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- W2910090264 abstract "Optimizing the photocatalytic activity of TiO2 for hydrogen evolution from water splitting remains a challenging task. Herein, we report the synthesis of a slightly oxygen-deficient TiO2 film consisting of anatase nanorods with mainly {110} lateral surfaces by a facile one-step technology of magnetron sputtering. The 1D nanostructure and Ti3+/oxygen vacancies in the as-prepared TiO2 film are advantageous for the inhibition of recombination of electron–hole pairs, while the exposed {110} lateral surfaces provide abundant surface active sites; as a result, this TiO2 exhibited an ultrahigh photocatalytic activity for water splitting. Remarkably, photocatalytic overall water splitting into H2 and O2 simultaneously with a ratio close to 2:1 has been realized for the first time over pristine anatase TiO2 without the assistance of sacrificial electron donor and cocatalyst. Additionally, in the presence of methanol as a sacrificial agent, the pristine TiO2 displayed a high apparent quantum efficiency of ∼21.4% at 365 nm and the hydrogen generation rate under the full-arc light irradiation could be as high as 14.35 mmol m–2 h–1, which is about 3 orders of magnitude higher than that of P25 film (∼0.014 mmol m–2 h–1). This result provides a facile pathway to synthesizing defect-based metal oxide with optimal facets and morphology for high-efficiency energy conversion." @default.
- W2910090264 created "2019-01-25" @default.
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- W2910090264 date "2019-01-15" @default.
- W2910090264 modified "2023-10-18" @default.
- W2910090264 title "Facile Coengineering of Oxygen Defects and Highly Active {110} Facets in TiO<sub>2</sub> Nanorods for Efficient Water Splitting" @default.
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- W2910090264 doi "https://doi.org/10.1021/acs.cgd.8b01609" @default.
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