Advanced Materials

Cover image for Vol. 26 Issue 16

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. Metal/Semiconductor Hybrid Nanostructures for Plasmon-Enhanced Applications

    Ruibin Jiang, Benxia Li, Caihong Fang and Jianfang Wang

    Article first published online: 19 APR 2014 | DOI: 10.1002/adma.201400203

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    (Plasmonic metal)/semiconductor hybrid nanostructures are currently of increasing interest owing to their rich and attractive physical and chemical properties derived from localized plasmon resonance and semiconduction. In this article, the preparation, properties, and applications of this type of hybrid nanostructure are reviewed. Future directions in this field are also discussed.

  2. Molecular-Scale Heteroassembly of Redoxable Hydroxide Nanosheets and Conductive Graphene into Superlattice Composites for High-Performance Supercapacitors

    Renzhi Ma, Xiaohe Liu, Jianbo Liang, Yoshio Bando and Takayoshi Sasaki

    Article first published online: 19 APR 2014 | DOI: 10.1002/adma.201400054

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    Artificial superlattice nanocomposites are successfully prepared by electrostatic heteroassembly of redoxable Co–Al or Co–Ni layered double hydroxide (LDH) nanosheets with graphene. The superlattice electrodes exhibit a high capacity up to ca. 650 F/g, which is approximately 6 times that of pure graphene. The composites are found to be capable of superfast charging and discharging, up to ca. 100 Hz, comparable with the high-power performance of graphene electrodes.

  3. Cup-Stacked Carbon Nanotube Schottky Diodes for Photovoltaics and Photodetectors

    Ki-Hwan Kim, David Brunel, Aurelien Gohier, Leandro Sacco, Marc Châtelet and Costel-Sorin Cojocaru

    Article first published online: 19 APR 2014 | DOI: 10.1002/adma.201400775

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    High-performance optoelectronic devices based on cup-stacked carbon nanotubes are realized. Based on a Schottky barrier model, rectifying behaviors and high photo­response are observed by using growth catalysts as nanoscale electronic contacts. Similar performances are also obtained and furthermore tuned by using the nanotube's defective surface as effective decoration sites transforming nanotube resistors into Schottky diodes.

  4. Effective Solution- and Vacuum-Processed n-Doping by Dimers of Benzimidazoline Radicals

    Benjamin D. Naab, Siyuan Zhang, Koen Vandewal, Alberto Salleo, Stephen Barlow, Seth R. Marder and Zhenan Bao

    Article first published online: 19 APR 2014 | DOI: 10.1002/adma.201400668

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    Benzimidazoline radical dimers that can be handled in air but that function as powerful reductants are reported and evaluated as n-dopants by solution- and vacuum-processing. In several host materials, one of these dimers is found to have a more consistent doping effect than a hydride-donor dopant analog. Notably, a record high room-temperature conductivity of 12.0 S cm−1 is obtained for doped C60.

  5. Electric Field Manipulation of Magnetization Rotation and Tunneling Magnetoresistance of Magnetic Tunnel Junctions at Room Temperature

    Peisen Li, Aitian Chen, Dalai Li, Yonggang Zhao, Sen Zhang, Lifeng Yang, Yan Liu, Meihong Zhu, Huiyun Zhang and Xiufeng Han

    Article first published online: 19 APR 2014 | DOI: 10.1002/adma.201400617

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    Electric-field-controlled tunneling magnetoresistance (TMR) of magnetic tunnel junctions is considered as the milestone of ultralow power spintronic devices. Here, reversible, continuous magnetization rotation and manipulation is reported for TMR at room temperature in CoFeB/AlOx/CoFeB/piezoelectric structure by electric fields without the assistance of a magnetic field through strain-mediated interaction. These results provide a new way of exploring electric-field-controlled spintronics.

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