Enhanced stability of silicon for photoelectrochemical water oxidation through self-healing enabled by an alkaline protective electrolyte
Harold J. Fu, Ivan A. Moreno‐Hernandez, Pakpoom Buabthong, Kimberly M. Papadantonakis, Bruce S. Brunschwig, Nathan S. Lewis
Abstract
The addition of [Fe(CN)<sub>6</sub>]<sup>3−</sup> to alkaline electrolytes impede the corrosion of Si photoanodes at open circuit due to the formation of a SiO<sub>x</sub> layer.
Topics & Concepts
ElectrolyteCorrosionSiliconOpen-circuit voltagePhotoelectrochemical cellMaterials scienceInorganic chemistryLayer (electronics)Chemical engineeringChemistryNanotechnologyMetallurgyElectrodeVoltagePhysical chemistryElectrical engineeringEngineeringElectrocatalysts for Energy ConversionSemiconductor materials and devicesElectrochemical Analysis and Applications