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Charge-Transfer Interaction between Few-Layer MoS2 and Tetrathiafulvalene

Authors

  • Sunita Dey,

    1. Chemistry and Physics of Materials Unit, International Centre for Materials Science (ICMS) and CSIR Centre of Excellence in Chemistry, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore-560 064 (India)
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  • H. S. S. Ramakrishna Matte,

    1. Chemistry and Physics of Materials Unit, International Centre for Materials Science (ICMS) and CSIR Centre of Excellence in Chemistry, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore-560 064 (India)
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  • Sharmila N. Shirodkar,

    1. Theoretical Sciences Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore- 560 064 (India)
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  • Prof. Umesh V. Waghmare,

    1. Theoretical Sciences Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore- 560 064 (India)
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  • Prof. C. N. R. Rao

    Corresponding author
    1. Chemistry and Physics of Materials Unit, International Centre for Materials Science (ICMS) and CSIR Centre of Excellence in Chemistry, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore-560 064 (India)
    • Chemistry and Physics of Materials Unit, International Centre for Materials Science (ICMS) and CSIR Centre of Excellence in Chemistry, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore-560 064 (India)

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Abstract

original image

Graphene look-alike: MoS2 has a layered structure similar to graphene. Tetrathiafulvalene (TTF) interacts with thin, few-layer MoS2 material by donating an electron, resulting in the formation of TTF radical cation and n-type doping of MoS2. Electron-withdrawing tetracyanoethylene, in contrast, does not cause p-type doping in MoS2.

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