Flow assisted synthesis of highly ordered silica nanowire arrays

Chaoyi Yan; Tao Zhang; Pooi See Lee

doi:10.1007/s00339-008-4974-4

Flow assisted synthesis of highly ordered silica nanowire arrays

Chaoyi Yan, Tao Zhang, Pooi See Lee

Nanyang Technological University

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Silica nanowires were synthesized through a self-supplied vapor-liquid-solid (VLS) mechanism. Unlike randomly entangled nanowires on the substrate, highly ordered nanowire arrays have been successfully fabricated using a sandwich-like configuration to define and enhance the local gas-flow. As-synthesized nanowires were characterized to be amorphous silicon dioxide with Au as catalysts. The role of the sandwich-like structure and the effect of gas-flow on the alignment of silica nanowires are demonstrated.

Original language	English
Pages (from-to)	763-766
Number of pages	4
Journal	Applied Physics A: Materials Science and Processing
Volume	94
Issue number	4
DOIs	https://doi.org/10.1007/s00339-008-4974-4
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus Subject Areas

General Chemistry
General Materials Science

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10.1007/s00339-008-4974-4

Cite this

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abstract = "Silica nanowires were synthesized through a self-supplied vapor-liquid-solid (VLS) mechanism. Unlike randomly entangled nanowires on the substrate, highly ordered nanowire arrays have been successfully fabricated using a sandwich-like configuration to define and enhance the local gas-flow. As-synthesized nanowires were characterized to be amorphous silicon dioxide with Au as catalysts. The role of the sandwich-like structure and the effect of gas-flow on the alignment of silica nanowires are demonstrated.",

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AB - Silica nanowires were synthesized through a self-supplied vapor-liquid-solid (VLS) mechanism. Unlike randomly entangled nanowires on the substrate, highly ordered nanowire arrays have been successfully fabricated using a sandwich-like configuration to define and enhance the local gas-flow. As-synthesized nanowires were characterized to be amorphous silicon dioxide with Au as catalysts. The role of the sandwich-like structure and the effect of gas-flow on the alignment of silica nanowires are demonstrated.

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Flow assisted synthesis of highly ordered silica nanowire arrays

Abstract

ASJC Scopus Subject Areas

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