Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 36, Pages 4412-4415Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc07778j
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Stable and efficient photoelectrochemical water splitting has been achieved by utilizing a BaTaO2N photoanode decorated with CoO microflowers. The CoO microflowers effectively collect holes to protect BaTaO2N against photocorrosion, resulting in a Faraday efficiency of almost unity for O-2 evolution reactions. The tips of the CoO microflowers are identified as the most active sites for water oxidation reactions.
Stable and efficient photoelectrochemical water splitting has been achieved using a BaTaO2N photoanode decorated with CoO microflowers. The CoO microflowers effectively collect holes from BaTaO2N which kinetically protects BaTaO2N against photocorrosion. A Faraday efficiency of almost unity (99.2%) has been recorded for O-2 evolution reactions. The tips of the CoO microflowers are the most active sites for water oxidation reactions.
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