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Highly efficient decomposition of pure water into H2 and O2 over NaTaO3 photocatalysts (1999)

Kato, Hideki ; Kudo, Akihiko

Springer

Catalysis letters 58 (1999), S. 153-155

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ISSN: 1572-879X

Keywords: photocatalyst ; water splitting ; NaTaO3 ; tantalate

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract NaTaO3 with 4.0 eV band gap showed a high activity for the decomposition of pure water into H2 and O2 without co-catalysts when it was prepared in the presence of excess Na in order to prevent the formation of defects by the volatilization of Na. When NiO was supported on the NaTaO3 powder, the activity was drastically increased. The quantum yield of the NiO(0.05 wt%)/NaTaO3 photocatalyst was 28% for the water splitting at 270 nm.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1019082001809

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