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Nat Mater

Title:		Complex and oriented ZnO nanostructures
Author(s):		Tian ZR; Voigt JA; Liu J; McKenzie B; McDermott MJ; Rodriguez MA; Konishi H; Xu H;
Address:		"Materials and Process Sciences Center, Sandia National Laboratories, Albuquerque, New Mexico 87185, USA"
Journal Title:		Nat Mater
Year:		2003
Volume:		20031123
Issue:		12
Page Number:		821 - 826
DOI:		10.1038/nmat1014
ISSN/ISBN:		1476-1122 (Print) 1476-1122 (Linking)
Abstract:		"Extended and oriented nanostructures are desirable for many applications, but direct fabrication of complex nanostructures with controlled crystalline morphology, orientation and surface architectures remains a significant challenge. Here we report a low-temperature, environmentally benign, solution-based approach for the preparation of complex and oriented ZnO nanostructures, and the systematic modification of their crystal morphology. Using controlled seeded growth and citrate anions that selectively adsorb on ZnO basal planes as the structure-directing agent, we prepared large arrays of oriented ZnO nanorods with controlled aspect ratios, complex film morphologies made of oriented nanocolumns and nanoplates (remarkably similar to biomineral structures in red abalone shells) and complex bilayers showing in situ column-to-rod morphological transitions. The advantages of some of these ZnO structures for photocatalytic decompositions of volatile organic compounds were demonstrated. The novel ZnO nanostructures are expected to have great potential for sensing, catalysis, optical emission, piezoelectric transduction, and actuations"
Keywords:		"Anisotropy Citric Acid/*chemistry Crystallization/*methods Crystallography Macromolecular Substances Materials Testing Membranes, Artificial Molecular Conformation Nanotechnology/*instrumentation/*methods Semiconductors Surface Properties Zinc Oxide/chemi;"
Notes:		"MedlineTian, Zhengrong R Voigt, James A Liu, Jun McKenzie, Bonnie McDermott, Matthew J Rodriguez, Mark A Konishi, Hiromi Xu, Huifang eng Evaluation Study Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. England 2003/11/25 Nat Mater. 2003 Dec; 2(12):821-6. doi: 10.1038/nmat1014. Epub 2003 Nov 23"