Ecofriendly Synthesis of Silver Nanoparticles from Garden Rhubarb (Rheum rhabarbarum)

Figure 1

Variation of UV-visible spectra of RR-SNPs obtained using stem extract of Rheum rhabarbarum (RR) with (a) volume of AgNO₃, (b) volume of RR, and (c) volume of both RR and AgNO₃.

(a)

(b)

(c)