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Recently Published Articles

  1. You have full text access to this OnlineOpen article
    Hyperbolic Polaritonic Crystals Based on Nanostructured Nanorod Metamaterials

    Wayne Dickson, Stephen Beckett, Christina McClatchey, Antony Murphy, Daniel O'Connor, Gregory A. Wurtz, Robert Pollard and Anatoly V. Zayats

    Article first published online: 28 AUG 2015 | DOI: 10.1002/adma.201501325

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    Surface plasmon polaritons usually exist on a few suitable plasmonic materials; however, nanostructured plasmonic metamaterials allow a much broader range of optical properties to be designed. Here, bottom-up and top-down nanostructuring are combined, creating hyperbolic metamaterial-based photonic crystals termed hyperbolic polaritonic crystals, allowing free-space access to the high spatial frequency modes supported by these metamaterials.

  2. Monodisperse Magnesium Hydride Nanoparticles Uniformly Self-Assembled on Graphene

    Guanglin Xia, Yingbin Tan, Xiaowei Chen, Dalin Sun, Zaiping Guo, Huakun Liu, Liuzhang Ouyang, Min Zhu and Xuebin Yu

    Article first published online: 28 AUG 2015 | DOI: 10.1002/adma.201502005

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    Monodisperse MgH2 nanoparticles with homogeneous distribution and a high loading percent are developed through hydrogenation-induced self-assembly under the structure-directing role of graphene. Graphene acts not only as a structural support, but also as a space barrier to prevent the growth of MgH2 nanoparticles and as a thermally conductive pathway, leading to outstanding performance.

  3. Electrolyte-Gated Graphene Schottky Barrier Transistors

    Beom Joon Kim, Euyheon Hwang, Moon Sung Kang and Jeong Ho Cho

    Article first published online: 28 AUG 2015 | DOI: 10.1002/adma.201502020

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    A new device architecture for flexible vertical Schottky barrier (SB) transistors and logic gates based on graphene–organic-semiconductor–metal heterostructures and ion gel gate dielectrics are demonstrated. The devices show well-behaved p- and n-type characteristics under low-voltage operation (<1 V), yielding high current densities (>100 mA cm−2) and on/off current ratios (>103).

  4. Highly Compressible and All-Solid-State Supercapacitors Based on Nanostructured Composite Sponge

    Zhiqiang Niu, Weiya Zhou, Xiaodong Chen, Jun Chen and Sishen Xie

    Article first published online: 28 AUG 2015 | DOI: 10.1002/adma.201502263

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    Based on polyaniline–single-walled carbon nanotubes –sponge electrodes, highly compressible all-solid-state supercapacitors are prepared with an integrated configuration using poly(vinyl alcohol) (PVA)/H2SO4 gel as the electrolyte. The unique configuration enables the resultant supercapacitors to be compressed as an integrated unit arbitrarily during 60% compressible strain. Furthermore, the performance of the resultant supercapacitors is nearly unchanged even under 60% compressible strain.

  5. Engineering the Electronic State of a Perovskite Electrocatalyst for Synergistically Enhanced Oxygen Evolution Reaction

    Yuqiao Guo, Yun Tong, Pengzuo Chen, Kun Xu, Jiyin Zhao, Yue Lin, Wangsheng Chu, Zhenmeng Peng, Changzheng Wu and Yi Xie

    Article first published online: 28 AUG 2015 | DOI: 10.1002/adma.201502024

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    A surface hydrogen effect to modulate the pure electronic-state transition in perovskite Ca0.9Yb0.1MnO3 synergistically generates a more suitable eg electron filling status and better conductivity. This achieves 100 times higher catalytic activity compared to that of a pristine sample.

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