Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 293, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2019.111509
Keywords
C. gigantea; Latex; NiO NPs; Azo dye; Nitrophenol; Kinetics
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In this manuscript we have prepared nickel oxide nanoparticles (NiO NPs) using Calotropis gigantea latex (CGL) through green synthesis method in which the latex acts as a capping agent. The synthesis part was optimized using RSM-BBD methodology. Further the synthesized NiO NPs were subjected to various analytical techniques like UV-Visible spectroscopy, Transmission Electron Microscope (TEM), X-ray diffractometer (XRD), Energy Dispersive Analysis (EDX), Particle Size Histogram and Zeta potential. We observed the cuboidal shape of NiO NPs with 28 +/- 2 nm as average particle size. Further the synthesized NiO NPs were subjected to degrade toxic diazo dye Congo red (CR) and organic compound 4-Nitro phenol in the presence of sunlight within short duration of time. The results indicate that the NiO NPs degrades 95% of CR and 94% of nitro phenol. (C) 2019 Elsevier B.V. All rights reserved.
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