Journal
MATERIALS LETTERS
Volume 307, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130997
Keywords
Photocatalytic hydrogen production; Titanium dioxide; Sustainable energy
Funding
- Ministry of Science and Education of Russian Federation [121031700315-2, AAAA-A21-121011390009-1]
- Russian Foundation for Basic Research [20-33-70086]
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A novel protocol for preparing Rh-decorated TiO2 photocatalysts has been developed using the deposition of a low-soluble hydrogarnet type salt, resulting in highly active catalysts that can generate up to 21 mol of H-2 per gram of rhodium per hour.
A novel protocol for the preparation of Rh-decorated TiO2 photocatalysts with the rhodium content of 0.01-1.0 wt% has been developed based on the deposition of the low-soluble hydrogarnet type salt Ca-3[Rh(OH)(6)](2). Under 380-nm irradiation in water-ethanol mixtures the photoinduced reduction of Ca-3[Rh(OH)(6)](2)/TiO2 results in the formation of highly active Rh/TiO2 photocatalysts with nanoparticulated rhodium co-catalyst preferably attached to the surface of anatase particles. The catalysts generate up to 21 mol of H-2 per gram of rhodium per hour via a photocatalytic hydrogen evolution reaction (HER) outperforming the activity of the analogous materials reported to date.
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