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Issue 7, 2013
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Thermodynamic-enabled synthesis of Bi/Bi14Te6 axial heterostructure nanowires

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Abstract

We report thermodynamically controlled multi-segmented nanowires for phonon-glass, electron-crystal materials prepared by on-film formation of nanowires (OFF–ON), which is capable of growing high-quality single-crystalline Bi nanowires by the subsequent sputtering of Te onto the Bi nanowires and by post-annealing. The Bi/Bi14Te6 multi-segmented nanowires exhibit lower thermal conductivities than BixTey compounds, while the electrical conductivities of Bi nanowires and multi-segmented nanowires are similar.

Graphical abstract: Thermodynamic-enabled synthesis of Bi/Bi14Te6 axial heterostructure nanowires

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Article information


Submitted
06 Sep 2012
Accepted
18 Dec 2012
First published
18 Dec 2012

J. Mater. Chem. A, 2013,1, 2395-2400
Article type
Communication

Thermodynamic-enabled synthesis of Bi/Bi14Te6 axial heterostructure nanowires

J. Kang, W. Shim, S. Lee, J. W. Roh, J. Noh, P. W. Voorhees and W. Lee, J. Mater. Chem. A, 2013, 1, 2395
DOI: 10.1039/C2TA00203E

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