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. Author manuscript; available in PMC: 2015 Sep 15.
Published in final edited form as: J Colloid Interface Sci. 2014 May 2;430:257–264. doi: 10.1016/j.jcis.2014.04.053

Fig. 9.

Fig. 9

Decrease in the UV-vis absorption band of Rh B in presence of (a) GR-ZnO catalyst and (b) GR-ZnO-CoPC catalyst at different time of exposure to sunlight.