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Properties of glassy carbon modified by immersing in metal cation solutions

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1990
Authors
Dekanski, Aleksandar
Marinković, N. S.
Stevanović, Jasmina
Jovanović, Vladislava M.
Laušević, Zoran
Laušević, Mila
Article (Published version)
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Abstract
Glassy carbon (GC) surfaces: 'as produced' in the carbonization process, abrased and oxidized were studied using AES, XPS and cyclic voltammetry. Evidence for the existence of an outer sheath formed during carbonization, having chemical structure and electrochemical properties different from the bulk of the GC samples has been found. Samples with outer sheath and samples where it was removed by abrasion and/or electrochemical oxidation have been modified by immersing into AgNO3 solution for about 30 days. A deposit of metallic silver has been observed on the surface of all samples.
Keywords:
Acid Solution Immersion Treatment / Carbon Electrode Surface Modification / Carbon--Surface Treatment / Chemical Reactions--Oxidation / Cyclic Voltammetry / Electrochemical Oxidation / Electrodes / Glassy Carbon Electrodes / Spectroscopy / Spectroscopy / Surfaces--Spectroscopic Analysis / Electrochemical / Auger Electron--Applications / Photoelectron--Applications
Source:
Vacuum, 1990, 41, 7-9, 1772-1775

DOI: 10.1016/0042-207X(90)94082-2

ISSN: 0042-207X

Scopus: 2-s2.0-0025664824
[ Google Scholar ]
9
URI
2-s2.0-0025664824
http://cer.ihtm.bg.ac.rs/handle/123456789/3657
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