Facile synthesis of green engineered CuO/Cu2O-C nano heterostructures with the controlled Cu2O content for the photodegradation of crystal violet

Madhuri Peddada, Lakshmi; Phyu Cho, Phyu; Dulgaj, Saarthak; Annapragada, Ratnamala; Raja Kanuparthy, Phani

doi:10.1016/j.rio.2023.100537

Results in Optics

2023

DOI: 10.1016/j.rio.2023.100537

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Facile synthesis of green engineered CuO/Cu2O-C nano heterostructures with the controlled Cu2O content for the photodegradation of crystal violet

Lakshmi Madhuri Peddada,

Phyu Phyu Cho,

Saarthak Dulgaj

et al.

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2024

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Cited by 4 publications

References 55 publications

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Photoelectrochemical properties of Cu2O/CuO microstructure grown on cu foil using dielectric barrier discharge plasmas

Alkareem,

Dakhil,

Ahmed

2024

J Nanopart Res

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Photoelectrochemical properties of Cu2O/CuO microstructure grown on cu foil using dielectric barrier discharge plasmas

Alkareem,

Dakhil,

Ahmed

2024

J Nanopart Res

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Terminalia catappa leaf extract as a bio-reducing agent to synthesize Cu2O nanoparticles for methylene blue photodegradation

Nguyen,

Nguyen

et al. 2024

Discov Appl Sci

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The large tree species Terminalia catappa is a member of the Combretaceae family and is mainly found in tropical climates. They are commonly cultivated for shade because they have huge, dense foliage. Numerous polyphenols, including flavonoids, tannins, saponins, and phytosterols, are present in the leaves. In this study, the green chemical method was used to extract polyphenols from dried green almond leaves. They were employed in the synthesis of Cu2O nanoparticles as a reducing agent. FTIR and UV–Vis were used to describe the leaf extract of Terminalia catappa after the chlorophyll was removed. Copper salt was used to create Cu2O nanoparticles via a reduction process. The extract's potential for photocatalytic dye degradation has also been explored. The obtained Cu2O had a spherical shape with dimensions of 50–100 nm, and its band gap energy reached 1.945 eV to remove methylene blue from aqueous media under visible light irradiation conditions. At an initial MB concentration of 10 ppm, the decomposition efficiency reached 71.99% after only 2 h of exposure to simulated sunlight. The decomposition process occurred according to a pseudo-first-order kinetic model with a rate constant of 0.0084 min−1.

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Sustainable Synthesis of Green Cu2O Nanoparticles using Avocado Peel Extract as Biowaste Source

ÖZBAŞ

2024

Journal of the Turkish Chemical Society Section A: Chemistry

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In recent years, there has been a significant shift towards the production of advanced nanomaterials using sustainable methods, reflecting a heightened focus on reducing environmental impact and optimizing resource utilization. This growing interest stems from the necessity to address environmental concerns and embrace eco-friendly practices in material synthesis. The primary objective of this study is to explore the eco-friendly synthesis of novel metal oxide nanoparticles (NPs) by utilizing bio-waste as a sustainable precursor. The central theme revolves around employing ultrasound-assisted techniques for Cu2O NP synthesis, with a specific emphasis on utilizing avocado peel waste as an effective phytochemical compound for capping. Through systematic process optimization, we conducted a comprehensive assessment of the resulting NPs, delving into their chemical, thermal, and surface properties. Advanced characterization techniques, including X-ray Diffraction analysis (XRD), Transmission Electron Microscopy (TEM), Thermogravimetric Analysis (TGA), Differential Scanning Calorimetry (DSC), and Fourier-transform Infrared Spectroscopy (FT-IR), were employed to gain profound insights into the attributes of the synthesized NPs. Our experimental results conclusively demonstrate the successful synthesis of spherical Cu2O NPs, each with a diameter of 25 ± 2 nm. This was achieved by utilizing avocado peel waste (APW) and ultrasound-assisted cavitation at room temperature. The study significantly contributes to our understanding of the potential applications of green synthesis methods, paving the way for environmentally friendly and cost-effective Cu2O NPs.

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Facile synthesis of green engineered CuO/Cu2O-C nano heterostructures with the controlled Cu2O content for the photodegradation of crystal violet

Cited by 4 publications

References 55 publications

Photoelectrochemical properties of Cu2O/CuO microstructure grown on cu foil using dielectric barrier discharge plasmas

Photoelectrochemical properties of Cu2O/CuO microstructure grown on cu foil using dielectric barrier discharge plasmas

Terminalia catappa leaf extract as a bio-reducing agent to synthesize Cu2O nanoparticles for methylene blue photodegradation

Sustainable Synthesis of Green Cu2O Nanoparticles using Avocado Peel Extract as Biowaste Source

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