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Issue 31, 2018
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Fast growth of undoped and Sn- and Tb-doped ZnO nanowires by Joule heating of Zn

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Abstract

Joule heating of Zn wires by flowing a high electric current density has been used to grow, in times as short as tens of seconds, undoped and Sn- or Tb-doped ZnO nanowires. The contact of tin oxide powder with the starting Zn wire during heating leads to the growth of branched ZnO nanostructures by a catalytic effect of Sn. The growth treatment in the presence of terbium oxide gives rise to a complex ZnO arrangement of nanoparticles attached to nanowires, which show luminescence emission of Tb3+ transition due to the incorporation of a small amount of Tb into the ZnO nanoparticles during the growth process. The contribution of electromigration, associated with the high electric current density, to the rapid growth of the nanowires, as compared with other thermal-based techniques, is discussed.

Graphical abstract: Fast growth of undoped and Sn- and Tb-doped ZnO nanowires by Joule heating of Zn

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Publication details

The article was received on 21 May 2018, accepted on 02 Jul 2018 and first published on 03 Jul 2018


Article type: Paper
DOI: 10.1039/C8CE00838H
Citation: CrystEngComm, 2018,20, 4449-4454
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    Fast growth of undoped and Sn- and Tb-doped ZnO nanowires by Joule heating of Zn

    A. Urbieta, V. Sánchez, P. Fernández and J. Piqueras, CrystEngComm, 2018, 20, 4449
    DOI: 10.1039/C8CE00838H

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