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  1. The Pine-Needle-Inspired Structure of Zinc Oxide Nanorods Grown on Electrospun Nanofibers for High-Performance Flexible Supercapacitors

    Syed Kamran Sami, Saqib Siddiqui, Sajal Shrivastava, Nae-Eung Lee and Chan-Hwa Chung

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/smll.201702142

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    A robust, light-weighted, efficient, and flexible electrode, comprised of pine-needle-inspired 1D–1D hybrid electrospun nanofiber-based electrodes, is designed for supercapacitors application. The fabricated electrode consists of ZnO nanorods conformably grown on PEDOT:PSS-coated polyvinylidene fluoride-tetrafluoroethylene electrospun nanofibers. The conductive nanofibers scaffold with significantly high surface area and greatly improve the electrochemical performance results in high performance novel electrode for supercapacitors.

  2. Free-Standing Polyurethane Nanofiber/Nets Air Filters for Effective PM Capture

    Fenglei Zuo, Shichao Zhang, Hui Liu, Hao Fong, Xia Yin, Jianyong Yu and Bin Ding

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/smll.201702139

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    A free-standing nanofiber/nets air filter assembled by 2D nanonets (≈20 nm) and bonded nanofibers is created by combining electrospinning/netting technique and peel off process from designed substrates. In virtue of small pore size, high porosity, and free-standing capacity, the ultrathin filter can achieve removal efficiency of >99.00%, light transmittance of ≈70% for PM1–0.5 filtration, even >99.970% removal for PM0.3 filtration.

  3. Multichannel Charge Transfer and Mechanistic Insight in Metal Decorated 2D–2D Bi2WO6–TiO2 Cascade with Enhanced Photocatalytic Performance

    Lan Yuan, Bo Weng, Juan Carlos Colmenares, Yugang Sun and Yi-Jun Xu

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/smll.201702253

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    A rational cascade engineering of Au nanoparticles decorated 2D/2D Bi2WO6–TiO2 binanosheets with improved photoactivity toward reduction of nitroaromatics in water under UV–vis light illumination is reported, which benefits from the cooperative synergy effect of multiple charge-carrier transfer channels, including Z-scheme charge transfer, “electron sink,” and the surface plasmon resonance effect within the as-designed ternary composite ensemble.

  4. Liquid Crystalline Networks toward Regenerative Medicine and Tissue Repair

    Daniele Martella, Paolo Paoli, Josè M. Pioner, Leonardo Sacconi, Raffaele Coppini, Lorenzo Santini, Matteo Lulli, Elisabetta Cerbai, Diederik S. Wiersma, Corrado Poggesi, Cecilia Ferrantini and Camilla Parmeggiani

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/smll.201702677

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    Liquid crystalline networks are demonstrated as powerful scaffolds for different cell lines. Demonstration of the complete adhesion on bare films by seeding murine muscle cells and human dermal fibroblasts is shown. By seeding single human induced pluripotent stem cell-derived cardiomyocytes we demonstrated how LCN can promote a more mature cell phenotype in a short period of culture maintaining the integrity of film potential.

  5. Intercalating Ti2Nb14O39 Anode Materials for Fast-Charging, High-Capacity and Safe Lithium-Ion Batteries

    Chunfu Lin, Shengjue Deng, David J. Kautz, Zhihao Xu, Tao Liu, Jianbao Li, Ning Wang and Feng Lin

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/smll.201702903

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    Intercalating Ti2Nb14O39 is explored as a new anode material for fast-charging, high-capacity, safe, and stable lithium-ion batteries. Ti2Nb14O39 porous spheres with a defective crystal structure exhibit comprehensively good properties (including high ionic conductivity, significant pseudocapacitive behavior, high reversible specific capacity, safe working potential, high first-cycle Coulombic efficiency, outstanding rate capability, and excellent cycling stability), outperforming other Ti–Nb–O materials.