Silver nanoparticles biosynthesis from Ficus pomifera, Strobilanthes flaccidifoliuss, and Crassocephalum crepidioides plant extracts

Abstract

This research can potentially impact the silver nanoparticle synthesis field significantly. The study describes the synthesis and tentative mechanism involved in silver nanoparticles with bioactives compounds 1, 2, 3, and 4 (cyclopentane derivative, polyol, Indigo, and polymer), characterized isolates from Ficus pomifera Wall, Strobilanthes flaccidifolius Nees and Crassocephalum crepidioides (Benth.) Moore. The findings of this research, particularly the characterization of silver nanoparticles formed with three compounds using energy-dispersive X-ray analysis, X-ray diffraction, transmission electron microscopy, FTIR, and UV–Vis spectroscopy, could pave the way for future advancements in the field. The average size was reported to be 50 nm, 16 nm, and 61 nm, respectively, for compounds 1, 3, and 4. Tentative mechanisms were developed for the formation of the nanoparticles by each compound 1, 3, and 4. Compound 1 reduced silver after dehydration, evident from a new ester carbonyl peak at 1743 nm from the IR spectrum. Compound 2 failed to reduce silver ions.