Publication | Closed Access
Vertically Aligned Ta<sub>3</sub>N<sub>5</sub> Nanorod Arrays for Solar‐Driven Photoelectrochemical Water Splitting
400
Citations
34
References
2012
Year
Materials ScienceChemical EngineeringEngineeringPhotochemistryInorganic PhotochemistryNanotechnologyApplied PhysicsSolar‐driven Photoelectrochemical WaterThrough-mask AnodizationPhotocatalysisWater ElectrolyzersPhoto-electrochemical CellChemistryWater SplittingPhotoelectrocatalysisPhotoelectrochemistryPhotovoltaicsPhotoelectrochemical Cell
A vertically aligned Ta(3)N(5) nanorod photoelectrode is fabricated by through-mask anodization and nitridation for water splitting. The Ta(3)N(5) nanorods, working as photoanodes of a photoelectrochemical cell, yield a high photocurrent density of 3.8 mA cm(-2) at 1.23 V versus a reversible hydrogen electrode under AM 1.5G simulated sunlight and an incident photon-to-current conversion efficiency of 41.3% at 440 nm, one of the highest activities reported for photoanodes so far.
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