Facile aqueous synthesis and comparative evaluation of TiO<sub>2</sub>-semiconductor and TiO<sub>2</sub>-metal nanohybrid photocatalysts in antibiotics degradation under visible light

Zhang, Yuping; Ju, Shijie; Casals, Gregori; Tang, Jie; Lin, Yichao; Li, Xiaofang; Liang, Lihua; Jia, Zhiyu; Zeng, Muling; Casals, Eudald

doi:10.1039/d3ra06231g

RSC Adv.

2023

DOI: 10.1039/d3ra06231g

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Facile aqueous synthesis and comparative evaluation of TiO₂-semiconductor and TiO₂-metal nanohybrid photocatalysts in antibiotics degradation under visible light

Yuping Zhang,

Shijie Ju,

Gregori Casals

et al.

Abstract: TiO2-coupled metal (Au) or semiconductor (CeO2) nanohybrids with comparable physicochemical features are synthesized and the effectiveness in degrading ciprofloxacin and sulfamethoxazole is compared, revealing the importance of CeO2 as co-catalyst.

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2024

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Cited by 3 publications

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Construction of Bi2WO6/g-C3N4/Cu foam as 3D Z-scheme photocatalyst for photocatalytic CO2 reduction

Liu,

Du,

Chen

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Applied Surface Science

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Construction of Bi2WO6/g-C3N4/Cu foam as 3D Z-scheme photocatalyst for photocatalytic CO2 reduction

Liu,

Du,

Chen

et al. 2024

Applied Surface Science

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Understanding the variations in degradation pathways and generated by-products of antibiotics in modified TiO2 and ZnO photodegradation systems: A comprehensive review

Samy,

Tang,

Zhang

et al. 2024

Journal of Environmental Management

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Exploring the photocatalytic efficacy of core–shell CeO₂/TiO₂ nanocomposite synthesized via solution combustion synthesis

Muhammad,

Arulanandam

2024

Zeitschrift Für Physikalische Chemie

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This study investigates the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite (CT-NC) synthesized via solution combustion synthesis. Various characterization techniques including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), UV–visible spectroscopy (UV), photoluminescence spectroscopy (PL), Raman spectroscopy, field emission scanning electron microscopy (FESEM) along with energy-dispersive spectroscopy (EDS) analysis and high-resolution transmission electron microscopy with selected area electron diffraction (HRTEM-SAED) were employed to analyze the nanomaterials. XRD pattern confirmed the realization of cubic and tetragonal phases of CeO2 and TiO2. The vibrational modes observed below 800 cm−1 confirmed the metal-oxygen bonds of the synthesized samples. The energy bandgap (Eg) of CT-NC, as estimated from UV–vis spectra, reduced to 2.28 eV, resulting in a significant enhancement of the photocatalytic activity. The various emission peaks in the visible region due to the oxygen vacancies facilitated the generation of Reactive Oxygen Species (ROS). EDS analysis confirmed the presence of elements and the purity of the samples. Furthermore, CT-NC demonstrated remarkable dye degradation efficiency, achieving a maximum efficiency of 98.15 % under visible light irradiation for 120 min. This enhanced activity is attributed to the Advanced Oxidation Process (AOPs). Overall, the results highlight the potential of CT-NC as an efficient photocatalyst for environmental remediation.

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Facile aqueous synthesis and comparative evaluation of TiO₂-semiconductor and TiO₂-metal nanohybrid photocatalysts in antibiotics degradation under visible light

Abstract: TiO2-coupled metal (Au) or semiconductor (CeO2) nanohybrids with comparable physicochemical features are synthesized and the effectiveness in degrading ciprofloxacin and sulfamethoxazole is compared, revealing the importance of CeO2 as co-catalyst.

Cited by 3 publications

References 104 publications

Construction of Bi2WO6/g-C3N4/Cu foam as 3D Z-scheme photocatalyst for photocatalytic CO2 reduction

Construction of Bi2WO6/g-C3N4/Cu foam as 3D Z-scheme photocatalyst for photocatalytic CO2 reduction

Understanding the variations in degradation pathways and generated by-products of antibiotics in modified TiO2 and ZnO photodegradation systems: A comprehensive review

Exploring the photocatalytic efficacy of core–shell CeO₂/TiO₂ nanocomposite synthesized via solution combustion synthesis

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Facile aqueous synthesis and comparative evaluation of TiO2-semiconductor and TiO2-metal nanohybrid photocatalysts in antibiotics degradation under visible light

Abstract: TiO2-coupled metal (Au) or semiconductor (CeO2) nanohybrids with comparable physicochemical features are synthesized and the effectiveness in degrading ciprofloxacin and sulfamethoxazole is compared, revealing the importance of CeO2 as co-catalyst.

Cited by 3 publications

References 104 publications

Construction of Bi2WO6/g-C3N4/Cu foam as 3D Z-scheme photocatalyst for photocatalytic CO2 reduction

Construction of Bi2WO6/g-C3N4/Cu foam as 3D Z-scheme photocatalyst for photocatalytic CO2 reduction

Understanding the variations in degradation pathways and generated by-products of antibiotics in modified TiO2 and ZnO photodegradation systems: A comprehensive review

Exploring the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite synthesized via solution combustion synthesis

Contact Info

Product

Resources

About

Facile aqueous synthesis and comparative evaluation of TiO₂-semiconductor and TiO₂-metal nanohybrid photocatalysts in antibiotics degradation under visible light

Exploring the photocatalytic efficacy of core–shell CeO₂/TiO₂ nanocomposite synthesized via solution combustion synthesis