Bio-based Au Doping with Dominant Oxygen Vacancies and Ti<sup>3+</sup> Defects on Photocatalytic Functionalities of TiO<sub>2</sub>

Ravi, Ravi; Golder, Animes Kumar

doi:10.1021/acs.iecr.3c02850

Ind. Eng. Chem. Res.

2023

DOI: 10.1021/acs.iecr.3c02850

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Bio-based Au Doping with Dominant Oxygen Vacancies and Ti³⁺ Defects on Photocatalytic Functionalities of TiO₂

Ravi Ravi,

Animes Kumar Golder

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Cited by 10 publications

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Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO₂

Malik,

Wanchoo,

Toor

2024

Can J Chem Eng

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The extensive use of antibiotics in both veterinary and clinical settings has unintentionally led to their presence in surface waters, raising significant concerns. Macrolides, a class of antibiotics classified as ‘emerging contaminants’, have the potential to infiltrate the environment and negatively impact human health. To address this issue, band gap engineering through surface modification of titanium dioxide (TiO2) has shown promising efficacy in mitigating such harmful contaminants. In our study, spiramycin (SPR) was subjected to both UV and solar radiation in the presence of a suitable catalyst in a slurry batch reactor. The synthesized catalysts were characterized using various techniques, including X‐ray diffraction (XRD), field emission scanning electron microscopy with energy dispersive X‐ray spectroscopy (FESEM‐EDX), ultraviolet–visible diffuse reflectance spectroscopy (UV–Vis DRS), and Brunauer–Emmett–Teller (BET) analysis. Optimization of key parameters indicated a maximum degradation of 91.08% degradation for 10 mgL−1 SPR with 2NTiO2 within 180 minutes under solar radiation. The reaction kinetics revealed that SPR degradation followed the Langmuir–Hinshelwood (L–H) model. Additionally, the intermediates formed during the degradation process were identified using liquid chromatography–mass spectroscopy (LCMS) and a degradation pathway was proposed. A significant reduction in the toxicity of SPR was observed following the photocatalytic treatment.

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Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO₂

Malik,

Wanchoo,

Toor

2024

Can J Chem Eng

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Mechanistic exploration in controlling the product selectivity via metals in TiO2 for photocatalytic carbon dioxide reduction

Singh,

Kumar,

Pant

et al. 2024

Applied Catalysis B: Environment and Energy

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Photocatalytic and biological degradation processes to mineralize pharmaceutically active compounds and catalyst recovery: A review

Ravi,

Golder

2025

Coordination Chemistry Reviews

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Bio-based Au Doping with Dominant Oxygen Vacancies and Ti³⁺ Defects on Photocatalytic Functionalities of TiO₂

Cited by 10 publications

References 60 publications

Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO₂

Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO₂

Mechanistic exploration in controlling the product selectivity via metals in TiO2 for photocatalytic carbon dioxide reduction

Photocatalytic and biological degradation processes to mineralize pharmaceutically active compounds and catalyst recovery: A review

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Bio-based Au Doping with Dominant Oxygen Vacancies and Ti3+ Defects on Photocatalytic Functionalities of TiO2

Cited by 10 publications

References 60 publications

Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO2

Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO2

Mechanistic exploration in controlling the product selectivity via metals in TiO2 for photocatalytic carbon dioxide reduction

Photocatalytic and biological degradation processes to mineralize pharmaceutically active compounds and catalyst recovery: A review

Contact Info

Product

Resources

About

Bio-based Au Doping with Dominant Oxygen Vacancies and Ti³⁺ Defects on Photocatalytic Functionalities of TiO₂

Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO₂

Solar and UV for photocatalytic degradation of spiramycin using nitrogen‐doped TiO₂