期刊
ACS NANO
卷 8, 期 11, 页码 11447-11453出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn505668c
关键词
phase transition; dichalcogenide; electron-phonon coupling; battery
类别
资金
- King Abdullah University of Science and Technology (KAUST)
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 electronphonon 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.
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