Quantification of Active Site Density and Turnover Frequency: From Single-Atom Metal to Nanoparticle Electrocatalysts
Geunsu Bae, Haesol Kim, Hansol Choi, Pyeonghwa Jeong, Dong Hyun Kim, Han Chang Kwon, Kug‐Seung Lee, Minkee Choi, Hyung‐Suk Oh, Frédéric Jaouen, Chang Hyuck Choi
Abstract
sites, based on which the values of SD and TOF can be determined. Notably, this analytical strategy shows versatile applicability to a series of transition/noble metal SACs and Pt nanoparticles in a broad pH range (1-13). The SD and TOF quantification can afford an improved understanding of the structure-activity relationship for a broad range of electrocatalysts, in particular, the SACs, for which no general electrochemical method to determine the intrinsic catalytic characteristics is available.
Topics & Concepts
CyanideCatalysisElectrochemistryAdsorptionNanoparticleMetalCovalent bondTransition metalChemistryNoble metalActive siteColloidal goldInorganic chemistryAtom (system on chip)Chemical engineeringMaterials scienceNanotechnologyElectrodePhysical chemistryOrganic chemistryEmbedded systemComputer scienceEngineeringElectrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesAdvanced battery technologies research