Particle & Particle Systems Characterization

Cover image for Vol. 30 Issue 7

July 2013

Volume 30, Issue 7

Pages 567–644

  1. Cover Picture

    1. Top of page
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    3. Back Cover
    4. Masthead
    5. Contents
    6. Communications
    7. Full Papers
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      Nanoparticles: Hierarchical Carbon-Encapsulated Iron Nanoparticles as a Magnetically Separable Adsorbent for Removing Thiophene in Liquid Fuel (Part. Part. Syst. Charact. 7/2013) (page 567)

      Chang Yu, Yufeng Sun, Xiaoming Fan, Zongbin Zhao and Jieshan Qiu

      Version of Record online: 25 JUL 2013 | DOI: 10.1002/ppsc.201370026

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      Carbon-encapsulated iron nanoparticles (Fe@Cs) with core/shell hierarchical porous structure are produced from starch and used for removing thiophene in liquid fuels. Chang Yu, Jieshan Qiu and their co-workers on page 637 report a new strategy for fabricating biomaterials-based Fe@Cs with tuned structure and properties, which are magnetically separable and exhibit high efficiency for adsorbing thiophene from liquid oils.

  2. Back Cover

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    4. Masthead
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      Nanocomposite: Poly(3-hexylthiophene)/Gold Nanoparticle Hybrid System with an Enhanced Photoresponse for Light-Controlled Electronic Devices (Part. Part. Syst. Charact. 7/2013) (page 646)

      Su-Ting Han, Ye Zhou, Qing-Dan Yang, Chun-Sing Lee and V. A. L. Roy

      Version of Record online: 25 JUL 2013 | DOI: 10.1002/ppsc.201370029

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      V. A. L. Roy and co-workers on page 599 report light induced tunable electrical behavior of poly(3-hexylthiophene)/gold nanoparticle nanocomposite film. The findings not only provide better understanding of threshold voltage shifts under light illumination for nanocomposite based field-effect transistors and inverters, but also demonstrate potential application in electronic signal modulation for solution-processed integrated circuits.

  3. Masthead

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      Masthead: (Part. Part. Syst. Charact. 7/2013)

      Version of Record online: 25 JUL 2013 | DOI: 10.1002/ppsc.201370028

  4. Contents

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    2. Cover Picture
    3. Back Cover
    4. Masthead
    5. Contents
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  5. Communications

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    1. Ecofriendly Route for the Synthesis of Highly Conductive Graphene Using Extremophiles for Green Electronics and Bioscience (pages 573–578)

      Sreejith Raveendran, Neha Chauhan, Yoshikata Nakajima, Higashi Toshiaki, Shunji Kurosu, Yuji Tanizawa, Ryugo Tero, Yasuhiko Yoshida, Tatsuro Hanajiri, Toru Maekawa, Pulickel. M. Ajayan, Adarsh Sandhu and D. Sakthi Kumar

      Version of Record online: 9 APR 2013 | DOI: 10.1002/ppsc.201200126

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      Ecofriendly reduction of graphene oxide (GO) using extremophilic bacterial species yields highly conductive large-area graphene with excellent biocompatibility. The process involves two halophilic bacterial strains that reduce GO under both anaerobic and aerobic conditions. A one-step cost effective, non-toxic bulk reduction of GO for green electronics and bioscience applications is reported.

    2. A General Method to Label Metal Oxide Particles with Fluorescent Dyes Using Aryldiazonium Salts (pages 579–583)

      Jean-François Dechézelles, Nébéwia Griffete, Hervé Dietsch and Frank Scheffold

      Version of Record online: 24 APR 2013 | DOI: 10.1002/ppsc.201300014

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      Different metal oxide particles are dye labeled by a novel and versatile approach based on aryldiazonium salt chemistry. For dye labeling the particles, the simplicity of aryldiazonium salts to be grafted onto metallic or metal oxide surface is advantageous. The salt is used as a linking agent for attaching the fluorescent molecules.

    3. Selective Cold Welding of Colloidal Gold Nanorods (pages 584–589)

      Simona C. Laza, Nicolas Sanson, Cécile Sicard-Roselli, Anthony Aghedu and Bruno Palpant

      Version of Record online: 25 APR 2013 | DOI: 10.1002/ppsc.201300026

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      A new cold nanowelding technique for cetyltrimethylammonium bromide (CTAB)-stabilized colloidal nanorods in water is reported. This technique leads to the formation of micrometric nanowires by end-to-end self-organization and welding of nanorods. This cold welding strategy could be generally applicable to colloidal nanoparticles and opens new outlooks for the bottom-up fabrication of nanodevices using colloidal building blocks.

  6. Full Papers

    1. Top of page
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    3. Back Cover
    4. Masthead
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    6. Communications
    7. Full Papers
    1. Mechanistic Insights into a Non-Classical Diffusion Pathway for the Formation of Hollow Intermetallics: A Route to Multicomponent Hollow Structures (pages 590–598)

      E. A. Anumol, C. Nethravathi and N. Ravishankar

      Version of Record online: 20 MAR 2013 | DOI: 10.1002/ppsc.201300022

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      Hollow intermetallic PtBi is obtained via an unexpected non-classical diffusion pathway in a microwave-assisted synthesis. The mechanistic details of formation of hollow intermetallic due to the curvature effect and the electrocatalytic activity of the product for formic acid oxidation are presented.

    2. Poly(3-hexylthiophene)/Gold Nanoparticle Hybrid System with an Enhanced Photoresponse for Light-Controlled Electronic Devices (pages 599–605)

      Su-Ting Han, Ye Zhou, Qing-Dan Yang, Chun-Sing Lee and V. A. L. Roy

      Version of Record online: 20 MAR 2013 | DOI: 10.1002/ppsc.201300005

      Thumbnail image of graphical abstract

      The electrical behavior of a poly(3-hexylthiophene)/gold nanoparticle nanocomposite film is controlled by light with enhanced photoresponse. Spectroscopic methods are used to analyze the nanocomposite films. The findings demonstrate the potential applications in electronic signal modulation for solution-processed integrated circuits.

    3. Colloidosomes as Single Implantable Beads for the In Vivo Delivery of Hydrophobic Drugs (pages 606–613)

      Fabiola Porta and Alexander Kros

      Version of Record online: 9 APR 2013 | DOI: 10.1002/ppsc.201300045

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      The synthesis of silica-based colloidosomes with a polymer core are obtained via inverse Pickering emulsification and their use as an implantable drug delivery system in zebrafish is described.

    4. Heterogeneous Nanoassembling: Microfluidically Prepared Poly(methyl methacrylate) Nanoparticles on Ag Microrods and ZnO Microflowers (pages 614–623)

      Nikunjkumar Visaveliya, Shuning Li and J. Michael Köhler

      Version of Record online: 29 APR 2013 | DOI: 10.1002/ppsc.201200128

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      The formation of heterogeneous assemblies of the poly(methyl methacrylate) and inorganic constituents is represented in controlled hierarchical interaction. The investigation reveals that the controlled assembly can be generated by creating control surface charges of the constituent particles.

    5. Crystallization of Semiconductor Nanorods into Perfectly Faceted Hexagonal Superstructures (pages 624–629)

      Ajay Singh and Kevin M. Ryan

      Version of Record online: 24 APR 2013 | DOI: 10.1002/ppsc.201300008

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      Complete crystallization of CdS nanorods into micrometer sized perfectly faceted hexagonal superstructures is reported. The concept of crystallization for highly anisotropic material (nanorods) and the directing effect of the wurtzite structure of nanocrystal in the final shape of the superstructure are perfectly demonstrated in this system.

    6. TiO2 Nanotube Array/Monolayer Graphene Film Schottky Junction Ultraviolet Light Photodetectors (pages 630–636)

      Ming-Zheng Wang, Feng-Xia Liang, Biao Nie, Long-Hui Zeng, Ling-Xia Zheng, Peng Lv, Yong-Qiang Yu, Chao Xie, Yang Yang Li and Lin-Bao Luo

      Version of Record online: 9 APR 2013 | DOI: 10.1002/ppsc.201300040

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      A highly sensitive UV light photodetector is fabricated by coating a titanium dioxide nanotube (TiO2NT) array with a layer of monolayer graphene (MLG) film. Photoconductive analysis showed that the fabricated Schottky junction photodetector (PD) is sensitive to UV light illumination with good stability and reproducibility. The working mechanism of the TiO2NT array/MLG film Schottky junction PD is elucidated.

    7. Hierarchical Carbon-Encapsulated Iron Nanoparticles as a Magnetically Separable Adsorbent for Removing Thiophene in Liquid Fuel (pages 637–644)

      Chang Yu, Yufeng Sun, Xiaoming Fan, Zongbin Zhao and Jieshan Qiu

      Version of Record online: 10 MAY 2013 | DOI: 10.1002/ppsc.201300006

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      Self-assembled chains of magnetic nanoparticles embedded in a bulk polymer are prepared by thermally curing a dispersion of the nanoparticles in a liquid monomer under the application of a magnetic field. Repulsive forces between the chains cause them to assemble into an array with quasiperiodic, micrometer-scale spacing, and the chains exhibit enhanced magnetic anisotropy along the chain axis.

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