Unraveling the Origin of Photocatalytic Deactivation in CeO<sub>2</sub>/Nb<sub>2</sub>O<sub>5</sub> Heterostructure Systems during Methanol Oxidation: Insight into the Role of Cerium Species
Łukasz Wolski, Oleg I. Lebedev, Colin P. Harmer, Kirill Kovnir, Hanen Abdelli, Tomasz Grzyb, Marco Daturi, Mohamad El-Roz
Abstract
. However, the ceria species supported on niobia exhibited a high defect site concentration, which acted as highly active recombination centers for the photo-induced charge carriers.
Topics & Concepts
PhotocatalysisHeterojunctionPhotoluminescenceMaterials scienceX-ray photoelectron spectroscopyCeriumPhysisorptionHigh-resolution transmission electron microscopyChemical engineeringCharge carrierPhotochemistryNanotechnologyTransmission electron microscopyCatalysisOptoelectronicsChemistryMetallurgyBiochemistryEngineeringAdvanced Photocatalysis TechniquesCatalytic Processes in Materials ScienceTiO2 Photocatalysis and Solar Cells