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Structural and Physical Characterisation of Zinc Oxide Thin Films Prepared from Zinc Acetate via the Sol-gel Method

Published online by Cambridge University Press:  01 February 2011

Shane O'Brien ,
Lee H.K. Koh ,
Mehmet Copuroglu  and
Gabriel M. Crean
Shane O'Brien
Affiliation:
shane.obrien@tyndall.ie, University College Cork, Tyndall National Insistute, Lee Maltings, Prospect row, Cork, Ireland, Ireland
Lee H.K. Koh
Affiliation:
kelly.koh@tyndall.ie, University College Cork, Tyndall National Institute, Lee Maltings, Prospect Row, Cork, N/A, Ireland
Mehmet Copuroglu
Affiliation:
mehmet.copuroglu@tyndall.ie, University College Cork, Tyndall National Institute, Lee Maltings, Prospect Row, Cork, N/A, Ireland
Gabriel M. Crean
Affiliation:
g.crean@ucc.ie, University College Cork, Tyndall National Institute, Lee Maltings, Prospect Row, Cork, N/A, Ireland
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Abstract

The influence of zinc acetate concentration in the range 0.3 – 1.3M and annealing temperature in the range 450 – 550°C on the microstructure of zinc oxide films prepared by the sol-gel method was investigated. Zinc acetate concentration of the sol-gel deposited was found to be the major influence on the microstructure and in particular c-axis or (002) preferred orientation of the resulting film, due to its impact on film thickness, for a single sol-gel deposition employing fixed deposition conditions. Preferentially (002) orientated films were obtained from 0.3M zinc acetate sol-gels. However, an increase in zinc acetate concentration resulted in an increase in film thickness and a loss of preferentially (002) orientation. It was found that thick preferentially (002) oriented films could be produced by using multiple depositions of a 0.7M zinc acetate sol-gel using higher drying temperatures.

Keywords

thin filmsol-gelstructural
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1035: Symposium L – Zinc Oxide and Related Materials–2007 , 2007 , 1035-L05-09
Copyright
Copyright © Materials Research Society 2008

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