An <i>in situ</i> fluorine and <i>ex situ</i> titanium two-step co-doping strategy for efficient solar water splitting by hematite photoanodes
Kyoungwoong Kang, Hemin Zhang, Jeong Hun Kim, Woo Jin Byun, Jae Sung Lee
Abstract
A novel two-step co-doping strategy of in situ F − anion, followed by ex situ Ti 4+ cation promotes the hematite photoanode for water splitting much more effectively than single-step co-doping strategies that are either all in situ or all ex situ .
Topics & Concepts
In situHematiteFluorineDopingWater splittingTitaniumMaterials scienceChemical engineeringChemistryPhotocatalysisMetallurgyOptoelectronicsCatalysisEngineeringBiochemistryOrganic chemistryIron oxide chemistry and applicationsAdvanced Photocatalysis TechniquesArsenic contamination and mitigation