Fungal-Mediated Green Synthesis of ZnO-NPs: Characterization and Sonocatalytic Activity
7 affiliations
- 1Chemistry Department, College of Science, Jouf University, Sakaka 72341, Saudi Arabia
- 2Department of Chemistry, Al-Qunfudah University College, Umm Al-Qura University, P.O. Box 1109, Al-Qunfudah 21912, Saudi Arabia
- 3Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- 4Water Research Center, King Abdulaziz University, P.O. Box 80200, Jeddah 21598, Saudi Arabia
- 5Department of Chemistry, Faculty of Science, Fayoum University, Fayoum P.O. Box 63514, Egypt
- 6Faculty of Science, Department of Botany and Microbiology, Luxor University, Luxor 1361013, Egypt
- 7Physics Department, College of Science, Jouf University, Sakaka 72341, Saudi Arabia
Abstract
An eco-friendly biogenic approach for the synthesis of zinc oxide nanoparticles using a mushroom extract as a capping agent is reported in this study. Comprehensive characterization was performed by comparing as-prepared mushroom-coated nanoparticles (ZnO–BC) with calcined pure nanoparticles (ZnO–AC at 450 °C) by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM), atomic force microscopy (AFM), Fourier transform infrared (FT-IR), dynamic light scattering (DLS), Zeta potential, thermal gravimetric analysis (TGA), and X-ray diffraction (XRD). According to AFM and DLS results, the 10–15 nm cores were dispersed in the organic matrix for the ZnO–BC sample, while these cores converted into well–defined, clean hexagonal ZnO nanograins (10–40 nm) for ZnO–AC. The Zeta potential values changed from −16 mV for ZnO–BC to +24 mV for ZnO–AC, indicating that the negatively charged biomolecular capping groups were removed, yielding an uncapped ZnO surface. The investigation of ZnO–AC as a heterogeneous sonocatalyst in the Claisen–Schmidt condensation under ultrasonic irradiation afforded the corresponding chalcones in 90–98% yields within 4–11 min at 50 °C in EtOH/H2O. Hot filtration test confirmed no detectable zinc leaching under the experimental conditions, and the catalyst remained robustly stable over five cycles with favorable green metrics (AE = 90.2% and E-factor = 0.18).
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BibTeX
@article{alanazi2026fungalmediated,
title = {{Fungal-Mediated Green Synthesis of ZnO-NPs: Characterization and Sonocatalytic Activity}},
author = {Ahmed Hamad Alanazi and Amnah Salem Al Zbedy and Wael A. A. Arafa and Fahed A. Aloufi and Riyadh F. Halawani and Ismail M. Ahmed and Asmaa K. Mourad and Shaima M. N. Moustafa and Majed Alshammari and Mohamed Y. El-Sayed and Amr Mohammad Nassar},
journal = {Catalysts},
year = {2026},
month = oct,
doi = {10.3390/catal16110966},
url = {https://www.mdpi.com/2073-4344/16/11/966},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Fungal-Mediated Green Synthesis of ZnO-NPs: Characterization and Sonocatalytic Activity
AU - Ahmed Hamad Alanazi
AU - Amnah Salem Al Zbedy
AU - Wael A. A. Arafa
AU - Fahed A. Aloufi
AU - Riyadh F. Halawani
AU - Ismail M. Ahmed
AU - Asmaa K. Mourad
AU - Shaima M. N. Moustafa
AU - Majed Alshammari
AU - Mohamed Y. El-Sayed
AU - Amr Mohammad Nassar
PY - 2026
DA - 2026/10/29
JO - Catalysts
DO - 10.3390/catal16110966
UR - https://www.mdpi.com/2073-4344/16/11/966
AB - An eco-friendly biogenic approach for the synthesis of zinc oxide nanoparticles using a mushroom extract as a capping agent is reported in this study. Comprehensive characterization was performed by comparing as-prepared mushroom-coated nanoparticles (ZnO–BC) with calcined pure nanoparticles (ZnO–AC at 450 °C) by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM), atomic force microscopy (AFM), Fourier transform infrared (FT-IR), dynamic light scattering (DLS), Zeta potential, thermal gravimetric analysis (TGA), and X-ray diffraction (XRD). According to AFM and DLS results, the 10–15 nm cores were dispersed in the organic matrix for the ZnO–BC sample, while these cores converted into well–defined, clean hexagonal ZnO nanograins (10–40 nm) for ZnO–AC. The Zeta potential values changed from −16 mV for ZnO–BC to +24 mV for ZnO–AC, indicating that the negatively charged biomolecular capping groups were removed, yielding an uncapped ZnO surface. The investigation of ZnO–AC as a heterogeneous sonocatalyst in the Claisen–Schmidt condensation under ultrasonic irradiation afforded the corresponding chalcones in 90–98% yields within 4–11 min at 50 °C in EtOH/H2O. Hot filtration test confirmed no detectable zinc leaching under the experimental conditions, and the catalyst remained robustly stable over five cycles with favorable green metrics (AE = 90.2% and E-factor = 0.18).
SN - 2073-4344
ER -