Advanced Materials

Cover image for Vol. 26 Issue 28

Editor-in-Chief: Peter Gregory, Deputy Editors: Martin Ottmar, Carolina Novo da Silva, Lorna Stimson

Online ISSN: 1521-4095

Associated Title(s): Advanced Energy Materials, Advanced Engineering Materials, Advanced Functional Materials, Advanced Healthcare Materials, Advanced Materials Interfaces, Advanced Optical Materials, Particle & Particle Systems Characterization, Small

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Recently Published Articles

  1. Using “Click-e-Bricks” to Make 3D Elastomeric Structures

    Stephen A. Morin, Yanina Shevchenko, Joshua Lessing, Sen Wai Kwok, Robert F. Shepherd, Adam A. Stokes and George M. Whitesides

    Article first published online: 30 JUL 2014 | DOI: 10.1002/adma.201401642

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    Soft three dimensional, elastomeric structures and composite structures are easy to fabricate using click-e-bricks, and the internal architecture of these structures together with the capabilities built into the bricks themselves provide mechanical, optical, electrical, and fluidic functions.

  2. A New Benchmark Capacitance for Supercapacitor Anodes by Mixed-Valence Sulfur-Doped V6O13−x

    Teng Zhai, Xihong Lu, Yichuan Ling, Minghao Yu, Gongming Wang, Tianyu Liu, Chaolun Liang, Yexiang Tong and Yat Li

    Article first published online: 30 JUL 2014 | DOI: 10.1002/adma.201402041

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    A new pseudocapacitor anode, sulfur-doped V6O13−x, is reported. It achieves a benchmark capacitance of 1353 F/g (0.72 F/cm2) at a current density of 1.9 A/g (1 mA/cm2) in 5 M LiCl solution. The charges are stored chemically in the electrode via reversible redox reactions that involve multiple oxidation states of vanadium (V3+, V4+ and V5+).

  3. Donor–Acceptor Alternating Copolymer Nanowires for Highly Efficient Organic Solar Cells

    Jaewon Lee, Sae Byeok Jo, Min Kim, Heung Gyu Kim, Jisoo Shin, Haena Kim and Kilwon Cho

    Article first published online: 30 JUL 2014 | DOI: 10.1002/adma.201401203

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    A donor–acceptor conjugated copolymer enables the formation of nanowire systems that can be successfully introduced into bulk-heterojunction organic solar cells. A simple binary solvent mixture that makes polarity control possible allows kinetic control over the self-assembly of the crystalline polymer into a nanowire structure during the film-forming process. The enhanced photoconductivity of the nanowire-embedded photoactive layer efficiently facilitates photon harvesting in the solar cells. The resultant maximum power conversion efficiency is 8.2% in a conventional single-cell structure, revealing a 60% higher performance than in devices without nanowires.

  4. A Honeycomb-Layered Na3Ni2SbO6: A High-Rate and Cycle-Stable Cathode for Sodium-Ion Batteries

    Dingding Yuan, Xinmiao Liang, Lin Wu, Yuliang Cao, Xinping Ai, Jiwen Feng and Hanxi Yang

    Article first published online: 28 JUL 2014 | DOI: 10.1002/adma.201401946

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    A honeycomb layered Na3Ni2SbO6 is synthesized as a cathode of sodium-ion batteries. This new host material exhibits a high capacity of 117 mAh g−1, a remarkable cyclability with 70% capacity retention over 500 cycles at a 2C rate, and a superior rate capability with >75% capacity delivered even at a very high rate of 30 C (6000 mA g−1). These results open a new perspective to develop high capacity and high rate Na-ion batteries for widespread electric energy storage applications.

  5. Novel Electroforming-Free Nanoscaffold Memristor with Very High Uniformity, Tunability, and Density

    Shinbuhm Lee, Abhijeet Sangle, Ping Lu, Aiping Chen, Wenrui Zhang, Jae Sung Lee, Haiyan Wang, Quanxi Jia and Judith L. MacManus-Driscoll

    Article first published online: 28 JUL 2014 | DOI: 10.1002/adma.201401917

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    We develop a novel device structure using easy-to-grow nanoscaffold films to localize oxygen vacancy at vertical heterointerfaces. Our strategy is to design vertical interfaces using two structurally incompatible oxides, which are likely to generate a high concentration oxygen vacancy. We demonstrate nonlinear electroresistance at room temperature using these nanoscaffold devices. The resistance variations exceed two orders of magnitude with very high uniformity and tunability.

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