in the molecular characteristics, and in the ratio of the two monomers is achieved through the utilization of size exclusion chromatography and proton nuclear magnetic resonance (1H-NMR), respectively, by studying a series of alternating polymers consisting of indacenodithiophene and quinoxaline moieties.

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