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Issue 4, 2003
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Ultrasonic synthesis of nanocrystals of metal selenides and tellurides

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Abstract

A mild sonochemical route was used to prepare Bi2Te3 nanocrystals, and Bi2Se2Te and Bi2SeTe2 ternary nano-alloys in aqueous solution; an interfacial mechanism for this sonochemical reaction is discussed. The basic thermoelectric properties (Seebeck coefficient) of the as-prepared nanocrystals were studied, and this simple, easy and efficient synthetic route may further encourage wider application of bismuth telluride-based alloys in solid state thermoelectric cooling devices. Furthermore, the adopted synthetic route was extended to the preparation of other nanocrystals with uniform morphologies, as well as some common but useful semiconductors.

Graphical abstract: Ultrasonic synthesis of nanocrystals of metal selenides and tellurides

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Publication details

The article was received on 14 Oct 2002, accepted on 22 Jan 2003 and first published on 19 Feb 2003


Article type: Paper
DOI: 10.1039/B210077K
Citation: J. Mater. Chem., 2003,13, 911-915
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    Ultrasonic synthesis of nanocrystals of metal selenides and tellurides

    J. Ge and Y. Li, J. Mater. Chem., 2003, 13, 911
    DOI: 10.1039/B210077K

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