Mathematical modelling of seed-mediated size-specific growth of spherical silver nanoparticles using Azadirachta indica leaf extract

Figures & data

Figure 1. Seeded growth of silver nanoparticles using Azadirachta indica leaf extract.

Figure 2. UV absorbance spectrum of silver nanoparticles seed solution at 50% dilution.

Figure 3. TEM image of silver nanoparticle seeds.

Table 1. Predicted silver nanoparticle size at the end of each step during growth stage I.

Number of steps (n)	1	2	3	4	5	6	7	8	9	10
AgNP size (nm)	6.01	6.77	7.38	7.91	8.37	8.79	9.18	9.53	9.86	10.17

Table 2. Predicted silver nanoparticle size at the end of each step during growth stage II.

Number of steps (n)	11	12	13	14	15	16	17	18	19	20
AgNP size (nm)	13.63	15.89	17.65	19.11	20.37	21.5	22.52	23.45	24.32	25.12

Figure 4. TEM image of silver nanoparticles at different stages of growth (a) n = 0, (b) n = 5, (c) n = 10, (d) n = 15 & (e) n = 20.

Figure 5. UV-absorbance spectra of silver nanoparticle colloidal solution after various growth steps.