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Title: Self-assembly and selected area growth of zinc oxide nanorods on any surface promoted by an aluminum precoat
Authors: Koh, Y.W.
Lin, M.
Tan, C.K. 
Foo, Y.L.
Loh, K.P. 
Issue Date: 5-Aug-2004
Citation: Koh, Y.W., Lin, M., Tan, C.K., Foo, Y.L., Loh, K.P. (2004-08-05). Self-assembly and selected area growth of zinc oxide nanorods on any surface promoted by an aluminum precoat. Journal of Physical Chemistry B 108 (31) : 11419-11425. ScholarBank@NUS Repository.
Abstract: We demonstrate a simple method to direct the self-assembly of ZnO nanorods on flat and curved surfaces in hydrothermal synthesis by precoating the substrate with a thin film of aluminum (Al). The Al was transformed in the alkali hydrothermal environment into hydrotalcite-like zinc aluminum carbonate sheets, which provide a lattice-matched substrate for the self-assembly of ZnO nanorods. Selective growth of ZnO nanorods on the Al-patterned substrate as well as the high-density coating of carbon nanotubes by ZnO nanorods along the tangential and radial walls has been demonstrated using hydrothermal synthesis. The interfacial chemistry involved in the growth of ZnO and hydrotalcite-like zinc aluminum carbonate sheets is also discussed.
Source Title: Journal of Physical Chemistry B
ISSN: 15206106
DOI: 10.1021/jp049134f
Appears in Collections:Staff Publications

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