Hydrogen induced interface engineering in Fe<sub>2</sub>O<sub>3</sub>–TiO<sub>2</sub> heterostructures for efficient charge separation for solar-driven water oxidation in photoelectrochemical cells
Aadesh P. Singh, Baochang Wang, Camilla Tossi, Ilkka Tittonen, Björn Wickman, Anders Hellman
Abstract
Approximate energy band diagram and charge transfer mechanism for the Fe<sub>2</sub>O<sub>3</sub>–TiO<sub>2</sub> photoanode (left) and Fe<sub>2</sub>O<sub>3</sub>–H:TiO<sub>2</sub> photoanode (right) with external applied anodic potential under illumination.
Topics & Concepts
HeterojunctionMaterials sciencePhotoelectrochemical cellCharge (physics)Band diagramWater splittingPhotoelectrochemistryHydrogenAnodeSolar energyAnalytical Chemistry (journal)OptoelectronicsChemistryPhotocatalysisElectrochemistryPhysical chemistryElectrodeCatalysisPhysicsElectrical engineeringBiochemistryChromatographyElectrolyteOrganic chemistryEngineeringQuantum mechanicsIron oxide chemistry and applicationsAdvanced Photocatalysis TechniquesCopper-based nanomaterials and applications