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Green Synthesis of Zinc Oxide Nanoparticles From Sour Cherry Pomace Extract As an Effective Light Absorber and Photocatalyst in Textile Industry Publisher



N Nasirzadeh NAFISEH ; Mr Monazzam Esmaeelpour Mohammad REZA ; R Faridimajidi REZA ; F Golbabaei FARIDEH
Authors

Source: Biomass Conversion and Biorefinery Published:2025


Abstract

The synthesis method of nanomaterials is known as one of the challenges in nanotechnology. In classical methods of synthesis, a chemical substance is used as the reducing agent, provoking safety and environmental concerns. To solve these concerns, nanotechnology is being pushed to the “green” side. In this regard, this research attempts to present a green technique using sour cherry pomace extract for the synthesis of zin oxide nanoparticles (ZnO-NPs), which can be used as an effective light absorber and photocatalyst in textile industry. In this study, ZnO nanoparticles have been synthesized using sour cherry pomace extract. To optimize the synthesis, various pH, temperature and concentration of metallic salt were examined. Characteristics of nanomaterials were identified by UV–vis spectroscopy, field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD) and Fourier infrared transformation spectroscopy (FTIR). Also, photocatalytic activity was evaluated under visible light. The XRD pattern confirmed peaks for ZnO-NPs. UV–vis spectroscopy showed a peak absorbance in 355 nm for ZnO-NPs. Also, ZnO NPs had the spherical shape with a range size from 16.22 to 53.78 nm. The FTIR spectra verified the existence of the reducing agents in extract. Photocatalytic performance showed that after 30 min, 40.19% color degradation occurs at initial ZnO-NPs concentration of 3g/L and finally, absorption peak of color was almost disappeared after 300 min. The green synthesis using pomace plants can be a cost–benefit approach and replaced to common chemical methods. In addition, these nanoparticles are an effective light absorber and photocatalyst that can be effectively used in the development of textile industries. © 2025 Elsevier B.V., All rights reserved.
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