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Issue 57, 2017
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Room-temperature growth of colloidal Bi2Te3 nanosheets

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In this work, we report the colloidal synthesis of Bi2Te3 nanosheets with controlled thickness, morphology and crystallinity at temperatures as low as 20 °C. Grown at room temperature, Bi2Te3 exhibits two-dimensional morphology with thickness of 4 nm and lateral size of 200 nm. Upon increasing the temperature to 170 °C, the nanosheets demonstrate increased thickness of 16 nm and lateral dimensions of 600 nm where polycrystalline nanosheets (20 °C) are replaced by single crystal platelets (170 °C). Rapid synthesis of the material at moderately low temperatures with controllable morphology, crystallinity and consequently electrical and thermal properties can pave the way toward its large-scale production for practical applications.

Graphical abstract: Room-temperature growth of colloidal Bi2Te3 nanosheets

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The article was received on 24 Apr 2017, accepted on 26 Jun 2017 and first published on 27 Jun 2017

Article type: Communication
DOI: 10.1039/C7CC03151C
Chem. Commun., 2017,53, 8026-8029

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    Room-temperature growth of colloidal Bi2Te3 nanosheets

    M. S. Sokolikova, P. C. Sherrell, P. Palczynski, V. L. Bemmer and C. Mattevi, Chem. Commun., 2017, 53, 8026
    DOI: 10.1039/C7CC03151C

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