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  1. You have full text access to this OnlineOpen article
    Highly Efficient Infrared Photodetection in a Gate-Controllable Van der Waals Heterojunction with Staggered Bandgap Alignment

    Seo-Hyeon Jo, Hae Won Lee, Jaewoo Shim, Keun Heo, Minwoo Kim, Young Jae Song and Jin-Hong Park

    Version of Record online: 18 JAN 2018 | DOI: 10.1002/advs.201700423

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    Highly efficient near infrared (NIR) photodetection based on the interlayer optical transition phenomenon in a van der Waals (vdW) heterojunction structure consisting of ReS2 and ReSe2 is demonstrated. In addition, by applying the gate-control function to the two-terminal vdW heterojunction photodetector, the photoresponsivity is enhanced to 3.64 × 105 A W−1 at λ = 980 nm and 1.58 × 105 A W−1 at λ = 1310 nm.

  2. You have full text access to this OnlineOpen article
    Starting the 5th Volume

    Kirsten Severing

    Version of Record online: 17 JAN 2018 | DOI: 10.1002/advs.201700872

  3. You have full text access to this OnlineOpen article
    High Performance Amplifier Element Realization via MoS2/GaTe Heterostructures

    Xiao Yan, David Wei Zhang, Chunsen Liu, Wenzhong Bao, Shuiyuan Wang, Shijin Ding, Gengfeng Zheng and Peng Zhou

    Version of Record online: 15 JAN 2018 | DOI: 10.1002/advs.201700830

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    High performance amplifier element realization by 2D and 3D integration devices are rarely studied for amplifier circuits. Here Vertical junction transistors with current amplification based on a MoS2/GaTe heterostructure is achieved with a good current transmission coefficient α of ≈0.95 and current gain coefficient β of ≈7 at room temperature.

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    Oxygen-Vacancy Abundant Ultrafine Co3O4/Graphene Composites for High-Rate Supercapacitor Electrodes

    Shuhua Yang, Yuanyue Liu, Yufeng Hao, Xiaopeng Yang, William A. Goddard III, Xiao Li Zhang and Bingqiang Cao

    Version of Record online: 15 JAN 2018 | DOI: 10.1002/advs.201700659

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    A novel one-step laser irradiation route through simultaneous laser-induced reduction and fragmentation to prepare ultrafine Co3O4 nanoparticles/graphene (UCNG) composites is proposed for the first time. Because of the plentiful oxygen vacancies on the ultrafine Co3O4 nanoparticles surface and the tightly anchoring of Co3O4 nanoparticles on graphene, the UCNG composites exhibit outstanding electrochemical performance, especially for high-rate capability (93.7%).

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    First-Principle-Based Phonon Transport Properties of Nanoscale Graphene Grain Boundaries

    Leonardo Medrano Sandonas, Hâldun Sevinçli, Rafael Gutierrez and Gianaurelio Cuniberti

    Version of Record online: 11 JAN 2018 | DOI: 10.1002/advs.201700365

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    Atomistic Green's function technique combined with density functional tight-binding method is used to study quantum phonon transport properties of large graphene (linear and curved) grain boundaries. The influence of defect concentration and temperature at the boundary region on the transport properties is also discussed.

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