Fine-tuning surface oxidation states of ruthenium nanoparticles to enhance hydrogen electrode reactions
Hao Zhao, Jiejie Li, Jian Zou, Yangchun Tan, Chi Chen, Bo Yang, Qingqing Cheng, Hui Yang
Abstract
The oxidation state of surface atoms on small-sized Ru-NPs can be precisely tuned by NP sizes. The intrinsic activities of the HER/HOR strongly depend on the surface Ru–O structure.
Topics & Concepts
RutheniumNanoparticleElectrodeOxidation stateHydrogenSurface (topology)Materials scienceChemical physicsSurface statesReversible hydrogen electrodeNanotechnologyInorganic chemistryPhotochemistryChemistryChemical engineeringCatalysisElectrochemistryPhysical chemistryReference electrodeGeometryEngineeringMathematicsOrganic chemistryBiochemistryElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceElectrochemical Analysis and Applications