Synthesis and Characterization of Zinc Oxide and Iron Oxide Nanoparticles Using Sesbania grandiflora Leaf Extract as Reducing Agent

Abstract

The objectives of this present study are to synthesize iron oxide and zinc oxide nanoparticles from different concentrations of Sesbania grandiflora leaf extract (5-20%) using zinc nitrate and ferrous chloride as precursor materials and synthesized nanoparticles were characterized using UV-visible spectrometer, FTIR, X-ray diffraction, and SEM. The results showed that synthesized zinc oxide and iron oxide nanoparticles exhibited UV-visible absorption peaks at 235 nm and 220 nm, respectively, which indicated that both nanoparticles were photosensitive and the XRD study confirmed that both nanoparticles were crystalline in nature. In addition, FTIR was also used to analyze the various functional groups present in the synthesized nanoparticles. The SEM results reveal that zinc oxide nanoparticles were spherical in shape and having the particle size range of 15 to 35 nm whereas the iron oxide nanoparticles were nonspherical in shape with the size range of 25 to 60 nm. Application of synthesized nanoparticle on seafood effluent treatment was studied.

Biogenic fabrication of iron nanoadsorbents from mixed waste biomass for aqueous phase removal of alizarin red S and tartrazine: Kinetics, isotherm, and thermodynamic investigation

“…X‐ray diffraction (XRD) analysis was performed to predict the existence of crystalline components in the synthesized nanocomposite material (Figure d). The major reflection peaks observed at 27.37°, 32.15°, 44.7°, 56.15°, 68.0°, and 75.5° that corresponds to planes of (111), (221), (410), (510), (533), and (622) of crystalline Fe 3 O 4 . The peak detected at 27.37 2 θ degree divulged the capping of nanoadsorbents surface with biostabilizing compounds of the plant extract .…”

An Innovative Approach to Manganese-Substituted Hydroxyapatite Coating on Zinc Oxide–Coated 316L SS for Implant Application

“…Figure 4a shows ZnO coating on 316L SS, with the characteristic absorption band at 440 cm −1 attributed to ZnO stretching vibration mode [36]. The bond located at 3465 cm −1 indicates the stretching vibration of the O–H bond.…”

Green Synthesis of ZnO Nanoparticles using Jasminum Fluminense Leaf Extract and its Spectral and Optical Characterization Studies

“…The band at 1750 cm -1 corresponds to C=O stretching [9] whereas the peak at 1561 cm -1 is attributed to asymmetric stretching band from -COO-groups of acetate ions respectively [13]. The intense vibrational band around 1401 cm -1 is assigned to symmetric stretching of carbonyl side group [14] whereas the band at 922 and 858 cm -1 may correspond to O-H bending vibrations of carboxylic acid [15] and C-H bending vibration [10]. The vibrational band observed at 708 and 666 cm -1 corresponds to -C=C-H [16] and M-O stretching of ZnO [17] nanoparticles.…”