Flow assisted synthesis of highly ordered silica nanowire arrays |
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Authors: | Chaoyi Yan Tao Zhang Pooi See Lee |
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Affiliation: | (1) School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore |
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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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Keywords: | KeywordHeading" >PACS 61.46.Km 71.55.Jv 81.07.-b 81.16.Hc |
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