Abstract
The development of green synthesis of nanoparticles has received increasing attention due to ease of preparation, less chemical handling and of eco-friendly nature. It is of considerable importance to expand their biological applications. Currently, a variety of inorganic nanoparticles with well-defined chemical composition, size and morphology have been synthesized by using different microorganisms, fungus, plant extracts and their applications in many cutting-edge technological areas have been explored. In the present study, silver nanoparticles (AgNPs) were successfully synthesized from AgNO3 through a simple green synthesis route using the latex of Thevetia peruviana as reducing as well as capping agent. Synthesized silver nanoparticles were characterized using UV-Vis spectrophotometer, FTIR, SEM-EDS, XRD and HRTEM. UV-Vis spectra showed absorption at 570 nm with a shoulder at 395 nm. FTIR spectra analysis confirmed the functional groups involved in the silver nanoparticles formation. X-ray diffraction pattern of silver nanoparticles exhibited the diffraction angle at 34.48°, 40.12° and 45.39° which is corresponding to (222), (400) and (420) Braggs reflection planes respectively with interplaner spacing of 2.59 A obtained by HRTEM. TEM analysis showed the particles are spherical in nature with its size distribution between 10 and 30 nm.
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