Wasted photons: photogeneration yield and charge carrier collection efficiency of hematite photoanodes for photoelectrochemical water splitting
Yifat Piekner, David S. Ellis, Daniel A. Grave, Anton Tsyganok, Avner Rothschild
Abstract
A comprehensive method for extraction of the wavelength-dependent fraction of absorbed photons that generate electron–hole pairs and the spatial charge carrier collection efficiency is presented and applied for a thin film hematite photoanode.
Topics & Concepts
HematitePhotonWater splittingCharge carrierOptoelectronicsWavelengthYield (engineering)Materials scienceElectronOpticsChemistryPhysicsPhotocatalysisBiochemistryQuantum mechanicsCatalysisMetallurgyIron oxide chemistry and applicationsMine drainage and remediation techniquesAdvanced Photocatalysis Techniques