Description:

Researchers have demonstrated 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-treated 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.

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