Ionothermal Synthesis of Few-Layer Nanostructures of Bi2Se3 and Related Materials

Authors

  • Manoj K. Jana,

    1. New Chemistry Unit, International Centre of Materials Science and Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064 (India)
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  • Dr. Kanishka Biswas,

    Corresponding author
    1. New Chemistry Unit, International Centre of Materials Science and Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064 (India)
    • New Chemistry Unit, International Centre of Materials Science and Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064 (India)
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  • Prof. Dr. C. N. R. Rao

    Corresponding author
    1. New Chemistry Unit, International Centre of Materials Science and Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064 (India)
    • New Chemistry Unit, International Centre of Materials Science and Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064 (India)
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Abstract

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Ionothermal synthesis: Ultrathin (∼4 nm) few-layer nanostructures of Bi2Se3 and related chalcogenides have been prepared by green ionothermal synthesis. The ionic liquid acts as an intercalating and stabilizing agent in addition to being an efficient solvent for the synthesis of few-layer Bi2Se3 (see figure). High electrical conductivity and minimal thermal conductivity optimize the thermoelectric properties of few-layer Bi2Se3.

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