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Recently Published Articles

  1. A Tetraphenylethylene Core-Based 3D Structure Small Molecular Acceptor Enabling Efficient Non-Fullerene Organic Solar Cells

    Yuhang Liu, Cheng Mu, Kui Jiang, Jingbo Zhao, Yunke Li, Lu Zhang, Zhengke Li, Joshua Yuk Lin Lai, Huawei Hu, Tingxuan Ma, Rongrong Hu, Demei Yu, Xuhui Huang, Ben Zhong Tang and He Yan

    Article first published online: 27 NOV 2014 | DOI: 10.1002/adma.201404152

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    A tetraphenylethylene core-based small molecular acceptor with a unique 3D molecular structure is developed. Bulk-hetero­jucntion blend films with a small feature size (≈20 nm) are obtained, which lead to non-fullerene organic solar cells (OSCs) with 5.5% power conversion efficiency. The work provides a new molecular design approach to efficient non-fullerene OSCs based on 3D-structured small-molecule acceptors.

  2. Organic Solar Cells Using a High-Molecular-Weight Benzodithiophene–Benzothiadiazole Copolymer with an Efficiency of 9.4%

    Jegadesan Subbiah, Balaji Purushothaman, Ming Chen, Tianshi Qin, Mei Gao, Doojin Vak, Fiona H. Scholes, Xiwen Chen, Scott E. Watkins, Gerard J. Wilson, Andrew B. Holmes, Wallace W. H. Wong and David J. Jones

    Article first published online: 27 NOV 2014 | DOI: 10.1002/adma.201403080

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    A high molecular weight donor–acceptor conjugated polymer is synthesized using Suzuki polycondensation method. Using this polymer, a single junction bulk heterojunction solar cell is fabricated giving a power conversion efficiency of 9.4% using a fullerene-modified ZnO interlayer at the cathode contact.

  3. Tailoring Functional Interlayers in Organic Field-Effect Transistor Biosensors

    Maria Magliulo, Kyriaki Manoli, Eleonora Macchia, Gerardo Palazzo and Luisa Torsi

    Article first published online: 27 NOV 2014 | DOI: 10.1002/adma.201403477

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    Biomaterials are successfully integrated in OTFT devices as biorecognition elements to develop ultrasensitive label-free electronic biosensors or as gating materials to obtain highly performing devices.

  4. Active Micro-Actuators for Optical Modulation Based on a Planar Sliding Triboelectric Nanogenerator

    Chi Zhang, Wei Tang, Yaokun Pang, Changbao Han and Zhong Lin Wang

    Article first published online: 27 NOV 2014 | DOI: 10.1002/adma.201404291

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    Based on a triboelectric nanogenerator (TENG) the first active micro-actuator for optical modulation driven by mechanical energy without external power or mechanical joint is presented. This demonstrates the enormous potential of TENGs for independent and sustainable self-powered micro/nano electromechanical systems, and opens up new ­applications of TENGs in triboelectric-voltage-controlled devices.

  5. Superelastic Supercapacitors with High Performances during Stretching

    Zhitao Zhang, Jue Deng, Xueyi Li, Zhibin Yang, Sisi He, Xuli Chen, Guozhen Guan, Jing Ren and Huisheng Peng

    Article first published online: 25 NOV 2014 | DOI: 10.1002/adma.201404573

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    A fiber-shaped supercapacitor that can be stretched over 400% is developed by using two aligned carbon nanotube/polyaniline composite sheets as electrodes. A high specific capacitance of approximately 79.4 F g−1 is well maintained after stretching at a strain of 300% for 5000 cycles or 100.8 F g−1 after bending for 5000 cycles at a current density of 1 A g−1. In particular, the high specific capacitance is maintained by 95.8% at a stretching speed as high as 30 mm s−1.

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