Advanced Materials

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Recently Published Articles

  1. Rotation-Misfit-Free Heteroepitaxial Stacking and Stitching Growth of Hexagonal Transition-Metal Dichalcogenide Monolayers by Nucleation Kinetics Controls

    Hoseok Heo, Ji Ho Sung, Gangtae Jin, Ji-Hoon Ahn, Kyungwook Kim, Myoung-Jae Lee, Soonyoung Cha, Hyunyong Choi and Moon-Ho Jo

    Article first published online: 22 MAY 2015 | DOI: 10.1002/adma.201500846

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    2D vertical stacking and lateral stitching growth of monolayer (ML) hexagonal transition-metal dichalcogenides are reported. The 2D heteroepitaxial manipulation of MoS2 and WS2 MLs is achieved by control of the 2D nucleation kinetics during the sequential vapor-phase growth. It enables to create the hexagon-on-hexagon unit cell stacking and the hexagon-by-hexagon stitching without interlayer rotation misfits.

  2. Regenerative Nano-Hybrid Coating Tailored for Autonomous Corrosion Protection

    The Hai Tran, Ashokanand Vimalanandan, Georgi Genchev, Johannes Fickert, Katharina Landfester, Daniel Crespy and Michael Rohwerder

    Article first published online: 22 MAY 2015 | DOI: 10.1002/adma.201501044

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    A novel bilayer coating system for autonomous corrosion-triggered self-healing is demonstrated. The storage of the encapsulated monomer and the catalyst is separated in two different layers. The encapsulated catalyst is stored inside a metallic coating which ensures its activity even for an extended exposure time. The release from the capsules is triggered by corrosion and the correlated pH increase.

  3. Carrier-Density Control of the SrTiO3 (001) Surface 2D Electron Gas studied by ARPES

    Siobhan McKeown Walker, Flavio Yair Bruno, Zhiming Wang, Alberto de la Torre, Sara Riccó, Anna Tamai, Timur K. Kim, Moritz Hoesch, Ming Shi, Mohammad Saeed Bahramy, Phil D. C. King and Felix Baumberger

    Article first published online: 22 MAY 2015 | DOI: 10.1002/adma.201501556

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    The origin of the 2D electron gas (2DEG)stabilized at the bare surface of SrTiO3 (001) is investigated. Using high-resolution angle-resolved photoemission and core-level spectroscopy, it is shown conclusively that this 2DEG arises from light-induced oxygen vacancies. The dominant mechanism driving vacancy formation is identified, allowing unprecedented control over the 2DEG carrier density.

  4. Smart Albumin-Biomineralized Nanocomposites for Multimodal Imaging and Photothermal Tumor Ablation

    Yong Wang, Tao Yang, Hengte Ke, Aijun Zhu, Yangyun Wang, Junxin Wang, Junkang Shen, Gang Liu, Chunying Chen, Yuliang Zhao and Huabing Chen

    Article first published online: 21 MAY 2015 | DOI: 10.1002/adma.201500229

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    Smart cyanine-grafted gadolinium oxide nanocrystals (Cy-GdNCs) obtained by albumin-based biomineralization are shown to be theranostic nanocomposites, with promising properties for trimodal near-infrared fluorescence/photoacoustics/magnetic resonance imaging-guided photothermal tumor ablation.

  5. Polymer/Nanoparticle Hybrid Materials of Precise Dimensions by Size-Exclusive Fishing of Metal Nanoparticles

    Ziyin Fan, Melissa Köhn Serrano, Andreas Schaper, Seema Agarwal and Andreas Greiner

    Article first published online: 21 MAY 2015 | DOI: 10.1002/adma.201501306

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    Polymer cages prepared by etching of gold nanoparticles from polymer templates by the “grafting around” method are designed for selective separation of metal nanoparticles. The separation process is demonstrated as a fast biphasic ligand exchange reaction. The high separation efficiency and size selectivity of the polymer cage is verified by comparison with the linear block copolymer.