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Studies on photocatalytic mineralization of organic pesticides by bimetallic Cu–Zn nanoparticles derived from Zingiber officinale Roscoe (ginger) using green chemistry approach

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Abstract

Compared to monometallic nanoparticles, bimetallic nanoparticle synthesis and characterization have attracted more attention due to their superior environmental protection properties. In this study, we discuss the preparation and characterization of Cu–Zn bimetallic nanoparticles using Zinger extract, as well as their potential role in photocatalytic degradation of carbendazim, chlorpyrifos, monocrotophos, and cypermethrin. Surface properties were assessed with SEM and TEM, while UV–VIS, XRD, FTIR, and fluorescence spectroscopy were used to characterize the materials. It was observed that higher pH conditions were more conducive to the development of stable Cu–Zn BMNPs with diameters ranging from 60 to 100 nm. UV–VIS spectroscopy showed that the Cu–Zn bimetallic nanoparticles photodegraded 53–95% of the pesticides, monocrotophos, chlorpyrifos, and carbendazim during the 24–72-h incubation period. A number of pesticides may be photocatalytically degraded by primary reactive radicals produced by nanoparticles. We propose that the use of bimetallic nanoparticles could be one alternative strategy for pesticide mineralization.

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Abbreviations

FTIR:

Fourier Transform Infrared spectroscopy

SEM:

Scanning electron microscopy

XRD:

X-Ray diffraction technique

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Acknowledgements

GS and TD duly acknowledges the support and help by the Management, Principal and Staff of Lyallpur Khalsa College, Jalandhar, for providing necessary facilities and logistics. Facilities of FTIR, Fluorescence spectroscopy provided in the form of Advanced Instrumentation laboratory under DST-FIST Grant by Ministry of Science and Technology, Government of India, is duly acknowledged.

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Gurpreet Singh (GS) conceptualized and designed the work, analyzed the data and prepared the manuscript; Tulsi Devi (TD) carried out experimentation and contributed equally in conduct and execution of the work.

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Correspondence to Gurpreet Singh.

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This is an observational study. The Research Ethics Committee of the college has confirmed that no ethical approval is required.

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Since no human population is involved in this experimental study, so no consent is required.

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Not applicable since it is purely an experimental work.

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The authors declare no competing interests.

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Responsible Editor: George Z. Kyzas

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The original online version of this article was revised: In the original published proof, the words “Zingiber officinale” was removed during proof correction process. The correct article title should be “Studies on photocatalytic mineralization of organic pesticides by bimetallic Cu–Zn nanoparticles derived from Zingiber officinale Roscoe (ginger) using green chemistry approach”.

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Singh, G., Devi, T. Studies on photocatalytic mineralization of organic pesticides by bimetallic Cu–Zn nanoparticles derived from Zingiber officinale Roscoe (ginger) using green chemistry approach. Environ Sci Pollut Res 31, 27699–27708 (2024). https://doi.org/10.1007/s11356-024-32966-y

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  • DOI: https://doi.org/10.1007/s11356-024-32966-y

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