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Flow assisted synthesis of highly ordered silica nanowire arrays

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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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Authors and Affiliations

  1. School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore

    Chaoyi Yan, Tao Zhang & Pooi See Lee

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  1. Chaoyi Yan
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  2. Tao Zhang
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  3. Pooi See Lee
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Correspondence to Pooi See Lee.

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Yan, C., Zhang, T. & Lee, P.S. Flow assisted synthesis of highly ordered silica nanowire arrays. Appl. Phys. A 94, 763–766 (2009). https://doi.org/10.1007/s00339-008-4974-4

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  • DOI: https://doi.org/10.1007/s00339-008-4974-4

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