Vertically aligned Ta3N5 nanorod arrays for solar-driven photoelectrochemical water splitting.
basic_science · Level V
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- Record sourced from PubMed, PMID 22987610.
- Also identified by DOI 10.1002/adma.201202582.
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Abstract
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.