Advanced Functional Materials

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Recently Published Articles

  1. Droplet and Fluid Gating by Biomimetic Janus Membranes

    Xuelin Tian, Hua Jin, Jani Sainio, Robin H. A. Ras and Olli Ikkala

    Article first published online: 28 JUL 2014 | DOI: 10.1002/adfm.201400714

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    Inspired by passive transport across cell membranes, macroscopic hydrophilic/hydrophobic Janus-type membranes involving chemically asymmetric skin-layer structures are prepared, which show directional and selective “liquid gating” behavior, i.e., transport or blockage of liquids depending on the direction of the membrane and whether the liquid droplets are aqueous or oil.

  2. Three-Dimensional Structures of MoS2 Nanosheets with Ultrahigh Hydrogen Evolution Reaction in Water Reduction

    Xiumei Geng, Wei Wu, Ning Li, Weiwei Sun, Johnathan Armstrong, Alaa Al-hilo, Matthew Brozak, Jingbiao Cui and Tar-pin Chen

    Article first published online: 28 JUL 2014 | DOI: 10.1002/adfm.201401328

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    A robust and highly active system is demonstrated for the hydrogen evolution reaction in alkaline solution by developing MoS2 nanosheet arrays vertically aligned on graphene-mediated 3D Ni networks. The catalytic activity of the 3D MoS2 nanostructures is found to increase by 2 orders of magnitude as compared to the Ni networks without MoS2.

  3. Mesoporous Silica Nanoparticles: Selective Surface Functionalization for Optimal Relaxometric and Drug Loading Performances

    Meryem Bouchoucha, René C.-Gaudreault, Marc-André Fortin and Freddy Kleitz

    Article first published online: 28 JUL 2014 | DOI: 10.1002/adfm.201400524

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    A selective surface functionalization of mesoporous silica nanoparticles with MRI probe molecule and polyethylene glycol is a straightforward and efficient strategy that leads to the design of potential theranostic nanoparticles without porosity loss and with high drug loading capacity. These nanoparticles not only have a remarkable MRI positive contrast enhancement but also allow a controlled drug release in physiological conditions.

  4. Toward Full Exposure of ‘Active Sites’: Nanocarbon Electrocatalyst with Surface Enriched Nitrogen for Superior Oxygen Reduction and Evolution Reactivity

    Gui-Li Tian, Qiang Zhang, Bingsen Zhang, Yu-Guang Jin, Jia-Qi Huang, Dang Sheng Su and Fei Wei

    Article first published online: 25 JUL 2014 | DOI: 10.1002/adfm.201401264

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    Nitrogen-doped coaxial carbon nano­cables with most of the active sites fully exposed on the surface are developed. The accessible and efficient utilization of the integrated N atoms enriched on the surface combined with the undestroyed intact inner walls afford the nanocarbon electrocatalysts with much enhanced electrocatalytic activity for both oxygen reduction and evolution reaction.

  5. An Easily Sintered, Chemically Stable, Barium Zirconate-Based Proton Conductor for High-Performance Proton-Conducting Solid Oxide Fuel Cells

    Wenping Sun, Zhen Shi, Mingfei Liu, Lei Bi and Wei Liu

    Article first published online: 25 JUL 2014 | DOI: 10.1002/adfm.201401478

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    An easily sintered and chemically stable proton conductor BaZr0.8Y0.15In0.05O3–δ is developed. The fuel cell with a 12-μm-thick BaZr0.8Y0.15In0.05O3-δ electrolyte film delivers a peak power density of as high as 379 mW cm−2 at 700 °C. The result demonstrates that Y and In co-doping is an effective strategy for exploring sintering active and chemically stable BaZrO3-based proton conductors for high performance proton-conducting solid oxide fuel cells.

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