Fig. 1.

(A) In vivo grown plant of Pimenta dioica in Prakriti garden studio, Mandi, New Delhi, India, (B) Silver nitrate without addition of Pimenta dioica leaf extract showed no color change (1) and after adding leaf extract showed visual color change from white to dark brown confirm silver nanoparticles synthesis (2), (C) Ultraviolet–visible spectrum of silver nanoparticles synthesized using Pimenta dioica leaf extract with 1 mM aqueous solution of silver nitrate showed characteristic absorption peak at 422 nm, (D) Ultraviolet–visible spectrum of silver nanoparticles synthesized using Pimenta dioica leaf extract after 20 min (1) and six weeks (2), (E) X-ray diffraction spectrum of silver nanoparticles synthesized employing aqueous leaf extract of Pimenta dioica showed their crystalline nature, (F) Scanning electron microscopy images of silver nanoparticles synthesized using aqueous leave extract Pimenta dioica.