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General Route to Vertical ZnO Nanowire Arrays Using Textured ZnO Seeds

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journal contribution
posted on 13.07.2005, 00:00 by Lori E. Greene, Matt Law, Dawud H. Tan, Max Montano, Josh Goldberger, Gabor Somorjai, Peidong Yang
A method for growing vertical ZnO nanowire arrays on arbitrary substrates using either gas-phase or solution-phase approaches is presented. A ∼10 nm-thick layer of textured ZnO nanocrystals with their c axes normal to the substrate is formed by the decomposition of zinc acetate at 200−350 °C to provide nucleation sites for vertical nanowire growth. The nanorod arrays made in solution have a rod diameter, length, density, and orientation desirable for use in ordered nanorod−polymer solar cells.