Applied Physics A

, Volume 94, Issue 4, pp 763–766

Flow assisted synthesis of highly ordered silica nanowire arrays

Article

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.

PACS

61.46.Km 71.55.Jv 81.07.-b 81.16.Hc 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringNanyang Technological UniversitySingaporeSingapore

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