Photoassisted Synthesis of Silver Nanoparticles Using Riceberry Rice Extract and Their Antibacterial Application

Figure 2

(a) Effect of irradiation light on the synthesis of AgNPs with and without RB extract (AgNO₃ : RB extract 1 : 12.5, pH 2.5), (b) UV–vis spectra of AgNPs derived by various irradiation time from 1 to 180 min (b), and (c) kinetic of the synthesis of AgNPs plotting at maximum wavelength (500 nm) vs. irradiation time (AgNO₃ : RB extract 1 : 12.5, pH 2.5).

(a)

(b)

(c)