Ag-Cu2O decorated reduced graphene oxide nanocomposite for photocatalytic water splitting, methylene blue dye degradation, electrochemical nitrite sensing, photoluminescence and selected biological applications

Nethravathi, P. C.; Suresh, D.; Manjula, M. V.; Devaraja, S.; Mohan, Sakar

doi:10.1007/s13399-023-04922-2

Biomass Conv. Bioref.

2023

DOI: 10.1007/s13399-023-04922-2

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Ag-Cu2O decorated reduced graphene oxide nanocomposite for photocatalytic water splitting, methylene blue dye degradation, electrochemical nitrite sensing, photoluminescence and selected biological applications

P. C. Nethravathi,

D. Suresh,

M. V. Manjula

et al.

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2024

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Cited by 7 publications

References 76 publications

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Cdo‐Zno Nanocomposite for Efficient Dye Degradation, Sensitive Nitrite Detection, Potential Luminescence and Antioxidant Properties

Nethravathi,

Gayathri Devi,

Tejaswini

et al. 2024

ChemistrySelect

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Environmental remediation evinces sensitive detection and elimination of contaminants from the environment. Recent investigations delineate nanomaterials as potentially useful agents in environment remediation. In this investigation, we have developed multifunctional CdO‐ZnO nanocomposite (NCs) for efficient degradation of organic dyes and sensitive detection of nitrite ions which also exhibits excellent luminescence and antioxidant properties. The CdO‐ZnO NCs were developed through a facile method which improved the yield quantity by decreasing the energy consumption there by reducing the cost. Thus synthesized CdO‐ZnO NCs were characterized through X‐ray diffraction, FT‐IR, SEM, TEM, EDX studies. These studies confirmed the successful formation of CdO‐ZnO composite and the average particle size of the NCs was found to be ~50 nm. Selective reduction of harmful industrial organic dyes from the water bodies is one of the important aspects of water pollution. As prepared CdO‐ZnO NCs degraded the MB dye completely in 30 min under visible light irradiation. The effect of various parameters such as catalytic load, dye concentration and pH on the degradation of dye was assessed and the NCs exhibited maximum degradation efficiency at 25 mg of catalytic load and alkaline pH of 11. The photoluminescence studies reveal that the NCs have inherent excellent luminescence property by exhibiting the emission band at 277 and 282 nm. From electrochemical studies, the CdO‐ZnO NCs proclaimed magnificent nitrite sensing property with the LOD value of 9.8 μM. Additionally, antioxidant studies disclosed that NCs remarkably scavenged the DPPH free radicals with IC50 value of 249 μg/mL. Thus, this study establishes simple method for the development of efficient mixed oxide material CdO‐ZnO for multifunctional properties that could find industrial applications.

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Cdo‐Zno Nanocomposite for Efficient Dye Degradation, Sensitive Nitrite Detection, Potential Luminescence and Antioxidant Properties

Nethravathi,

Gayathri Devi,

Tejaswini

et al. 2024

ChemistrySelect

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Fabrication of Highly Sensitive and Selective Nitrite Colorimetric Sensor Based on the Enhanced Peroxidase Mimetic Activity of Using Acetic Acid Capped Zinc Oxide Nanosheets

Ullah,

Zhengxin

et al. 2024

J Fluoresc

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Multifunctional Pr-V2O5/rGO hybrid nanomaterial for sensitive heavy metal ion detection and efficient photocatalytic dye degradation

Harshitha,

Kumar,

Nethravathi

et al. 2024

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Ag-Cu2O decorated reduced graphene oxide nanocomposite for photocatalytic water splitting, methylene blue dye degradation, electrochemical nitrite sensing, photoluminescence and selected biological applications

Cited by 7 publications

References 76 publications

Cdo‐Zno Nanocomposite for Efficient Dye Degradation, Sensitive Nitrite Detection, Potential Luminescence and Antioxidant Properties

Cdo‐Zno Nanocomposite for Efficient Dye Degradation, Sensitive Nitrite Detection, Potential Luminescence and Antioxidant Properties

Fabrication of Highly Sensitive and Selective Nitrite Colorimetric Sensor Based on the Enhanced Peroxidase Mimetic Activity of Using Acetic Acid Capped Zinc Oxide Nanosheets

Multifunctional Pr-V2O5/rGO hybrid nanomaterial for sensitive heavy metal ion detection and efficient photocatalytic dye degradation

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