Boosting charge transfer promotes photocatalytic peroxymonosulfate activation of S-doped CuBi2O4 nanorods for ciprofloxacin degradation: Key role of Ov–Cu–S and mechanism insight

Bu, Xianzhong; Li, Jiaming; Wang, Jin; Li, Yuan; Zhang, Gaoke

doi:10.1016/j.cej.2024.153075

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.153075

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Boosting charge transfer promotes photocatalytic peroxymonosulfate activation of S-doped CuBi2O4 nanorods for ciprofloxacin degradation: Key role of Ov–Cu–S and mechanism insight

Xianzhong Bu,

Jiaming Li,

Jin Wang

et al.

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Cited by 11 publications

References 55 publications

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Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO₂ for Catalytic Reduction of Organic and Cr⁶⁺ Pollutants in the Dark

Yang,

Wu,

et al. 2024

Advanced Sustainable Systems

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V/S co‐doped SnO2 bimetal sulfur‐oxides catalysts labeled as (Sn,V)1‐x(S,O)2‐y or (SnVSO) with heterovalent state and oxygen vacancy defect are prepared via a green and facile method. The presence of SnVSO in the heterovalent states of Sn4+/Sn2+ and V5+/V4+ facilitates the rapid transfer of the electrons. It improves the electronic charge lifetime, accelerating the efficiency of the catalytic reduction of pollutants. The V/S co‐doped SnO2 regulates the bandgap energy structure. The hydrazine adjusts the heterovalent metal states to reduce Sn4+ to Sn2+ and V5+ to V4+. Also, it introduces oxygen vacancies to SnVSO to maintain the charge equilibrium and increase the active surface reactive sites, which enhance the catalytic activity. The SnVSO‐3 prepared with 0.4 mL hydrazine exhibits excellent catalytic activity, which wholly reduces 20 ppm of 100 mL methyl orange (MO), rhodamine B (RhB), methylene blue (MB), hexavalent chromium (Cr6+), and 4‐nitrophenol (4‐NP) within 6 min. In addition, the SnVSO‐3 also has good stability after repeated 6 runs with a reduction efficiency of 96.8%. Therefore, the V/S co‐doped SnO2 sulfur oxide catalysts have a promising potential for reducing Cr6+ and organic pollutants.

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Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO₂ for Catalytic Reduction of Organic and Cr⁶⁺ Pollutants in the Dark

Yang,

Wu,

et al. 2024

Advanced Sustainable Systems

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Eco-Friendly Breakthrough: Visible Light Harvesting Fe2VO4/CS/g-ZnO Nanocomposite for Highly Effective Chloramphenicol Photocatalytic Degradation

Ramar,

Moses,

Velusamy

et al. 2024

J Inorg Organomet Polym

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Peroxymonosulfate Activation by MnO2/CoMoO4/NF for Degradation of Levofloxacin

Xing,

Liu,

et al. 2024

Water Air Soil Pollut

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Boosting charge transfer promotes photocatalytic peroxymonosulfate activation of S-doped CuBi2O4 nanorods for ciprofloxacin degradation: Key role of Ov–Cu–S and mechanism insight

Cited by 11 publications

References 55 publications

Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO₂ for Catalytic Reduction of Organic and Cr⁶⁺ Pollutants in the Dark

Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO₂ for Catalytic Reduction of Organic and Cr⁶⁺ Pollutants in the Dark

Eco-Friendly Breakthrough: Visible Light Harvesting Fe2VO4/CS/g-ZnO Nanocomposite for Highly Effective Chloramphenicol Photocatalytic Degradation

Peroxymonosulfate Activation by MnO2/CoMoO4/NF for Degradation of Levofloxacin

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Boosting charge transfer promotes photocatalytic peroxymonosulfate activation of S-doped CuBi2O4 nanorods for ciprofloxacin degradation: Key role of Ov–Cu–S and mechanism insight

Cited by 11 publications

References 55 publications

Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO2 for Catalytic Reduction of Organic and Cr6+ Pollutants in the Dark

Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO2 for Catalytic Reduction of Organic and Cr6+ Pollutants in the Dark

Eco-Friendly Breakthrough: Visible Light Harvesting Fe2VO4/CS/g-ZnO Nanocomposite for Highly Effective Chloramphenicol Photocatalytic Degradation

Peroxymonosulfate Activation by MnO2/CoMoO4/NF for Degradation of Levofloxacin

Contact Info

Product

Resources

About

Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO₂ for Catalytic Reduction of Organic and Cr⁶⁺ Pollutants in the Dark

Heterovalent State and Oxygen Vacancy Defect Structure‐Associated V/S Co‐Doped SnO₂ for Catalytic Reduction of Organic and Cr⁶⁺ Pollutants in the Dark