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Issue 24, 2017
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Colloidal synthesis of silicon nanoparticles in molten salts

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Abstract

Silicon nanoparticles are unique materials with applications in a variety of fields, from electronics to catalysis and biomedical uses. Despite technological advancements in nanofabrication, the development of a simple and inexpensive route for the synthesis of homogeneous silicon nanoparticles remains highly challenging. Herein, we describe a new, simple and inexpensive colloidal synthetic method for the preparation, under normal pressure and mild temperature conditions, of relatively homogeneous spherical silicon nanoparticles of either ca. 4 or 6 nm diameter. The key features of this method are the selection of a eutectic salt mixture as a solvent, the identification of appropriate silicon alkoxide precursors, and the unconventional use of alkali earth metals as shape-controlling agents.

Graphical abstract: Colloidal synthesis of silicon nanoparticles in molten salts

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Publication details

The article was received on 15 Mar 2017, accepted on 12 May 2017 and first published on 16 May 2017


Article type: Paper
DOI: 10.1039/C7NR01839H
Citation: Nanoscale, 2017,9, 8157-8163
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    Colloidal synthesis of silicon nanoparticles in molten salts

    A. Shavel, L. Guerrini and R. A. Alvarez-Puebla, Nanoscale, 2017, 9, 8157
    DOI: 10.1039/C7NR01839H

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