Research Article

Facile Synthesis of Rambutan-Like ZnO Hierarchical Hollow Microspheres with Highly Photocatalytic Activity

Figure 10

(a) UV-vis absorption spectra from the 2.5 × 1 M RhB solution with 0.3 mg·m hollow rambutan-like ZnO HHMs at different time intervals and (b) RhB photodegradation curves of the C/C0 versus time in the absence (curve a) and presence of commercial ZnO (curve b) or rambutan-like ZnO HHMs (curve c).
(a)
(b)