Journal of Polymer Science Part B: Polymer Physics

Cover image for Vol. 53 Issue 22

Online ISSN: 1099-0488

Associated Title(s): Journal of Polymer Science Part A: Polymer Chemistry

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Publishes papers on the physics of polymers, including applications, theory and modeling and experiments. 2013 ISI Impact Factor: 3.803.

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  1. Design and evaluation of polymer matrices for the encapsulation of CdSe/ZnS quantum dots in photonic nanocomposite thin films

    Miltiadis Vasileiadis, Ioannis Koutselas, Stergios Pispas and Nikolaos A. Vainos

    Article first published online: 30 SEP 2015 | DOI: 10.1002/polb.23921

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    The flexibility and enhanced tailored functionalities of quantum dots/polymer nanocomposites makes them very attractive in photonics and other applications. A systematic approach and a new methodology for evaluating the encapsulation of CdSe/ZnS quantum dots into polymer matrices are demonstrated. The photoluminescence properties of nanocomposites are studied to effectively assess the efficiency of polymers as nanoparticle hosts toward advanced nanocomposite photonic devices.

  2. Physical mechanisms responsible for the water-induced degradation of PC61BM P3HT photovoltaic thin films

    Andrew J. Parnell, Ashley J. Cadby, Alan D. F. Dunbar, George L. Roberts, Alex Plumridge, Robert M. Dalgliesh, Maximilian W. A. Skoda and Richard A. L. Jones

    Article first published online: 30 SEP 2015 | DOI: 10.1002/polb.23902

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    The water-induced degradation mechanisms in polymer and hybrid polymer solar cells are explored by simulating the heating and cooling cycles that may be experienced during their operation. The surface distribution of PC61BM can be markedly altered from a planar uniform distribution by the presence of water, as breath pattern type structures are readily formed on the surface. These surface indentations are made possible by the liquid-like swollen nature of the poly(3,4-ethylenedioxythiophene) polystyrene sulfonate layer.

  3. Structure of poly(styrene-b-ethylene-alt-propylene) diblock copolymer micelles in binary solvent mixtures

    Soo-Hyung Choi, Won Bo Lee, Timothy P. Lodge and Frank S. Bates

    Article first published online: 30 SEP 2015 | DOI: 10.1002/polb.23922

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    Diblock copolymers can self-assemble into micelles in selective solvent. In this study, the effect of solvent selectivity on the block copolymer micelle structures is systematically investigated using binary solvent mixtures of squalane (selective solvent) and 1-phenyldodecane (neutral solvent). Contrary to previous findings, the micelle core radius is nearly independent of solvent selectivity, and crowding of the corona blocks plays a significant role in determining the micelle structure. The results provide guidance on designing the block copolymer micelles in solvent mixtures.

  4. Interactions among spherical poly(acrylic acid) brushes: Observation by rheology and small angle X-ray scattering

    Weihua Wang, Fangfang Chu, Li Li, Haoya Han, Yuchuan Tian, Yunwei Wang, Zhenyu Yuan, Zhiming Zhou and Xuhong Guo

    Article first published online: 28 SEP 2015 | DOI: 10.1002/polb.23901

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    Interactions among annealed spherical polyelectrolyte brushes (SPBs) in a concentrated aqueous dispersion under the effect of concentration, pH, and salt concentration are investigated systematically by means of rheology and small angle X-ray scattering (SAXS). The results provide new insight into the interactions among SPBs at high concentrations, which can build up a solid foundation for the applications of SPBs.

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    Perspective: Do macromolecules play a role in the mechanisms of nerve stimulation and nervous transmission?

    Gary E. Wnek

    Article first published online: 28 SEP 2015 | DOI: 10.1002/polb.23898

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    The presence of fibrillar macromolecular networks in neuronal tissue is known, but their function is believed to be principally mechanical/structural in nature. However, there has long been speculation regarding a broader role for neuronal fibrillar macromolecules, which are anionic polyelectrolytes, specifically regarding their participation in nervous stimulation and transmission. This Perspective attempts to build a case for considering a multifunctional role for such macromolecules that includes participation in not only nervous activity but also in diverse phenomena including electric communication within and between cells and mechanisms of anesthetic action.