Sonochemical Synthesis and Characterization of Visible Light Driven CuO@g-C3N4 Nano-Photocatalyst for Eriochrome Black T Dye Degradation in Industrial Dye Effluent

Karuppasamy, P.; Senthilkumar, Samuthirarajan; Ganeshbabu, O.; Pitchaimuthu, Sakthivel; Sennappan, M.; Rajapandian, V.

doi:10.1134/s0036023622100631

Cited by 3 publications

(2 citation statements)

References 51 publications

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“…The calculated SP cv values for a 7 mol % Ag-doped BZOP electrode at different scan rates are given in Table . As can be seen in Table , there is a decreasing trend in the SP cv value observed by increasing the scan rates due to a relatively inadequate faradaic redox process at high scan rates. − …”

Section: Resultsmentioning

confidence: 92%

“…The UV–visible kinetic study was carried out for the photocatalytic degradation of MB and RB dyes under pseudo-first-order conditions with excess dye concentrations. , The kinetic spectrum of MB dye degradation under pseudo-first-order conditions using Ag-doped BZOP nanomaterial photocatalysts at different time intervals (0–90 min) is depicted in Figure . The kinetic spectrum of RB dye degradation under pseudo-first-order conditions using Ag-doped BZOP nanomaterial photocatalysts at different time intervals (0–90 min) is depicted in Figure S2.…”

Section: Resultsmentioning

confidence: 99%

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Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi₂Zr₂O₇ Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Pompapathi,

Anantharaju,

Karuppasamy

et al. 2024

ACS Environ. Au

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Novel visible-light-driven Ag (X)-doped Bi2Zr2O7 (BZO) nanocomposites in pudina (P) extract (Mentha spicata L.), X-1, 3, 5, 7, and 9 mol %, were synthesized by the one-pot greener solution combustion method. The as-synthesized nanocomposite materials were characterized by using various spectral [X-ray diffraction (XRD), Fourier transform infrared, UV–visible, UV– diffuse reflectance spectra, X-ray photoelectron spectroscopy], electrochemical (cyclic voltammetry, electrochemical impedance spectroscopy), and analytical (scanning electron microscopy–energy-dispersive X-ray spectroscopy, transmission electron microscopy, Brunauer–Emmett–Teller) techniques. The average particle size of the nanocomposite material was found to be between 14.8 and 39.2 nm by XRD. The well-characterized Ag-doped BZOP nanocomposite materials exhibited enhanced photocatalytic degradation activity toward hazardous dyes such as methylene blue (MB) and rose bengal (RB) under visible light irradiation ranges between 400 and 800 nm due to their low energy band gap. As a result, 7 mol % of Ag-doped BZOP nanocomposite material exhibited excellent photodegradation activity against MB (D.E. = 98.7%) and RB (D.E. = 99.3%) as compared to other Ag-doped BZOP nanocomposite materials and pure BZOP nanocomposite, respectively, due to enhanced semiconducting and optical behaviors, high binding energy, and mechanical and thermal stabilities. The Ag-doped BZOP nanocomposite material-based electrochemical sensor showed good sensing ability toward the determination of lead nitrate and dextrose with the lowest limit of detection (LOD) of 18 μM and 12 μM, respectively. Furthermore, as a result of the initial antibacterial screening study, the Ag-doped BZOP nanocomposite material was found to be more effective against Gram-negative bacteria (Escherichia coli) as compared to Gram-positive (Staphylococcus aureus) bacteria. The scavenger study reveals that radicals such as O2 •– and •OH are responsible for MB and RB mineralization. TOC removal percentages were found to be 96.8 and 98.5% for MB and RB dyes, and experimental data reveal that the Ag-doped BZOP enhances the radical (O2 •– and •OH) formation and MB and RB degradation under visible-light irradiation.

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Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi₂Zr₂O₇ Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Pompapathi,

Anantharaju,

Karuppasamy

et al. 2024

ACS Environ. Au

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Experimental and computational approach of zirconium and chitosan doped NiCo2O4 nanorods served as dye degrader and bactericidal action

Khan,

Ikram,

Haider

et al. 2024

International Journal of Biological Macromolecules

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Green synthesis of CuO nanoparticles using Hibiscus sabdariffa L. extract to treat wastewater in Soba Sewage Treatment Plant, Sudan

Almisbah,

Mohammed,

Elgamouz

et al. 2023

Water Science &Amp; Technology

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Looking for a cost-effective and ecofriendly method for wastewater treatment is a global challenge. Therefore, this study investigated the removal of wastewater pollutants using copper oxide nanoparticles (CuONPs). CuONPs synthesized by a green solution combustion synthesis (SCS) and characterized by ultraviolet–visible spectroscopy (UV–Vis), Fourier transform infrared (FT-IR), powder X-ray diffraction analysis (PXRD), and scanning electron microscopy (SEM) techniques. PXRD showed nanoparticle sizes ranging from 10 to 20 polycrystalline patterns indexed with two peaks corresponding to (111) and (113) reflections of the face-centered cubic CuO crystal. The energy-dispersive spectroscopy analysis obtained in conjunction with SEM analysis proved the presence of Cu and O atoms at 86.3 and 13.6%, respectively, confirming the reduction and capping of Cu with Hibiscus sabdariffa extract's phytochemicals. The CuONPs proved to be a promising decontaminant for wastewater found to reduce biochemical oxygen demand (BOD) and chemical oxygen demand (COD) by 56%, and very efficient in reducing both the total dissolved matter (TDS) and conductivity (σ) by 99%. The CuONPs removed simultaneously chromium, copper, and chloride with respective percentages of 26, 78.8, and 78.2%. Green synthesis of nanoparticles is a simple, rapid, cost-effective, and ecofriendly method that successfully removed contaminants from wastewater.

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Sonochemical Synthesis and Characterization of Visible Light Driven CuO@g-C3N4 Nano-Photocatalyst for Eriochrome Black T Dye Degradation in Industrial Dye Effluent

Cited by 3 publications

References 51 publications

Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi₂Zr₂O₇ Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi₂Zr₂O₇ Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Experimental and computational approach of zirconium and chitosan doped NiCo2O4 nanorods served as dye degrader and bactericidal action

Green synthesis of CuO nanoparticles using Hibiscus sabdariffa L. extract to treat wastewater in Soba Sewage Treatment Plant, Sudan

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Sonochemical Synthesis and Characterization of Visible Light Driven CuO@g-C3N4 Nano-Photocatalyst for Eriochrome Black T Dye Degradation in Industrial Dye Effluent

Cited by 3 publications

References 51 publications

Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi2Zr2O7 Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi2Zr2O7 Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Experimental and computational approach of zirconium and chitosan doped NiCo2O4 nanorods served as dye degrader and bactericidal action

Green synthesis of CuO nanoparticles using Hibiscus sabdariffa L. extract to treat wastewater in Soba Sewage Treatment Plant, Sudan

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Product

Resources

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Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi₂Zr₂O₇ Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications

Visible-Light-Driven Mentha spicata L.-Mediated Ag-Doped Bi₂Zr₂O₇ Nanocomposite for Enhanced Degradation of Organic Pollutants, Electrochemical Sensing, and Antibacterial Applications