Journal of Polymer Science Part B: Polymer Physics

Cover image for Vol. 52 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. 2012 ISI Impact Factor: 2.221

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  1. Multifunctional polyacrylonitrile-ZnO/Ag electrospun nanofiber membranes with various ZnO morphologies for photocatalytic, UV-shielding, and antibacterial applications

    Yen-Yu Chen, Chi-Ching Kuo, Bo-Yu Chen, Pei-Chi Chiu and Ping-Chun Tsai

    Article first published online: 24 OCT 2014 | DOI: 10.1002/polb.23621

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    Multifunctional electrospun nanofiber membranes for photocatalytic, UV-shielding, and antimicrobial applications were prepared from a PAN-ZnO/Ag composite and consisted of various ZnO morphologies, namely the pineal type, flower type, and sea-urchin type. Among these highly flexible, free-standing, three-dimensional nanostructures of PAN-ZnO/Ag composite fiber membranes, those composed of the sea-urchin-type ZnO structure feature a higher surface-to-volume ratio than other ZnO architectures do because of its distinctive structure, thus yielding higher performance.

  2. Correlation of gas permeation and free volume in new and used high free volume thin film composite membranes

    Toenjes Koschine, Klaus Rätzke, Franz Faupel, Muntazim Munir Khan, Thomas Emmler, Volkan Filiz, Volker Abetz, Luca Ravelli and Werner Egger

    Article first published online: 23 OCT 2014 | DOI: 10.1002/polb.23616

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    Physical aging in thin polymer films can lead to a reduction in membrane performance over time. The reduction in performance correlates to a lower free volume and can be measured by positron annihilation lifetime spectroscopy. By adding functionalized carbon nanotubes to polymeric gas separation membranes, mechanical and gas separation properties can be improved and aging can be reduced, as shown by free volume and permeation measurements.

  3. On the stability of nanoparticles coated with polyelectrolytes in high salinity solutions

    Rikkert J. Nap, Sung Hyun Park and Igal Szleifer

    Article first published online: 21 OCT 2014 | DOI: 10.1002/polb.23613

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    A molecular theory was used to investigate the interactions between polyelectrolyte coated nanoparticles in aqueous solutions containing high amounts of salt. Design criteria were identified to achieve dispersion stability of nanoparticles coated with either polyacrylic acid, poly acrylamido-2-methylpropane sulfonate, or an alternating copolymer under brine-like conditions. The effects of nanoparticle core size, molecular weight, density of the polyelectrolyte coating, and polymer chemistry were quantified.

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    Organic-inorganic nanocomposites composed of conjugated polymers and semiconductor nanocrystals for photovoltaics

    Jaehan Jung, Young Jun Yoon, Ming He and Zhiqun Lin

    Article first published online: 13 OCT 2014 | DOI: 10.1002/polb.23612

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    Recent developments in interfacial engineering of conjugated polymer-semiconductor nanocrystal (CP-NC) nanocomposites has enabled intimate contact between CPs and NCs, thereby facilitating charge separation between these two constituents. This Review seeks to highlight recent advances in CP-NC nanocomposites for hybrid solar cells. Several strategies for hybrid solar cells with potentially improved device performance are discussed. An outlook for future research directions in this rich field is also presented.

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    Janus hybrid hairy nanoparticles

    Tian Zhou, Bin Dong, Hao Qi, Shan Mei and Christopher Y. Li

    Article first published online: 13 OCT 2014 | DOI: 10.1002/polb.23611

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    Janus hairy nanoparticles (JHNPs) represent a new class of hybrid materials with a nanoparticle core and a layer of bicompartmentalized polymer brushes. The unique combination of amphiphilicity, processibility, and optical/electrical/mechanical properties of these systems makes them well suited for a wide range of applications. This review summarizes the recent progress in the field, including fabrication approaches and self- and directed assembly behaviors of such JHNPs.