Iffelsberger, Christian and Raith, Timo and Vatsyayan, Preety and Vyskocil, Vlastimil and Matysik, Frank-Michael (2018) Detection and imaging of reactive oxygen species associated with the electrochemical oxygen evolution by hydrodynamic scanning electrochemical microscopy. ELECTROCHIMICA ACTA, 281. pp. 494-501. ISSN 0013-4686, 1873-3859
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Hydrodynamic scanning electrochemical microscopy (SECM) was applied for the characterization of Pt and boron-doped diamond (BDD) macroelectrodes operated in a potential region producing reactive oxygen species (ROS) during oxygen evolution reaction (OER). Forced convection introduced by high-precision stirring enabled the formation of a stable diffusion layer of electrochemically produced species and tip-substrate voltammetry was used for the detection of different ROS species produced during OER at BDD. Hydrodynamic SECM imaging in substrate generation/tip collection mode revealed local differences in the production of the ROS species across the BDD electrode surface. (c) 2018 Elsevier Ltd. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | DOPED DIAMOND ELECTRODES; ADVANCED OXIDATION PROCESSES; HYDROXYL RADICALS; FENTON REACTION; WATER-TREATMENT; FEEDBACK MODE; REDUCTION; SECM; INTERROGATION; PLATINUM; Boron-doped diamond; Hydrodynamic scanning electrochemical microscopy; Reactive oxygen species; Tip-substrate voltammetry |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Instrumentelle Analytik (Prof. Frank-Michael Matysik) |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 10 Jan 2020 10:35 |
| Last Modified: | 10 Jan 2020 10:35 |
| URI: | https://pred.uni-regensburg.de/id/eprint/14052 |
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