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Recently Published Articles

  1. Rotating-Electric-Field-Induced Carbon-Nanotube-Based Nanomotor in Water: A Molecular Dynamics Study

    Md. Mushfiqur Rahman, Mokter Mahmud Chowdhury and Md. Kawsar Alam

    Version of Record online: 29 MAR 2017 | DOI: 10.1002/smll.201603978

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    Carbon nanotubes suspended in water can be rotated with the aid of electric-field-induced water dipole orientations. Based on this phenomenon, a novel nanomotor configuration has been developed. The proposed nanomotor is capable of rotating gear-based complex structures as well as molecular scale loads with a precise angle.

  2. Aluminum-Ion-Intercalation Supercapacitors with Ultrahigh Areal Capacitance and Highly Enhanced Cycling Stability: Power Supply for Flexible Electrochromic Devices

    Kerui Li, Yuanlong Shao, Shiyi Liu, Qinghong Zhang, Hongzhi Wang, Yaogang Li and Richard B. Kaner

    Version of Record online: 29 MAR 2017 | DOI: 10.1002/smll.201700380

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    A highly efficient Al-ion intercalation into W18O49 nanowires is demonstrated for electrochemical energy storage. A freestanding composite film with a hierarchically porous structure is prepared by vacuum-filtration of a uniformly mixed dispersion containing W18O49 nanowires and single-walled carbon nanotubes, which exhibits ultrahigh areal capacitance and highly enhanced cycling stability.

  3. Ultrasensitive Detection of Prostate-Specific Antigen and Thrombin Based on Gold-Upconversion Nanoparticle Assembled Pyramids

    Tiantian Hao, Xiaoling Wu, Liguang Xu, Liqiang Liu, Wei Ma, Hua Kuang and Chuanlai Xu

    Version of Record online: 29 MAR 2017 | DOI: 10.1002/smll.201603944

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    Au-upconversion nanoparticle (UCNP) pyramids have been fabricated for the simultaneous detection of prostate-specific antigen and thrombin with satisfactory results. The surface-enhanced Raman scattering signal has been enhanced, while UCNPs fluorescence has been quenched as the successful assembly of the Au-UCNP pyramid. The nanopyramids can be applied to ultrasensitive, quantitative detection of disease biomarker targets for clinical diagnosis.

  4. Binding S0.6Se0.4 in 1D Carbon Nanofiber with C[BOND]S Bonding for High-Performance Flexible Li–S Batteries and Na–S Batteries

    Yu Yao, Linchao Zeng, Shuhe Hu, Yu Jiang, Beibei Yuan and Yan Yu

    Version of Record online: 29 MAR 2017 | DOI: 10.1002/smll.201603513

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    A flexible S0.6Se0.4@carbon nanofibers (CNFs) electrode is prepared by coheating S0.6Se0.4 powder with electrospun polyacrylonitrile nanofiber papers. The S0.6Se0.4@CNFs show excellent electrochemical performance for Li–S batteries and room temperature Na–S batteries, which attributes to the chemical bonding between Se and S, the chemical bonding between S0.6Se0.4 and CNFs matrix, and the 3D CNFs network.

  5. Formation of a Surficial Bifunctional Nanolayer on Nb2O5 for Ultrastable Electrodes for Lithium-Ion Battery

    Jun Young Cheong, Chanhoon Kim, Ji-Won Jung, Ki Ro Yoon, Su-Ho Cho, Doo-Young Youn, Hye-Yeon Jang and Il-Doo Kim

    Version of Record online: 21 MAR 2017 | DOI: 10.1002/smll.201603610

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    A surficial bifunctional nanolayer is adopted on Nb2O5 microparticles by a simple nitridation process, where it results in higher ionic transport and further prevents the pulverizaton of Nb2O5. Upon decoration of Ag nanoparticles, electric conductivity of Nb2O5 is further improved, resulting in ultralong cycle retention at high current density (3000 mA g−1).