Utilizing <i>Cymbopogon Proximus Grass</i> Extract for Green Synthesis of Zinc Oxide Nanorod Needles in Dye Degradation Studies

Manal A. Awad; Awatif A. Hendi; Khalid M. O. Ortashi; Reema A. Alnamlah; Asma Alangery; Eman Ali Alshaya; Saad G. Alshammari

doi:10.3390/molecules29020355

Molecules (Jan 2024)

Utilizing <i>Cymbopogon Proximus Grass</i> Extract for Green Synthesis of Zinc Oxide Nanorod Needles in Dye Degradation Studies

Manal A. Awad,
Awatif A. Hendi,
Khalid M. O. Ortashi,
Reema A. Alnamlah,
Asma Alangery,
Eman Ali Alshaya,
Saad G. Alshammari

Affiliations

Manal A. Awad: King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Awatif A. Hendi: Department of Physics and Astronomy, College of Sciences, King Saud University, P.O. Box 22452, Riyadh 11459, Saudi Arabia
Khalid M. O. Ortashi: Department of Chemical Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
Reema A. Alnamlah: Department of Physics and Astronomy, College of Sciences, King Saud University, P.O. Box 22452, Riyadh 11459, Saudi Arabia
Asma Alangery: Department of Chemistry, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Eman Ali Alshaya: King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Saad G. Alshammari: Department of Chemistry, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia

DOI: https://doi.org/10.3390/molecules29020355
Journal volume & issue: Vol. 29, no. 2
p. 355

Abstract

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This study successfully synthesized zinc oxide nanorod needles (ZnO-NRNs) using an environmentally friendly method employing Cymbopogon Proximus extract. The resulting ZnO-NRNs exhibited exceptional physicochemical and structural properties, confirmed through various characterization techniques, including UV-Vis spectrophotometry, dynamic light scattering (DLS), transmission electron microscopy (TEM), X-ray diffraction (XRD), and energy-dispersive X-ray spectroscopy (EDX). The analysis revealed a hexagonal wurtzite structure with high crystallinity, a 3.6 eV band gap, and a notably blue-shifted absorption band. ZnO-NRNs showed impressive photocatalytic activity, degrading Rhodamine B dye by 97% under UV and visible sunlight, highlighting their photostability and reusability. This green synthesis process offers cost effectiveness and environmental sustainability for practical applications.

Published in Molecules

ISSN: 1420-3049 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Chemistry: Organic chemistry
Website: http://www.mdpi.com/journal/molecules

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