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    Origin of the phase transition in lithiated molybdenum disulfide

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    Type
    Article
    Authors
    Cheng, Yingchun cc
    Nie, Anmin cc
    Zhang, Qingyun
    Gan, Liyong
    Shahbazian-Yassar, Reza cc
    Schwingenschlögl, Udo cc
    KAUST Department
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2014-11-06
    Online Publication Date
    2014-11-06
    Print Publication Date
    2014-11-25
    Permanent link to this record
    http://hdl.handle.net/10754/563870
    
    Metadata
    Show full item record
    Abstract
    Phase transitions and phase engineering in two-dimensional MoS2 are important for applications in electronics and energy storage. By in situ transmission electron microscopy, we find that H-MoS2 transforms to T-LiMoS2 at the early stages of lithiation followed by the formation of Mo and Li2S phases. The transition from H-MoS2 to T-LiMoS2 is explained in terms of electron doping and electron - phonon coupling at the conduction band minima. Both are essential for the development of two-dimensional semiconductor-metal contacts based on MoS2 and the usage of MoS2 as anode material in Li ion batteries. (Figure Presented).
    Citation
    Cheng, Y., Nie, A., Zhang, Q., Gan, L.-Y., Shahbazian-Yassar, R., & Schwingenschlogl, U. (2014). Origin of the Phase Transition in Lithiated Molybdenum Disulfide. ACS Nano, 8(11), 11447–11453. doi:10.1021/nn505668c
    Sponsors
    Research reported in this publication was supported by the King Abdullah University of Science and Technology (KAUST).
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Nano
    DOI
    10.1021/nn505668c
    PubMed ID
    25375988
    ae974a485f413a2113503eed53cd6c53
    10.1021/nn505668c
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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