Abstract
Green synthesis of metal oxide nanoparticles using plant extract is a promising alternative to traditional method of chemical synthesis. In this paper, we report the synthesis of nanostructured zinc oxide particles by biological method. Highly stable and spherical zinc oxide nanoparticles are produced by using zinc acetate and Ixora coccinea leaf extract. Formation of zinc oxide nanoparticles has been confirmed by UV-Vis absorption spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Dynamic light scattering analysis (DLS), zetapotential study and Scanning Electron Microscope with the Energy Dispersive X-ray studies (EDX). Dynamic light scattering analysis shows average particle size of 145.1 nm whereas high zeta potential value confirms the stability of formed zinc oxide nanoparticles. The Scanning Electron Microscope reveals spherical morphology of nanoparticles and Energy Dispersive X-ray analysis confirms the formation of highly pure zinc oxide nanoparticles. The zinc oxide nanoparticles from Ixora coccinea leaves are expected to have applications in biomedical, cosmetic industries, biotechnology, sensors, medical, catalysis, optical device, coatings, drug delivery and water remediation, and also may be applied for electronic and magneto-electric devices. This new eco-friendly approach of synthesis is a novel, cheap, and convenient technique suitable for large scale commercial production.
Highlights
IntroductionNanoparticles are of great interest due to their extremely small size and large surface area to volume ratio, which lead to both chemical and physical differences in their
Zinc oxide nanoparticles have been successfully synthesized by using this method
The prepared zinc oxide nanoparticles were spherical in shape and were characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Energy Dispersive X-ray studies (EDX), Dynamic light scattering analysis (DLS), UV-Vis absorption and Scanning Electron Microscope (SEM) techniques
Summary
Nanoparticles are of great interest due to their extremely small size and large surface area to volume ratio, which lead to both chemical and physical differences in their. Different physical and chemical processes are currently widely used to synthesize metal nanoparticles, which allow one to obtain particles with the desired characteristics These production methods are usually expensive, labor-intensive, and are potentially hazardous to the environment and living organisms. Purpurascens [36], Medicago sativa [37], Anisochilus carnosus [38], milky latex of Calotropis procera [39], Poncirus trifoliate plant dried fruits, Hibiscus rosasinensis [40] and fruit juice of Citrus aurantifolia [41] In this regard using green methods in the synthesis of zinc oxide nanoparticles has increasingly become a need of time. In the present investigation, biological approach using leaf extract of Ixora coccinea as a reducing as well as surface stabilizing agent for the synthesis of zinc oxide nanoparticles has been reported.
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