In recent years, the development of eco-friendly and sustainable synthesis of nanoparticles has been a topic of great interest in the field of nanotechnology. The use of plant extracts as reducing agents for the synthesis of nanoparticles has emerged as a promising green approach due to their abundance, low toxicity, and cost-effectiveness. NiO nanoparticles, in particular, have a wide range of applications in electronics, catalysis, energy storage,...