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Nickel particle-enabled width-controlled growth of bilayer molybdenum disulfide nanoribbons.


ABSTRACT: [Figure: see text].

SUBMITTER: Li X 

PROVIDER: S-EPMC8664269 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Nickel particle-enabled width-controlled growth of bilayer molybdenum disulfide nanoribbons.

Li Xufan X   Li Baichang B   Lei Jincheng J   Bets Ksenia V KV   Sang Xiahan X   Okogbue Emmanuel E   Liu Yang Y   Unocic Raymond R RR   Yakobson Boris I BI   Hone James J   Harutyunyan Avetik R AR  

Science advances 20211210 50


Transition metal dichalcogenides exhibit a variety of electronic behaviors depending on the number of layers and width. Therefore, developing facile methods for their controllable synthesis is of central importance. We found that nickel nanoparticles promote both heterogeneous nucleation of the first layer of molybdenum disulfide and simultaneously catalyzes homoepitaxial tip growth of a second layer via a vapor-liquid-solid (VLS) mechanism, resulting in bilayer nanoribbons with width controlled  ...[more]

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