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MODELLING THE GROWTH OF ZINC OXIDE NANOSTRUCTURES

Part of: Partial differential equations, initial value and time-dependent initial-boundary value problems

Published online by Cambridge University Press:  03 November 2009

JADE R. MACKAY ,
STEPHEN P. WHITE  and
SHAUN C. HENDY
JADE R. MACKAY*
Affiliation:
MacDiarmid Institute, School of Chemical and Physical Sciences, Victoria University, Wellington, New Zealand (email: [email protected])
STEPHEN P. WHITE
Affiliation:
Industrial Research Limited, Lower Hutt, New Zealand (email: [email protected], [email protected])
SHAUN C. HENDY
Affiliation:
MacDiarmid Institute, School of Chemical and Physical Sciences, Victoria University, Wellington, New Zealand (email: [email protected]) Industrial Research Limited, Lower Hutt, New Zealand (email: [email protected], [email protected])
*
✉For correspondence; e-mail: [email protected]
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Abstract

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Zinc oxide is known to produce a wide variety of nanostructures that show promise for a number of applications. The use of electrochemical deposition techniques for growing ZnO nanostructures can allow tight control of the morphology of ZnO through the wide range of deposition parameters available. Here we model the growth of the rods under typical electrochemical conditions, using the Nernst–Planck equations in two dimensions to predict the growth rate and morphology of the nanostructures as a function of time. Generally good quantitative and qualitative agreement is found between the model predictions and recent experimental results.

Keywords

crystal growthelectrochemistryzinc oxideZnONernst–Plancksimulationmodelfinite difference

MSC classification

Secondary: 65M06: Finite difference methods
Type
Research Article
Information
The ANZIAM Journal , Volume 50 , Issue 3: This Special Issue is dedicated to Dr Stephen White , January 2009 , pp. 395 - 406
Copyright
Copyright © Australian Mathematical Society 2009

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