Phytosynthesis of silver nanoparticles from aqueous leaf extracts of Piper colubrinum: characterisation and catalytic activity

Figures & data

Figure 1. Piper colubrinum plant.

Figure 2. (a) AgNO₃, (b) leaf extract, (c) synthesised silver nanoparticle.

Figure 3. UV–Visible absorption spectra of (a) AgNO₃, (b) leaf extract, (c) AgNPs.

Figure 4. (a) FTIR spectrum of leaf extract of P. colubrinum, (b) PCAgNPs.

Figure 5. XRD pattern of AgNPs.

Figure 6. TEM micrograph of the silver nanoparticlesthe scale bar corresponds to 20 nm.

Figure 7. SEM images of AgNPs.

Figure 8. EDX spectrum of synthesised AgNPs using Piper colubrinum leaf extract.

Figure 9. AFM image: (a and b) Topological view of synthesised AgNPs, (c) 3-dimensional image of AgNPs.

Figure 10. Evaluate the dye degradation activityof AgNPs in different time intervals.

Figure 11.   Antibacterial activity of phytosynthesized AgNPs using P. colubrinum against E. coli and S. aureus.