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Journal of Nanomaterials
Volume 2015, Article ID 204296, 8 pages
Research Article

Characterization of the Oxides Present in a Polydimethylsiloxane Layer Obtained by Polymerisation of Its Liquid Precursor in Corona Discharge

National Institute of Lasers, Plasma and Radiation Physics, Bucharest, 077125 Măgurele, Romania

Received 20 August 2014; Accepted 28 September 2014

Academic Editor: Daniela Predoi

Copyright © 2015 A. Groza and A. Surmeian. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


By combining the reflection-absorption infrared spectral studies with the peak fitting analysis we determined the type of the silicon oxides present in polydimethylsiloxane layers obtained on germanium and aluminium substrates in corona discharges. We have also evidenced that the dependence of silicon oxides density on the corona discharge current intensity is related to the existence of a concurrent anodizing process occurring at the polymer/Al substrate interface. The morphology of the Al substrate surface investigated by scanning electron microscopy proved that the anodizing process occurs.