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We report the detection of an unstable intermediate generated during Br− oxidation to Br3− in nitrobenzene by scanning electrochemical microscopy (SECM), and we attempt to simulate the collection of the intermediate using a proposed mechanism of Br− oxidation to Br3−. At a distance of∼3.5μm between the tip and the substrate electrode in the SECM experiment, we observed two waves as we measured the...
We report the determination of a complete mechanism for the Br−/Br2 reaction in nitrobenzene using simulations of cyclic voltammograms at platinum and glassy carbon macroelectrodes and platinum ultramicroelectrodes at varying scan rates (0.02–500V/s) and concentrations of Br−, Br3−, and Br2 (2.5–20mM). As in other nonaqueous solvents and ionic liquids, we observe two consecutive redox processes at...
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