Highly Effective Degradation of Nitrophenols by Biometal Nanoparticles Synthesized using Caulis Spatholobi Extract

Figure 7

UV-Vis spectra (a, b) and first-order kinetics (c, d) for degradation of 2-NP by NaBH₄ in the presence of CS-AgNPs (a, c) and CS-AuNPs (b, d).

(a)

(b)

(c)

(d)