Affiliation:
1. Eötvös Loránd University, Institute of Chemistry, Department of Physical Chemistry, Budapest, Hungary
Abstract
The electrochemical quartz crystal nanobalance has been used to study the
redox behavior of palladium phthalocyanine microcrystals attached to gold and
platinum in aqueous solutions at different pH values. In order to investigate
the substrate effect, paraffin impregnated graphite electrodes were also
applied. It was found that the redox transformations of palladium
phthalocyanine are accompanied with deprotonation-protonation as well as the
sorption and desorption of counterions, respectively, the extent of which
depends on the pH. Based on the results of the nanogravimetric measurements,
a redox mechanism describing also the pH dependence is suggested.
Simultaneously with the charge transfer processes, solid-solid phase
transitions and water transport occur.
Publisher
National Library of Serbia
Cited by
5 articles.
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