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Recently Published Articles

  1. In-Situ Confined Growth of Monodisperse Pt Nanoparticle@Graphene Nanobox Composites as Electrocatalytic Nanoreactors

    Yingying Lv, Yin Fang, Zhangxiong Wu, Xufang Qian, Yanfang Song, Renchao Che, Abdullah M. Asiri, Yongyao Xia, Bo Tu and Dongyuan Zhao

    Article first published online: 20 OCT 2014 | DOI: 10.1002/smll.201402289

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    Pt nanoparticle@3D graphene nanobox composites are successfully synthesized though an in-situ growth route by using nanozeolites as substrates at an ambient pressure. The zeolites provide the crystal surfaces and inner micropores for the in-situ growth of graphene and confined growth of Pt nanoparticles, respectively.

  2. Microfluidic Synthesis of Barcode Particles for Multiplex Assays

    Yuanjin Zhao, Yao Cheng, Luoran Shang, Jie Wang, Zhuoying Xie and Zhongze Gu

    Article first published online: 20 OCT 2014 | DOI: 10.1002/smll.201401600

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    The controlled synthesis of barcode particles with novel functions is assuming increased importance in varied applications including medical diagnostics, cell culturing, and anti-counterfeiting. The recent developments of microfluidic approaches to the barcode particle synthesis, and the applications of these particles, are here reviewed.

  3. Characterizing the Chiral Index of a Single-Walled Carbon Nanotube

    Qiuchen Zhao and Jin Zhang

    Article first published online: 20 OCT 2014 | DOI: 10.1002/smll.201401567

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    The properties of single-walled carbon nanotubes (SWCNTs) are highly dependent on their chiral indices. Therefore, it is meaningful to characterize the geometric structure of a SWCNT. In this review, several useful methods are described, which are widely used in characterizing the chirality of a SWCNT. These methods are divided into imaging techniques and spectroscopy techniques, which focus on diameter, helix angle, and electronic energy state measurements.

  4. Gecko-Inspired but Chemically Switched Friction and Adhesion on Nanofibrillar Surfaces

    Shuanhong Ma, Daoai Wang, Yongmin Liang, Baoquan Sun, Stanislav N. Gorb and Feng Zhou

    Article first published online: 20 OCT 2014 | DOI: 10.1002/smll.201402484

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    Chemically switched friction nano­fibrillar surfaces (SiNWAs-PSPMA & SiNWAs-PMAA arrays) can be constructed by finely decorating ordered Si nanowire arrays with responsive polymer brushes. As expected, these surfaces sense humidity or pH smartly and show reversible friction switching, based on swelling and shrinking of the polymer brushes, which is successfully monitored by AFM in liquid media.

  5. Self-Assembled Coffee-Ring Colloidal Crystals for Structurally Colored Contact Lenses

    Zhuoying Xie, Linliang Li, Panmiao Liu, Fuyin Zheng, Liuyang Guo, Yuanjin Zhao, Lu Jin, Tingting Li and Zhongze Gu

    Article first published online: 20 OCT 2014 | DOI: 10.1002/smll.201402071

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    A circlular structural-colored contact lens is reported, which is fabricated by replicating self-assembled colloidal photonic crystal templates. The structural-colored contact lenses not only display variable and brilliant color under light illumination, but also avoid the addition of any colorants to the hydrogel lenses and prevent the potential harm posed by traditional colored contact lenses.