Facile and scalable synthesis of Ti5Si3 nanoparticles in molten salts for metal-matrix nanocomposites

Marc Estruga; Steven N. Girard; Qi Ding; Lianyi Chen; Xiaochun Li; Song Jin

doi:10.1039/C3CC48168A

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Facile and scalable synthesis of Ti₅Si₃ nanoparticles in molten salts for metal-matrix nanocomposites†

Marc Estruga,^a Steven N. Girard,^a Qi Ding,^a Lianyi Chen,^b Xiaochun Li^b and Song Jin*^a

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* Corresponding authors

^a Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin, USA
E-mail: jin@chem.wisc.edu
Tel: +1-608-262-1562

^b Department of Mechanical Engineering, University of Wisconsin-Madison, 1513 University Avenue, Madison, Wisconsin, USA

Abstract

We report a novel synthesis of Ti₅Si₃ nanoparticles (NPs) via the magnesio-reduction of TiO₂ NPs and SiO₂ in eutectic LiCl–KCl molten salts at 700 °C. The Ti₅Si₃ particle size (∼25 nm) is confined to the nanoscale due to the partial dissolution of Mg and silica in the molten salts and a subsequent heterogeneous reduction on the surface of the TiO₂ NPs.

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Article information

DOI: https://doi.org/10.1039/C3CC48168A
Article type: Communication
Submitted: 25 Oct 2013
Accepted: 28 Nov 2013
First published: 29 Nov 2013

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Chem. Commun., 2014,50, 1454-1457

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Facile and scalable synthesis of Ti₅Si₃ nanoparticles in molten salts for metal-matrix nanocomposites

M. Estruga, S. N. Girard, Q. Ding, L. Chen, X. Li and S. Jin, Chem. Commun., 2014, 50, 1454 DOI: 10.1039/C3CC48168A

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Chemical Communications