Structurally and surficially activated TiO<sub>2</sub> nanomaterials for photochemical reactions

Tee, Si Yin; Kong, Junhua; Koh, Justin Junqiang; Teng, Choon Peng; Wang, Xizu; Wang, Xiaobai; Teo, Siew Lang; Thitsartarn, Warintorn; Han, Ming-Yong; Seh, Zhi Wei

doi:10.1039/d4nr02342k

Nanoscale

2024

DOI: 10.1039/d4nr02342k

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Structurally and surficially activated TiO₂ nanomaterials for photochemical reactions

Si Yin Tee,

Junhua Kong,

Justin Junqiang Koh

et al.

Abstract: This review highlights recent advancements in TiO2 photocatalysts, emphasizing key strategies to enhance their performance for environmental remediation and energy conversion technologies.

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Cited by 2 publications

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Photocatalytic degradation of antibiotics in water via TiO2-x: Research needs for technological advancements

Silerio-Vázquez,

González-Burciaga,

Antileo

et al. 2024

Journal of Hazardous Materials Advances

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Photocatalytic degradation of antibiotics in water via TiO2-x: Research needs for technological advancements

Silerio-Vázquez,

González-Burciaga,

Antileo

et al. 2024

Journal of Hazardous Materials Advances

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Visible light responsive heterophase Titania monoliths for the fast and efficient photocatalytic decontamination of organic pollutants

Babu,

Jagadeesan,

Thejaswini

et al. 2024

Sci Rep

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The article reports the synthesis of an ordered mesoporous network of heterophase TiO2 monoliths as a visible light-responsive photocatalyst using tri-block copolymers of Pluronic F108, P123 and F127 as structure-directing agents (SDAs) and temperature-controlled calcination (450–650 °C) has been carried out by direct templating-assisted hydrothermal approach. The structural/surface morphology and topographical properties of the photocatalyst are characterized using FE-SEM-EDAX, HR-TEM-SAED, p-XRD, VB-XPS, PLS, TG/DTA, UV-Vis-DRS, BET/BJH and zeta potential analysis. The undoped heterophase mesoporous TiO2 monoliths with in-built lattice/surface defects exhibit visible light photocatalytic properties, successfully dissipating Reactive Brown 10 (RB-10) dye. The influence of physicochemical parameters, such as SDAs, temperature, pH, dye concentration, catalyst dosage, photosensitizers and light intensities, are optimized for maximum photocatalytic performance at a shorter timespan. The F127-assisted mesoporous TiO2 monolith (550 °C) exhibits superior degradation kinetics (15 min) for RB-10 dye solution (20 ppm) at pH 2.0–3.0 using a photocatalyst dosage of 50 mg and 2 mM of KBrO3, irradiated with 150 W/cm2 tungsten lamp. The photocatalysts are fabricated without complicated chemical modifications and display topmost efficiency in quickly decontaminating persistent pollutants. The photoproducts from RB-10 photocatalytic degradation are investigated using HR-MS analysis. The photocatalyst can be reused efficiently for six cycles, even under extreme conditions.

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Structurally and surficially activated TiO₂ nanomaterials for photochemical reactions

Abstract: This review highlights recent advancements in TiO2 photocatalysts, emphasizing key strategies to enhance their performance for environmental remediation and energy conversion technologies.

Cited by 2 publications

References 437 publications

Photocatalytic degradation of antibiotics in water via TiO2-x: Research needs for technological advancements

Photocatalytic degradation of antibiotics in water via TiO2-x: Research needs for technological advancements

Visible light responsive heterophase Titania monoliths for the fast and efficient photocatalytic decontamination of organic pollutants

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About

Structurally and surficially activated TiO2 nanomaterials for photochemical reactions

Abstract: This review highlights recent advancements in TiO2 photocatalysts, emphasizing key strategies to enhance their performance for environmental remediation and energy conversion technologies.

Cited by 2 publications

References 437 publications

Photocatalytic degradation of antibiotics in water via TiO2-x: Research needs for technological advancements

Photocatalytic degradation of antibiotics in water via TiO2-x: Research needs for technological advancements

Visible light responsive heterophase Titania monoliths for the fast and efficient photocatalytic decontamination of organic pollutants

Contact Info

Product

Resources

About

Structurally and surficially activated TiO₂ nanomaterials for photochemical reactions