Nanostructuring determines poisoning: tailoring CO adsorption on PtCu bimetallic nanoparticles
Lorena Vega, Julia Garcia-Cardona, Francesc Viñes, Pere Lluı́s Cabot, Konstantin M. Neyman
Abstract
A combination of CO stripping voltammograms on diverse PtCu nanoparticles fuel cell electrocatalysts and density functional calculations show that surface chemical ordering and certain defects presence explain the CO tolerance vs. poisoning.
Topics & Concepts
Bimetallic stripNanoparticleAdsorptionMaterials scienceNanotechnologyStripping (fiber)Chemical engineeringDensity functional theoryFuel cellsChemistryMetallurgyComputational chemistryComposite materialPhysical chemistryEngineeringMetalElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsElectrochemical Analysis and Applications