Biosynthesis of nickel oxide nanoparticles using Evolvulus alsinoides extract and their potential photocatalytic and invitro anticancer activity

Abstract

In this study, nickel oxide nanoparticles (NiO) were biosynthesized using Evolvulus alsinoides leaves extract and their size, phase study, and morphology were studied using various techniques. Furthermore, we evaluated the photocatalytic effects of NiO nanoparticles on the degradation of Rhodamine B (RhB), and its amazing potential as photocatalysis under UV light was observed throughout the research. This is a completely green approach that does not use any toxic or hazardous solvents. The biosynthesized NiO nanoparticles were characterized using HRTEM, XRD, FTIR, Raman spectroscopy, and Ultraviolet–visible spectroscopy (UV–Vis). The degradation of Rhodamine B (RhB) dye was used to test the catalytic activity of the synthesized nanoparticles. The first-order reaction kinetics was followed by photocatalytic efficiency against the RhB dye, which had a maximum degradation efficiency of 85 %. Therefore, the biosynthesized NiO nanoparticles obtained using Evolvulus alsinoides leaves extract has potential application in the photocatalytic application.