Abstract
A thin layer of iron nanoparticles coated tightly with carbon was used to modify glassy carbon electrode. As a result an increase in voltammetric peak current of ferroceneacetate anion by circa 30% was seen; this was due to an increase in real electrode area. Further increase, to 62%, took place after the application of a relatively low (3.4mT or 34Gs) magnetic field, and finally, in all following scans, starting from the second one, the voltammetric peaks were higher by 165% compared to those for the bare electrode. The latter effect was caused by the interactions between the paramagnetic molecules and the non-uniform magnetic field. The magnetic effect was found to depend on the concentration of electroactive species.
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