Microwave assisted green synthesis of ZnO nanoparticles using Rumex dentatus leaf extract: photocatalytic and antibacterial potential evaluation
Author:
Nazir Arif1, Raza Mohsan1, Abbas Mazhar2, Abbas Shaista3, Ali Abid1, Ali Zahid1, Younas Umer1, Al-Mijalli Samiah H.4, Iqbal Munawar5
Affiliation:
1. Department of Chemistry , The University of Lahore , Lahore , Pakistan 2. Department of Basic Science (Section Biochemistry), University of Veterinary and Animals Science Labore (Jhang Campus) , Jhang, 35200 , Pakistan 3. Department of Basic Science (Section Physiology), University of Veterinary and Animals Science Lahore (Jhang Campus) , Jhang 35200 , Pakistan 4. Department of Biology, College of Sciences , Princess Nourah bint Abdulrahman University , P.O. Box 84428 , Riyadh 11671 , Saudi Arabia 5. Department of Chemistry , Division of Science and Technology, University of Education , Lahore , Pakistan
Abstract
Abstract
In the present study, biological method was opted to synthesize ZnO NPs from Rumex dentatus plant. 0.1 M solution of zinc nitrate hexahydrate is mixed with the aqueous solution of R. dentatus plant leaves extract. The proportion of each solution was 1:1. Extract of plant leaves act as reducing agent. Firstly, the color changed from dark green to brown was observed and precipitates of light brown color appeared. Characterization of produced ZnO NPs was done using UV–Visible spectroscopy, scanning electron microscopy (SEM), energy dispersive X-rays (EDX) and X-ray diffraction (XRD) spectroscopy. The prepared ZnO NPS shows maximum absorption at 373 nm, in UV–Visible range. The shape of synthesized ZnO NPs is displayed by SEM. XRD analysis explains the average size of NPs is 6.19 nm. EDX tells about the percentage composition of synthesized ZnO NPs. Antibacterial analysis declared the NPs as good antibacterial agents. Photocatalytic activity of ZnO NPs was done using methyl orange dye. It was concluded that ZnO NPs can degrade toxic pollutants especially dyes.
Publisher
Walter de Gruyter GmbH
Subject
Physical and Theoretical Chemistry
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