Fig. 6From: Carbonaceous composite materials from calcination of azo dye-adsorbed layered double hydroxide with enhanced photocatalytic efficiency for removal of Ibuprofen in waterPhotodegradation efficiency over CM-CLDH10 under different pH conditions (a). Photodegradation efficiency over CM-CLDH10 with existence of different radical scavengers (b). ESR signals of 1O2, ·O2– and ·OH over ZnAlLa-500CLDH (c) and CM-CLDH10 (d)Back to article page