Particle & Particle Systems Characterization

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Best of Particle - Enjoy Free Access

The Best of Particle compiles a selection of recently published interesting articles dealing with the synthesis, characterization, and application of particles in a variety of systems and devices.

All articles are freely available: click here to read them now!

Recently Published Articles

  1. Growth of Ru-Modified Co3O4 Nanosheets on Carbon Textiles toward Flexible and Efficient Cathodes for Flexible Li–O2 Batteries

    Qing-chao Liu, Ji-jing Xu, Zhi-wen Chang, Dan Xu, Yan-bin Yin, Xiao-yang Yang, Tong Liu, Yin-shan Jiang, Jun-min Yan and Xin-bo Zhang

    Article first published online: 4 FEB 2016 | DOI: 10.1002/ppsc.201500193

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    A flexible and highly efficient air cathode is fabricated via a simple electro-deposition approach. This cathode exhibits a series of considerable electrochemical performances, in particular a good cycling performance (more than 70 cycles with the capacity limited 1000 mA h g−1). Based on this flexible cathode, a Li–O2 battery with flexible properties is also assembled, which can power a commercial LED normally.

  2. Dextran-Coated Antiferromagnetic MnO Nanoparticles for a T1-MRI Contrast Agent with High Colloidal Stability

    Herbert R. Neves, Rafael A. Bini, Jeam H. O. Barbosa, Carlos E. G. Salmon and Laudemir C. Varanda

    Article first published online: 3 FEB 2016 | DOI: 10.1002/ppsc.201500251

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    The synthesis and characterization of biocompatible MnO nanoparticles coated with carboxymethyl dextran are presented; these nanoparticles show high colloidal stability in both pure water and physiological saline solution. The coated-nanoparticle system reveals no toxicity for healthy human cells, antiferromagnetic behavior, significant r1 relaxivity, and low r2/r1 relaxivity ratio, and is thus suitable for applications as T1-weighted contrast agents for magnetic resonance imaging (MRI).

  3. Design of Enhanced Catalysts by Coupling of Noble Metals (Au,Ag) with Semiconductor SnO2 for Catalytic Reduction of 4-Nitrophenol

    Mei Lei, Wei Wu, Shuanglei Yang, Xingang Zhang, Zhuo Xing, Feng Ren, Xiangheng Xiao and Changzhong Jiang

    Article first published online: 2 FEB 2016 | DOI: 10.1002/ppsc.201500128

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    Noble-metal (Au and Ag)-coated Au@SnO2 yolk–shell ternary and binary nanoparticles are prepared and their catalytic performance for the reduction of 4-nitrophenol into 4-aminophenol by NaBH4 is elaborated. The ternary structures have a much higher catalytic activity than the binary heterostructures, and possible mechanisms behind this difference are investigated.

  4. Work-Function Engineering in Lead Sulfide and Cadmium Sulfide Quantum Dots incorporated into Zeolite Y using Ion Exchange

    Hangil Lee and Hyun Sung Kim

    Article first published online: 2 FEB 2016 | DOI: 10.1002/ppsc.201500232

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    The work function is a key property that should be considered to enhance the performance of quantum-dot (QD) applications. Here, the ability to effectively control the work-function value of zeolite-encapsulated PbS and CdS QDs by choosing the type of cation in the framework is reported. This study will provide new insight for developing applications of the QD-zeolite composites.

  5. FeNi Layered Double-Hydroxide Nanosheets on a 3D Carbon Network as an Efficient Electrocatalyst for the Oxygen Evolution Reaction

    Yang Li, Mengjia Zhao, Yang Zhao, Long Song and Zhipan Zhang

    Article first published online: 25 JAN 2016 | DOI: 10.1002/ppsc.201500228

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    An electrocatalyst that can effectively catalyze the oxygen evolution reaction is prepared via the deposition of iron–nickel layered double-hydroxide (FeNi-LDH) nanoplates on a 3D carbon framework as the building scaffold in a one-step hydrothermal process. The catalyst is also active in the oxygen reduction reaction, making it a new type of bifunctional catalyst for metal–air battery applications.

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