Surface oxygen vacancies promoted Pt redispersion to single-atoms for enhanced photocatalytic hydrogen evolution
Jinmeng Cai, Ang Cao, Zhenbin Wang, Siyu Lu, Zheng Jiang, Xi‐Yan Dong, Xingang Li, Shuang‐Quan Zang
Abstract
<italic>In situ</italic> formed surface oxygen vacancies on TiO<sub>2</sub> can redisperse Pt nanoparticles to stable single-atoms through hydrogen spillover effect. The catalyst displays both high photocatalytic hydrogen evolution performance and atom-utilization efficiency.
Topics & Concepts
PhotocatalysisOxygenHydrogenChemistryPhotochemistryOxygen evolutionMaterials scienceChemical engineeringInorganic chemistryCatalysisPhysical chemistryElectrochemistryOrganic chemistryEngineeringElectrodeAdvanced Photocatalysis TechniquesElectrocatalysts for Energy ConversionCatalytic Processes in Materials Science