Fig. 1

Characterization of synthesized SiO2 NPs. (A) SEM micrograph of silica nanoparticle, (B) EDX analysis of silica nanoparticle, (C) UV-VIS spectrophotometry showing the optical absorption spectra of silica nanoparticles, (D) FTIR spectra of silica nanoparticle and (E) XRD graph showing the size of silica nanoparticles.