Advanced Functional Materials

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Recently Published Articles

  1. 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.

  2. 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.

  3. Bio-Inspired All-Organic Soft Actuator Based on a π–π Stacked 3D Ionic Network Membrane and Ultra-Fast Solution Processing

    Ravi Kumar Cheedarala, Jin-Han Jeon, Chang-Doo Kee and Il-Kwon Oh

    Article first published online: 25 JUL 2014 | DOI: 10.1002/adfm.201401136

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    This article describes the construction of π–π stacked alternate hydrophilic-hydrophobic nanochannels inside a sulfonated polyimide membrane. Atomic level regio-specific interaction of cations and anions in an ionic liquid with hydrophilic-hydrophobic co-blocks of a sulfonated polyimide block copolymer (SPI) matrix is utilized for constructing a self-assembled 3D networked polymer with continuous and interconnected ion transport nanochannels for high-performance bio-inspired all-organic soft actuators.

  4. A Solution-Processed UV-Sensitive Photodiode Produced Using a New Silicon Nanocrystal Ink

    Tao Lin, Xin Liu, Bin Zhou, Zhiyong Zhan, Alexander N. Cartwright and Mark T. Swihart

    Article first published online: 25 JUL 2014 | DOI: 10.1002/adfm.201400600

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    A new nanoink consisting of silicon nanocrystals capped with short allyl disulfide ligands, dispersed in allyl disulfide, is used to fabricate a single-Schottky-junction photodiode by solution-phase processing in air. The unpackaged photo­diode exhibits a peak photoresponse of 0.02 A W−1 to UV light in air, within an order of magnitude of the response of commercially available photodetectors.

  5. Three-Dimensional Silver Nanoparticle Formation Using Femtosecond Laser Irradiation in Phosphate Glasses: Analogy with Photography

    N. Marquestaut, Y. Petit, A. Royon, P. Mounaix, T. Cardinal and L. Canioni

    Article first published online: 24 JUL 2014 | DOI: 10.1002/adfm.201401103

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    This first true 3D-patterning of nanocomposite materials is achieved in silver-containing zinc-phosphate glasses. In a first step, silver clusters are structured in space by means of a near-infrared femtosecond laser. A subsequent thermal treatment allows the space-selective growth of silver nanoparticles. This direct approach opens new routes towards the processing of plasmonic devices for sensing, photonics, and metamaterials applications.

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