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Nanotechnology. 2008 Aug 13;19(32):325603. doi: 10.1088/0957-4484/19/32/325603. Epub 2008 Jul 2.

Large-area self-catalysed and selective growth of ZnO nanowires.

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IMEM-CNR, Parco Area delle Scienze 37/A, 43100 Parma, Italy.


A simple procedure to selectively grow zinc oxide nanowires (ZnO NWs) on a large scale without any catalyst is reported. The process is based on the use of a zinc metal layer deposited onto substrates before the NW growth. The zinc layer, which becomes liquid at the synthesis temperature, favours the correct local conditions for a selective growth of pure ZnO NWs in an effective area of several square centimetres (up to 20 cm(2) in our laboratory-scale reactor). The proposed method is suitable for patterned ZnO NW synthesis.

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