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Plasma chloriding of thin-film silver - A novel process in silver-silver chloride reference electrode fabrication

Escoffier, C, Maguire, PD, Mahony, CMO, Graham, WG, McAdams, ET and McLaughlin, JAD (2002) Plasma chloriding of thin-film silver - A novel process in silver-silver chloride reference electrode fabrication. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 149 (4). H98-H102. [Journal article]

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DOI: 10.1149/1.1457989

Abstract

Silver thin films were modified using a novel plasma modification process for the development of thin-film silver-silver chloride reference electrodes. The surface, physical, and electrochemical properties of these electrodes were investigated by atomic force microscopy, thickness and resistivity measurement techniques, as well as impedance spectroscopy and potentiometry. After plasma treatment, thin-film growth was observed and the electrodes, in general, exhibited low interface impedance and a roughened surface. Evidence of a complex surface reorganization was found. Correlating plasma conditions with film properties suggested that increasing pressure and exposure duration increased species availability, therefore governing the reaction rates, while input power appeared to influence the type of surface chemical reactions. Results also indicated that Ar/Cl-2 mixtures should be employed rather than pure chlorine plasmas. (C) 2002 The Electrochemical Society.

Item Type:Journal article
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:304
Deposited By: Mrs Ann Blair
Deposited On:14 Sep 2009 08:51
Last Modified:07 Mar 2012 14:05

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