Enhanced Photocatalytic Activity of BiOBr/ZnO Heterojunction Semiconductors Prepared by Facile Hydrothermal Method

Table 1

Pseudo-first order reaction rate constant () for various processes, respectively.

Composites	(10^−3 min^−1)
ZnO	0.39	0.9288
5 wt.% BiOBr-ZnO	0.82	0.9935
10 wt.% BiOBr-ZnO	1.18	0.9933
15 wt.% BiOBr-ZnO	2.05	0.9903
25 wt.% BiOBr-ZnO	3.17	0.9739
50 wt.% BiOBr-ZnO	4.15	0.9999
75 wt.% BiOBr-ZnO	2.16	0.9996
BiOBr	3.28	0.9875