The High Photocatalytic Activity of SnO₂ Nanoparticles Synthesized by Hydrothermal Method

Figure 4

UV-visible absorbance spectra for photodegradation of MB dye according to illumination time under UVA irradiation: using commercial SnO₂ (a) and using SnO₂ NPs (b) and a magnified image (c).

(a)

(b)

(c)