Review Article
Photocatalysis and Bandgap Engineering Using ZnO Nanocomposites
Figure 8
(a) Band alignment of ZnO and Ag2S [218]. (b) Optical absorption spectra of uncoated ZnO nanorods and ZnO/Ag2S and ZnO/CdS core-shell nanostructures [216]. (c) Photocatalytic performances of uncoated ZnO nanorods and ZnO/Ag2S and ZnO/CdS core-shell nanostructures for the degradation of MB solution under illumination of visible light [216]. (d) UV-Vis absorption spectra [217]. (e) Photodegradation. The plot of versus reaction time at pH 4 [217]. (f) Photodegradability of AB 1; [AB 1] = 2 × 10−4 M; catalyst suspended = 4 g L−1, pH = 9; airflow rate = 8.1 mL s−1 [218].
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