Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 150, Issue 3, Pages 187-193Publisher
ELSEVIER
DOI: 10.1016/j.mseb.2008.05.014
Keywords
semiconductors; zinc oxide; diffraction; electron microscopy; optical properties
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A facile microwave hydrothermal (M-H) solution route employing the reaction of Zn(NO3)(2)center dot 6H(2)O and NaOH under hydrothermal conditions has been demonstrated to successfully synthesize a single-crystal zinc oxide (ZnO) one-dimensional nanostructure (ODNS) with a novel three-dimensional (3D) morphology. The microwave plays an important role and is necessary for the synthesis of ZnO with the complex nanostructure. The formation mechanism of this complex nanostructure is proposed. A Fed shift of the absorption edge of nano-ZnO is also observed. The absence of metal catalyst, template or surfactant in this method avoids the subsequent complicated workup for the removal of the residual additives. Furthermore, a substantial reduction in the reaction time as well as the reaction temperature is observed compared with the hydrothermal process. (c) 2008 Elsevier B.V. All rights reserved.
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