The effect of bath temperature on the electrodeposition of zinc oxide thin films via an acetate medium

A. I. Inamdar, S. H. Mujawar, S. R. Barman, P. N. Bhosale, P. S. Patil

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38 Scopus citations

Abstract

The temperature-dependent nucleation and growth mechanism of electrodeposited zinc oxide (ZnO) thin films on fluorine-doped tin-oxide-coated (10-20 Ω cm-2) glass substrates from an acetate solution was studied by using the chronoamperometry technique. The morphological, compositional and structural properties were studied by scanning electron microscopy (SEM), x-ray photoelectron spectroscopy (XPS) and x-ray diffraction techniques. The current transients were analyzed by fitting chronoamperometric data into the Scharifker-Hills nucleation model, which reveals a change in the nucleation and growth mechanism from progressive to intermediate (progressive + instantaneous) to instantaneous with a rise in bath temperature (from 25°C to 75°C). The SEM study showed hexagonal grains for the films obtained at 35°C. The x-ray diffraction spectra revealed the formation of phase-pure ZnO thin films. The chemical state of the deposit was confirmed by XPS measurements.

Original languageEnglish
Pages (from-to)85013
Number of pages1
JournalSemiconductor Science and Technology
Volume23
Issue number8
DOIs
StatePublished - 1 Aug 2008

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