Rapid Solid-State Synthesis of Nanostructured Silicon

被引：18

作者：

Bux, Sabah K. ^{[1
,2
]}

Rodriquez, Marc ^{[1
,2
]}

Yeung, Michael T. ^{[1
,2
]}

Yang, Crystal ^{[1
,2
]}

Makhluf, Adam ^{[1
,2
]}

Blair, Richard G. ^{[4
]}

Fleurial, Jean-Pierre ^{[3
]}

Kaner, Richard B. ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[4] Univ Cent Florida, Dept Chem, Orlando, FL 32816 USA

来源：

CHEMISTRY OF MATERIALS | 2010年 / 22卷 / 08期

基金：

美国国家科学基金会;

关键词：

METATHESIS ROUTES; NANOWIRE GROWTH; SURFACE-AREA; PERFORMANCE;

D O I：

10.1021/cm903410s

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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

引用

页码：2534 / 2540

页数：7

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