Advanced Functional Materials

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  1. Rapid Pseudocapacitive Sodium-Ion Response Induced by 2D Ultrathin Tin Monoxide Nanoarrays

    Minghua Chen, Dongliang Chao, Jilei Liu, Jiaxu Yan, Bowei Zhang, Yizhong Huang, Jianyi Lin and Ze Xiang Shen

    Version of Record online: 20 FEB 2017 | DOI: 10.1002/adfm.201606232

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    Flexible, binder-free electrode composed of 2D ultrathin (≈2.5 nm) SnO nanoflake arrays on graphene foam/carbon nanotubes foam is fabricated. Density functional theory calculation, quantitative capacitive analysis, and ex situ Raman and high-resolution transmission electron microscopy verify the role of pseudocapacitive contribution to high-rate Na+ storage and long-term cycle life of sodium ion battery.

  2. Reversible Programing of Soft Matter with Reconfigurable Mechanical Properties

    Huimin He, Xiaodong Cao, Hua Dong, Ting Ma and Gregory F. Payne

    Version of Record online: 20 FEB 2017 | DOI: 10.1002/adfm.201605665

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    Chitosan can be electrostatically cross-linked by sodium dodecyl sulfate micelles to confer viscoelastic properties under acidic conditions, but self-assembles into crystalline network junctions to confer elastic properties under basic conditions. These two cross-linking mechanisms can be spatially programed by printing technologies. The reversibility of these cross-linking mechanisms allows the patterned films to be erased and reprogramed with reconfigured mechanical properties.

  3. Recent Progress in High-Efficiency Blue-Light-Emitting Materials for Organic Light-Emitting Diodes

    Yirang Im, Seong Yong Byun, Ji Han Kim, Dong Ryun Lee, Chan Seok Oh, Kyoung Soo Yook and Jun Yeob Lee

    Version of Record online: 20 FEB 2017 | DOI: 10.1002/adfm.201603007

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    Developing highly efficient fluorescent, phosphorescent and thermally activated delayed fluorescent emitters has led to great advances in the device performances of blue organic light-emitting diodes after 2010. The recent progress of high-efficiency blue emitters is reviewed and an outlook for high-efficiency blue emitters is proposed.

  4. Wearable and Miniaturized Sensor Technologies for Personalized and Preventive Medicine

    Antonio Tricoli, Noushin Nasiri and Sayan De

    Version of Record online: 20 FEB 2017 | DOI: 10.1002/adfm.201605271

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    Novel personalized and preventive medicine approaches are enabled by the rapid development of miniaturized and wearable sensor technologies. These have the potential of decreasing the cost while increasing the quality of healthcare services. Here, we present a comprehensive review and a classification of emerging materials and devices discussing exemplary achievements and standing challenges for tear, sweat, saliva, and volatile biomarkers analysis.

  5. Monolayer WxMo1−xS2 Grown by Atmospheric Pressure Chemical Vapor Deposition: Bandgap Engineering and Field Effect Transistors

    Xinke Liu, Jing Wu, Wenjie Yu, Le Chen, Zhonghui Huang, He Jiang, Jiazhu He, Qiang Liu, Youming Lu, Deliang Zhu, Wenjun Liu, Peijiang Cao, Shun Han, Xinbo Xiong, Wangying Xu, Jin-Ping Ao, Kah-Wee Ang and Zhubing He

    Version of Record online: 17 FEB 2017 | DOI: 10.1002/adfm.201606469

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    Monolayer WxMo1−xS2-based field effect transistors are demonstrated for the first time on the monolayer WxMo1−xS2 flake, which is grown by the chemical vapor deposition method under an atmospheric pressure. Carrier transport study on the fabricated WxMo1−xS2 FETs has been analyzed using temperature-dependent current measurement, and a field effect mobility of ≈30 cm2 V−1 s−1 at 300 K is obtained.

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