Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/100
Title: The galvanoluminescence spectra of barrier oxide films on aluminum formed in organic electrolytes
Authors: Stojadinović, Stevan 
Tadic, M.
Belča, Ivan 
Kasalica, Bećko 
Zeković, Ljubiša 
Keywords: Aluminum;Barrier oxide films;Galvanoluminescence;ICCD
Issue Date: 1-Aug-2007
Journal: Electrochimica Acta
Abstract: 
In this paper, for the first time we have presented the results of the galvanoluminescence (GL) spectra measurement obtained from barrier oxide films during aluminum anodization in various barrier film forming organic electrolytes (aqueous solution of citric acid, tartaric acid, malic acid, succinic acid and ammonium tartarate). Galvanoluminescence spectral measurements were performed utilizing spectrograph system based on the Intensified Charge Coupled Device (ICCD) camera, intended for time-resolved detection of GL phenomena dynamics. The spectra were recorded for different values of electrolyte temperature and anodization current density. We have showed that there are strong GL bands in the visible region and the shape of the spectra as well as peak intensity of the GL bands depend on the anodization voltage. The results cleraly indicate the existance of more then one type of GL centra or GL mechanisms in barrier films formed in organic electrolytes. © 2007 Elsevier Ltd. All rights reserved.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/100
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2007.05.054
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