Fig. 3From: Green Synthesized Phytochemically (Zingiber officinale and Allium sativum) Reduced Nickel Oxide Nanoparticles Confirmed Bactericidal and Catalytic Potentiala–d Absorption spectra of green synthesized NiO-NPs with ginger (a) and garlic extract (b). Band gap of phytochemically reduced NiO by ginger (c) and garlic (d) respectivelyBack to article page