Direct observation of oxygen vacancy formation and migration over ceria surface by in situ environmental transmission electron microscopy
Dawei Pang, Wei Li, Ningqiang Zhang, Hong He, Shengcheng Mao, Yanhui Chen, Liwei Cao, Chong Li, Ang Li, Xiaodong Han, Xiaodong Han
Topics & Concepts
OxygenChemical physicsCatalysisTransmission electron microscopyAtomic unitsDiffusionAdsorptionVacancy defectChemistrySurface diffusionChemical engineeringMaterials scienceHydrogenNanotechnologyCrystallographyPhysical chemistryThermodynamicsOrganic chemistryEngineeringQuantum mechanicsPhysicsCatalytic Processes in Materials ScienceCatalysis and Oxidation ReactionsElectrocatalysts for Energy Conversion