Reducing power of Eucalyptus oleosa leaf extracts and green synthesis of gold nanoparticles using the extract

Figures & data

Figure 1. Cyclic voltammograms of extract Eucalyptus oleosa in pH 7.0 at a glassy carbon electrode, scan rates: 20, 50, 100, 200, 300, and 400 mV.s⁻¹; The extract was prepared at temperature of A: 25°C, B: 50°C, and C: 100°C.

Figure 2. Effect of extraction conditions on the anodic peak current (I_pa) values of the Eucalyptus oleosa extract.

Figure 3. UV-Vis spectra responsible to the development of gold nanoparticles during time by E. oleosa extract.

Figure 4. A: Transmission electron microscopy (TEM) image and B: particle size distribution of synthesized GNPs.