Advanced Functional Materials

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Recently Published Articles

  1. Improved CO2 Capture from Flue Gas by Basic Sites, Charge Gradients, and Missing Linker Defects on Nickel Face Cubic Centered MOFs

    Elena López-Maya, Carmen Montoro, Valentina Colombo, Elisa Barea and Jorge A. R. Navarro

    Article first published online: 30 JUL 2014 | DOI: 10.1002/adfm.201400795

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    A boosting of CO2 capture properties in a series of functional MOF materials can be achieved by post-synthetic treatment with KOH ethanolic solutions, leading to linker removal and the concomitant creation of highly active surface sites for the adsorption of acidic gases.

  2. Gram-Scale Synthesis of Ultrathin Tungsten Oxide Nanowires and their Aspect Ratio-Dependent Photocatalytic Activity

    Jincheng Liu, Olivier Margeat, Walid Dachraoui, Xianjie Liu, Mats Fahlman and Jorg Ackermann

    Article first published online: 29 JUL 2014 | DOI: 10.1002/adfm.201401261

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    A new top-down synthesis of ultrathin W18O49 nanowires using alcohol-assisted solvothermal decomposition of tungstic acid is presented which allows controlling both diameter and length of the wires in a simple way. It is found that the photocatalytic activity is controlled by the length to width ratio of the ultrathin W18O49 nanowires leading to the highest efficiency and fastest degradation kinetics in the case of the largest aspect ratio.

  3. Spontaneous Counterion-Induced Vesicle Formation: Multivalent Binding to Europium(III) for a Wide-Range Optical pH Sensor

    Gaocan Li, Shiyong Zhang, Ningjie Wu, Yangyang Cheng and Jingsong You

    Article first published online: 29 JUL 2014 | DOI: 10.1002/adfm.201400569

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    A counterion-directed molecular design strategy for the spontaneous formation of stable vesicles via readily available imidazolium salts with the EDTA counteranion in aqueous media is proposed. Importantly, the unusual counterion-induced vesicle-like sphere aggregates can further chelate metal ions to enhance the europium-centered emission in aqueous media and make it viable for an optical pH sensor.

  4. 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.

  5. 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.