Advanced Functional Materials

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  1. A New rGO-Overcoated Sb2Se3 Nanorods Anode for Na+ Battery: In Situ X-Ray Diffraction Study on a Live Sodiation/Desodiation Process

    Xing Ou, Chenghao Yang, Xunhui Xiong, Fenghua Zheng, Qichang Pan, Chao Jin, Meilin Liu and Kevin Huang

    Version of Record online: 24 FEB 2017 | DOI: 10.1002/adfm.201606242

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    A hierarchically structured Sb2Se3/reduced graphene oxide (rGO) hybrid, in which Sb2Se3 nanorods are evenly wrapped by rGO nanosheets, has been fabricated as anode material for sodium ion batteries. The reaction mechanism of Sb2Se3 has been investigated by in situ X-ray diffraction, confirming that its high performance is a result of combined Na+ intercalation, conversion, and alloying reaction.

  2. Ultra-Lightweight and Highly Adaptive All-Carbon Elastic Conductors with Stable Electrical Resistance

    Han Wang, Weibang Lu, Jiangtao Di, Da Li, Xiaohua Zhang, Min Li, Zuoguang Zhang, Lianxi Zheng and Qingwen Li

    Version of Record online: 22 FEB 2017 | DOI: 10.1002/adfm.201606220

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    Ultra-lightweight and highly adaptive all-carbon elastic conductors are achieved by the controllable welding of nanotube joints in carbon nanotube foams with amorphous carbon. These conductors show high conductivity and excellent electrical reliability even under severe bending, stretching, and solution soaking, presenting a new type of nonmetal elastic conductor for many potential applications.

  3. Highly Anisotropic Suspended Planar-Array Chips with Multidimensional Sub-Micrometric Biomolecular Patterns

    Juan Pablo Agusil, Núria Torras, Marta Duch, Jaume Esteve, Lluïsa Pérez-García, Josep Samitier and José A. Plaza

    Version of Record online: 22 FEB 2017 | DOI: 10.1002/adfm.201605912

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    Miniaturized silicon-based chips incorporating customized physical and chemical anisotropies for molecular sensing are demonstrated. The microfabrication approach using photolithography dictates their physical anisotropy, while subsequent 2D or 3D chemical modifications extend their functionality by incorporating homogeneous or patterned chemical signatures. The high versatility of the anisotropic chips opens a vast number of applications for future life science applications.

  4. Silver Zeolite Composites-Based LEDs: A Novel Solid-State Lighting Approach

    Koen Kennes, Eduardo Coutino-Gonzalez, Cristina Martin, Wouter Baekelant, Maarten B. J. Roeffaers and Mark Van der Auweraer

    Version of Record online: 21 FEB 2017 | DOI: 10.1002/adfm.201606411

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    The development of innovative, efficient, and cost-effective lighting sources is nowadays of paramount importance. This study describes for the first time the assembly and characterization of silver-exchanged zeolite-based light-emitting diodes (LEDs). A basic, single-layer organic LED architecture is employed in which silver exchanged zeolites are incorporated. The electroluminescence colors are controlled by the silver concentration in the zeolites.

  5. Solution-Processed Low Threshold Vertical Cavity Surface Emitting Lasers from All-Inorganic Perovskite Nanocrystals

    Yue Wang, Xiaoming Li, Venkatram Nalla, Haibo Zeng and Handong Sun

    Version of Record online: 21 FEB 2017 | DOI: 10.1002/adfm.201605088

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    All-inorganic halide perovskite nanocrystals (IPNCs) (CsPbX3, X = Cl, Br, I) based vertical cavity surface emitting laser is realized for the first time. These laser devices operate at a very low threshold, such that quasi-steady-state pumping is feasible. The results highlight the emerging CsPbX3 IPNCs as practical laser media and represent a significant leap toward practically desirable laser devices.