General Route to Vertical ZnO Nanowire Arrays Using Textured ZnO Seeds

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 prov...

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Veröffentlicht in:	Nano letters 2005-07, Vol.5 (7), p.1231-1236
Hauptverfasser:	Greene, Lori E, Law, Matt, Tan, Dawud H, Montano, Max, Goldberger, Josh, Somorjai, Gabor, Yang, Peidong
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Applied sciences Condensed matter: structure, mechanical and thermal properties Crystallization - methods Electric Power Supplies Electric Wiring Electronics Exact sciences and technology Materials Testing Microelectronic fabrication (materials and surfaces technology) Molecular Conformation Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Nanotechnology - instrumentation Nanotechnology - methods Nanotubes - analysis Nanotubes - chemistry Nanotubes - ultrastructure Particle Size Physics Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Structure of solids and liquids crystallography Surface Properties Zinc Oxide - chemistry
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Zusammenfassung:	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.
ISSN:	1530-6984 1530-6992
DOI:	10.1021/nl050788p