Advanced Materials

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Recently Published Articles

  1. Hybrid Organic–Inorganic Perovskites (HOIPs): Opportunities and Challenges

    Joseph Berry, Tonio Buonassisi, David A. Egger, Gary Hodes, Leeor Kronik, Yueh-Lin Loo, Igor Lubomirsky, Seth R. Marder, Yitzhak Mastai, Joel S. Miller, David B. Mitzi, Yaron Paz, Andrew M. Rappe, Ilan Riess, Boris Rybtchinski, Oscar Stafsudd, Vladan Stevanovic, Michael F. Toney, David Zitoun, Antoine Kahn, David Ginley and David Cahen

    Article first published online: 30 JUL 2015 | DOI: 10.1002/adma.201502294

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    The conclusions reached by a diverse group of scientists who attended an intense 2-day workshop on hybrid organic–inorganic perovskites are presented, including their thoughts on the most burning fundamental and practical questions regarding this unique class of materials, and their suggestions on various approaches to resolve these issues.

  2. Engineering Melanin Nanoparticles as an Efficient Drug–Delivery System for Imaging-Guided Chemotherapy

    Ruiping Zhang, Quli Fan, Min Yang, Kai Cheng, Xiaomei Lu, Lei Zhang, Wei Huang and Zhen Cheng

    Article first published online: 29 JUL 2015 | DOI: 10.1002/adma.201502201

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    In order to promote imaging-guided chemotherapy for preclinical and clinical applications, endogenous nanosystems with both contrast and drug-delivery properties are highly desired. Here, the simple use of melanin is first reported, and this biopolymer with good biocompatibility and biodegradability, binding ability to drugs and ions, and intrinsic photoacoustic properties, can serve as an efficient endogenous nanosystem for imaging-guided tumor chemotherapy in living mice.

  3. High Performance Polymer Nanowire Field-Effect Transistors with Distinct Molecular Orientations

    Chengyi Xiao, Guangyao Zhao, Andong Zhang, Wei Jiang, René A. J. Janssen, Weiwei Li, Wenping Hu and Zhaohui Wang

    Article first published online: 28 JUL 2015 | DOI: 10.1002/adma.201502617

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    Polymer nanowires based on two diketopyrrolopyrrole conjugated polymers with similar chemical structures are shown to have distinct “edge-on” and “face-on” configurations in addition to high well-balanced hole and electron mobilities of 5.47 and 5.33 cm2 V–1 s–1 in field-effect transistors.

  4. Freestanding Ultrathin Metallic Nanosheets: Materials, Synthesis, and Applications

    Tao Ling, Jing-Jing Wang, Hao Zhang, Shu-Tao Song, Yu-Zhu Zhou, Jiong Zhao and Xi-Wen Du

    Article first published online: 27 JUL 2015 | DOI: 10.1002/adma.201501403

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    Free-standing ultrathin metallic nano­sheets with atomic thickness are the subject of considerable attention. Many kinds of metallic nanosheets with several atomic layers can be successfully synthesized through well-controlled anisotropic growth. These ultrathin metallic nanosheets display unique physical and chemical properties, and show great potential in biochemical sensing and imaging, industrial catalysis, and magnetic recording devices.

  5. Large-Scale Precise Printing of Ultrathin Sol–Gel Oxide Dielectrics for Directly Patterned Solution-Processed Metal Oxide Transistor Arrays

    Won-June Lee, Won-Tae Park, Sungjun Park, Sujin Sung, Yong-Young Noh and Myung-Han Yoon

    Article first published online: 26 JUL 2015 | DOI: 10.1002/adma.201502239

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    Ultrathin and dense metal oxide gate di­electric layers are reported by a simple printing of AlOx and HfOx sol–gel precursors. Large-area printed indium gallium zinc oxide (IGZO) thin-film transistor arrays, which exhibit mobilities >5 cm2 V−1 s−1 and gate leakage current of 10−9 A cm−2 at a very low operation voltage of 2 V, are demonstrated by continuous simple bar-coated processes.