Mesoporous TiO<sub>2</sub> anatase films for enhanced photocatalytic activity under UV and visible light

Ishchenko, Olga M.; Lamblin, Guillaume; Guillot, Jérôme; Infante, I. C.; Guennou, Maël; Adjeroud, Noureddine; Fechete, Ioana; Garin, F.; Turek, Philippe; Lenoble, D.

doi:10.1039/d0ra06455f

Cited by 5 publications

(1 citation statement)

References 52 publications

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“…Various semiconducting metal oxides have been successfully utilized as heterogeneous catalysts for the photoassisted degradation of dye pollutants [12][13][14][15][16][17][18][19]. Among them, zinc oxide (ZnO) [20][21][22] and titanium dioxide (TiO 2 ) [3,23,24] have received particular attention thanks to their non-toxicity, chemical stability, biocompatibility, and low-cost.…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic Degradation of Methylene Blue Dye by Electrospun Binary and Ternary Zinc and Titanium Oxide Nanofibers

Petrovičovà

Dahrouch²,

Triolo

et al. 2021

Applied Sciences

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Synthetic dyes, dispersed in water, have harmful effects on human health and the environment. In this work, Ti and/or Zn oxide nanofibers (NFs) with engineered architecture and surface were produced via electrospinning followed by calcination. Calcination and subsequent cooling were operated at fast rates to generate porous NFs with capture centers to reduce the recombination rate of the photogenerated charges. After morphological and microstructural characterisation, the NFs were comparatively evaluated as photocatalysts for the removal of methylene blue from water under UV irradiation. The higher band gap and lower crystallinity were responsible for the lower photocatalytic activity of the ternary oxides (ZnTiO3 and Zn2TiO4) towards the degradation of the dye. The optimal loads of the highly performing binary oxides were determined. By using 0.66 mg mL−1 wurtzite ZnO for the discoloration of an aqueous solution with a dye concentration of 15 µM, a higher rate constant (7.94 × 10−2 min−1) than previously reported was obtained. The optimal load for anatase TiO2 was lower (0.33 mg mL−1). The corresponding rate constant (1.12 × 10−1 min−1) exceeds the values reported for the commonly used P25–TiO2 benchmark. The catalyst can be reused twice without any regeneration treatment, with 5.2% and 18.7% activity decrease after the second and third use, respectively.

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Section: Introductionmentioning

confidence: 99%

Photocatalytic Degradation of Methylene Blue Dye by Electrospun Binary and Ternary Zinc and Titanium Oxide Nanofibers

Petrovičovà

Dahrouch²,

Triolo

et al. 2021

Applied Sciences

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1D sub 10 nm nanofabrication of ultrahydrophobic Ag@TiO2 nanowires and their photocatalytic, UV shielding and antibacterial properties

Tonde¹,

Hazra

et al. 2022

Advanced Powder Technology

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Hydrothermal synthesis of mesoporous TiO2 using β-diketonate stabilizing agents for photocatalytic degradation of methyl violet 2B under visible light

et al. 2023

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Mesoporous TiO₂ anatase films for enhanced photocatalytic activity under UV and visible light

Abstract: Mesoporous TiO2 films with enhanced photocatalytic activity in both UV and visible wavelength ranges were developed through a non-conventional atomic layer deposition (ALD) process at room temperature.

Cited by 5 publications

References 52 publications

Photocatalytic Degradation of Methylene Blue Dye by Electrospun Binary and Ternary Zinc and Titanium Oxide Nanofibers

Photocatalytic Degradation of Methylene Blue Dye by Electrospun Binary and Ternary Zinc and Titanium Oxide Nanofibers

1D sub 10 nm nanofabrication of ultrahydrophobic Ag@TiO2 nanowires and their photocatalytic, UV shielding and antibacterial properties

Hydrothermal synthesis of mesoporous TiO2 using β-diketonate stabilizing agents for photocatalytic degradation of methyl violet 2B under visible light

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Mesoporous TiO2 anatase films for enhanced photocatalytic activity under UV and visible light

Abstract: Mesoporous TiO2 films with enhanced photocatalytic activity in both UV and visible wavelength ranges were developed through a non-conventional atomic layer deposition (ALD) process at room temperature.

Cited by 5 publications

References 52 publications

Photocatalytic Degradation of Methylene Blue Dye by Electrospun Binary and Ternary Zinc and Titanium Oxide Nanofibers

Photocatalytic Degradation of Methylene Blue Dye by Electrospun Binary and Ternary Zinc and Titanium Oxide Nanofibers

1D sub 10 nm nanofabrication of ultrahydrophobic Ag@TiO2 nanowires and their photocatalytic, UV shielding and antibacterial properties

Hydrothermal synthesis of mesoporous TiO2 using β-diketonate stabilizing agents for photocatalytic degradation of methyl violet 2B under visible light

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Mesoporous TiO₂ anatase films for enhanced photocatalytic activity under UV and visible light