Revealing the role of redox reaction selectivity and mass transfer in current–voltage predictions for ensembles of photocatalysts
Luisa Barrera, Bradley W. Layne, Zejie Chen, K. Watanabe, Akihiko Kudo, Daniel V. Esposito, Shane Ardo, Rohini Bala Chandran
Abstract
A powerful detailed-balance model predicts optimal gains with many optically thin photo absorbers instead of one thick absorber. Selectivity and efficiency are controlled by redox species mass-transfer rates regardless of kinetic asymmetry.
Topics & Concepts
RedoxSelectivityCurrent (fluid)Mass transferVoltageChemistryPhotochemistryChemical physicsNanotechnologyMaterials scienceInorganic chemistryCatalysisPhysicsOrganic chemistryElectrical engineeringThermodynamicsChromatographyEngineeringElectrochemical Analysis and ApplicationsElectrocatalysts for Energy ConversionCO2 Reduction Techniques and Catalysts