Title

Nanofabrication and characterization of ZnO nanorod arrays and branched microrods by aqueous solution route and rapid thermal processing

Authors

Authors

O. Lupan; L. Chow; G. Y. Chai; B. Roldan; A. Naitabdi; A. Schulte;H. Heinrich

Comments

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Abbreviated Journal Title

Mater. Sci. Eng. B-Solid State Mater. Adv. Technol.

Keywords

ZnO nanorod; branched microrods; nanofabrication; transferable; nanoarchitectures; ROOM-TEMPERATURE; SOLAR-CELLS; ZINC-OXIDE; SOLVOTHERMAL ROUTE; OPTICAL-PROPERTIES; VAPOR-DEPOSITION; THIN-FILMS; GROWTH; XPS; NANOWIRES; Materials Science, Multidisciplinary; Physics, Condensed Matter

Abstract

This paper presents an inexpensive and fast fabrication method for one-dimensional (1D) ZnO nanorod arrays and branched two-dimensional (2D), three-dimensional (3D) - nanoarchitectures. Our synthesis technique includes the use of an aqueous solution route and post-growth rapid thermal annealing. It permits rapid and controlled growth of ZnO nanorod arrays of 1D - rods, 2D - crosses, and 3D - tetrapods without the use of templates or seeds. The obtained ZnO nanorods are uniformly distributed on the surface of Si substrates and individual or branched nano/microrods can be easily transferred to other substrates. Process parameters such as concentration, temperature and time, type of substrate and the reactor design are critical for the formation of nanorod arrays with thin diameter and transferable nanoarchitectures. X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, transmission electron microscopy and Micro-Raman spectroscopy have been used to characterize the samples. (C) 2007 Elsevier B.V. All rights reserved.

Journal Title

Materials Science and Engineering B-Solid State Materials for Advanced Technology

Volume

145

Issue/Number

1-3

Publication Date

1-1-2007

Document Type

Article

Language

English

First Page

57

Last Page

66

WOS Identifier

WOS:000252194900010

ISSN

0921-5107

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