Title

Rapid Solid-State Synthesis of Nanostructured Silicon

Authors

Authors

S. K. Bux; M. Rodriquez; M. T. Yeung; C. Yang; A. Makhluf; R. G. Blair; J. P. Fleurial;R. B. Kaner

Comments

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Abbreviated Journal Title

Chem. Mat.

Keywords

METATHESIS REACTIONS; NANOWIRE GROWTH; SURFACE-AREA; PERFORMANCE; DISULFIDE; CARBIDES; ROUTES; OXYGEN; Chemistry, Physical; Materials Science, Multidisciplinary

Abstract

Nanostructured silicon has recently been identified as an attractive material for a wide variety of uses from energy conversion and storage to biological applications Here we present a new, rapid method of producing high-purity, nanostructured, unfunctionalized silicon via solid-state metathesis (SSM) in a matter of seconds The silicon forms in a double displacement reaction between silicon tetraiodide and an alkaline earth suicide precursor. The products are characterized using powder X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy-dispersive spectroscopy (EDS). Depending on the suicide precursor used, two different morphologies are obtained, either nanoparticles or dendritic nanowires. The variations in the morphologies are attributed to differences in the kinetics of the reactions

Journal Title

Chemistry of Materials

Volume

22

Issue/Number

8

Publication Date

1-1-2010

Document Type

Article

Language

English

First Page

2534

Last Page

2540

WOS Identifier

WOS:000276817200017

ISSN

0897-4756

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