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Proceedings Paper

Solution methods for synthesis of various oxide nanostructures
Author(s): Dan Li; Yu Hang Leung; Aleksandra B. Djurisic; Mao Hai Xie; Wai Kin Chan
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Paper Abstract

Oxide nanostructures can be prepared by various kinds of methods like thermal evaporation, vapor phase epitaxy, chemical synthesis, etc. Among various synthesis methods, hydrothermal method is of interest because it is simple and environmentally friendly. Also, it is performed at relatively low temperatures (<150C), which is a significant advantage for device fabrication, in particular for hybrid organic/inorganic devices on flexible plastic substrates. In this work, nanostructures of various kinds of oxides: ZnO, CuO, NiO, and Ga2O3 were fabricated from aqueous solutions of the respective metal nitrate hydrate and hexamethylenetetramine. The obtained nanostructures were examined by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The influence of solution concentration, synthesis temperature, and solution pH value on the obtained morphology and properties was investigated. Growth mechanisms and the factors affecting the structures of the investigated metal oxide nanostructures are discussed.

Paper Details

Date Published: 12 September 2005
PDF: 8 pages
Proc. SPIE 5925, Nanophotonic Materials and Systems II, 59250G (12 September 2005); doi: 10.1117/12.614050
Show Author Affiliations
Dan Li, The Univ. of Hong Kong (Hong Kong China)
Yu Hang Leung, The Univ. of Hong Kong (Hong Kong China)
Aleksandra B. Djurisic, The Univ. of Hong Kong (Hong Kong China)
Mao Hai Xie, The Univ. of Hong Kong (Hong Kong China)
Wai Kin Chan, The Univ. of Hong Kong (Hong Kong China)

Published in SPIE Proceedings Vol. 5925:
Nanophotonic Materials and Systems II
Zeno Gaburro; Stefano Cabrini, Editor(s)

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