Cobalt Hydroxide Modification of TiO<sub>2</sub> Nanosheets for Visible-Light-Responsive Photocatalysts.
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ABSTRACT: To make full use of sunlight for water splitting reactions for hydrogen production, a visible-light-driven photocatalyst was developed by modifying TiO2 nanosheets with Co(OH)2. By adding an aqueous Co(NO3)2·6H2O solution to a TiO2 nanosheet suspension, the TiO2 nanosheets aggregated and Co(OH)2 was formed. In the ultraviolet-visible (UV-vis) diffuse reflectance spectrum of the photocatalyst, new absorption bands attributable to Co(OH)2 and the interfacial charge transfer between Co(OH)2 and the TiO2 nanosheets appeared at around 600 and 400 nm, respectively. The photocatalytic activity of Co(OH)2/TiO2 nanosheets was evaluated in terms of the O
SUBMITTER: Hagiwara H
PROVIDER: S-EPMC11780558 | biostudies-literature | 2025 Jan
REPOSITORIES: biostudies-literature
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