Fig. 6From: S-Doped Sb2O3 Nanocrystal: an Efficient Visible-Light Catalyst for Organic Degradationa Temporal changes of MO concentration as monitored by the UV–vis absorption spectra at 464 nm on Sb2O3 and Sb2O3-S-pH (pH = 10, 12, and 14). b Temporal absorption spectral patterns of MO during the photodegradation process over Sb2O3-S-12Back to article page