Polymeric Droplets on SiO₂ Nanoparticles through Wastewater Treatment of Carbon-Based Contaminants in Photocatalytic Degradation

Figure 2

SEM micrograph of SA-doped SiO₂ nanomaterials at a different concentration as (a) 5 ml, (b)10 ml, (c)15 ml, and (d) 20 ml, respectively.

(a)

(b)

(c)

(d)