Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 207, Issue -, Pages 159-163Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2015.03.029
Keywords
Calendula officinalis; Green synthesis; Silver nanoparticles; Seed extract
Funding
- Deanship of Scientific Research grant at King Saud University [RGP-VPP-292]
- Graduate University of Advanced Technology, Kerman, Iran
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The biological synthesis of silver nanoparticles (Ag/NPs) at a different condition using hot water seed extract of Calendula officinalis as reducing agent is reported. The as-prepared Ag/NPs were characterized by UV-vis spectroscopy; transmission electron microscopy, X-ray diffraction and Fourier transform infrared spectroscopy analysis. UV-visible spectrum indicated a good absorption peak at 440 nm relative to Ag/NPs. TEM result shows a spherical cubic structure with an average size ranging from 5-10 nm for silver nanoparticle. Stability of bio-reduced silver nanoparticles was analyzed using UV-vis absorption spectra. Result shows that the Ag/NPs were found to be amazingly stable even after 4 months. (C) 2015 Elsevier B.V. All rights reserved.
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