On the growth and water oxidation stability of hydrous iridium oxide
Matej Zlatar, Xianxian Xie, Carlo Franke, Tomáš Hrbek, Zdeněk Krtouš, Tong Li, Ivan Khalakhan, Serhiy Cherevko
Abstract
During HIROF growth on metallic Ir, an anhydrous IrO 2 layer forms on all nanoparticles. As smaller nanoparticles are more oxophilic due to the Gibbs–Thomson effect, IrO 2 is more difficult to reduce. This impedes further oxidation and HIROF formation.
Topics & Concepts
IridiumOxideChemical engineeringChemistryEnvironmental scienceEnvironmental chemistryMaterials scienceMetallurgyCatalysisOrganic chemistryEngineeringAgriculture, Soil, Plant ScienceEngineering Applied Research