Origin of Difference in Photocatalytic Activity of ZnO (002) Grown on a- and c-Face Sapphire
Figure 2
(a) Variation in RhB concentration over ZnO thin films grown on a-plane and c-plane sapphire; the inset of a is the plot of first order kinetics. (b) Rate constant in the degradation of RhB over ZnO thin films grown on a-plane and c-plane sapphire under full arc and visible light irradiation of Xe lamp.