Probing the stability of SrIrO <sub>3</sub> during active water electrolysis <i>via operando</i> atomic force microscopy
Andrew R. Akbashev, Vladimir Roddatis, Christoph Baeumer, Tianchi Liu, J. Tyler Mefford, William C. Chueh
Abstract
Using atomically flat SrIrO 3 as a model electrocatalyst for water oxidation, we study the interplay between Sr 2+ leaching and perovskite dissolution at the nanometer scale through electrochemical atomic force microscopy.
Topics & Concepts
ElectrocatalystElectrolysis of waterDissolutionAtomic force microscopyElectrolysisNanometreElectrochemistryAtomic unitsKelvin probe force microscopeLeaching (pedology)Materials scienceNanotechnologyMicroscopyChemical engineeringChemistryElectrodePhysical chemistryPhysicsOpticsEnvironmental scienceComposite materialQuantum mechanicsElectrolyteSoil waterSoil scienceEngineeringElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsElectronic and Structural Properties of Oxides