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J Am Chem Soc. 2008 Nov 12;130(45):14958-9. doi: 10.1021/ja806952j. Epub 2008 Oct 16.

Patterned growth of vertically aligned ZnO nanowire arrays on inorganic substrates at low temperature without catalyst.

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School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.


We report an approach for growing aligned ZnO nanowire arrays with a high degree control over size, orientation, dimensionality, uniformity, and possibly shape. Our method combines e-beam lithography and a low temperature hydrothermal method to achieve patterned and aligned growth of ZnO NWs at <100degreesC on general inorganic substrates, such as Si and GaN, without using catalyst. This approach opens up the possibility of applying ZnO nanowires as sensor arrays, piezoelectric antenna arrays, two-dimensional photonic crystals, IC interconnects, and nanogenerators.

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