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Brief Communications
Nature 440, 295 (16 March 2006) | doi:10.1038/440295a; Received 5 December 2005; Accepted 20 February 2006; Published online 15 March 2006
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Photocatalyst releasing hydrogen from water
Kazuhiko Maeda1, Kentaro Teramura1, Daling Lu2, Tsuyoshi Takata1, Nobuo Saito3, Yasunobu Inoue3 & Kazunari Domen1,2
Abstract
Enhancing catalytic performance holds promise for hydrogen production by water splitting in sunlight.
Abstract
Direct splitting of water using a particulate photocatalyst would be a good way to produce clean and recyclable hydrogen on a large scale1, and in the past 30 years various photocatalysts have been found that function under visible light2, 3, 4. Here we describe an advance in the catalysis of the overall splitting of water under visible light: the new catalyst is a solid solution of gallium and zinc nitrogen oxide5, 6, (Ga1-xZnx)(N1-xOx), modified with nanoparticles of a mixed oxide of rhodium and chromium. The mixture functions as a promising and efficient photocatalyst in promoting the evolution of hydrogen gas.
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