Fig. 7From: Carbonaceous composite materials from calcination of azo dye-adsorbed layered double hydroxide with enhanced photocatalytic efficiency for removal of Ibuprofen in waterPhotoluminescence (PL) spectra (a), photocurrent plot (b) and EIS Nyquist plot (c) of ZnAlLa-500CLDH and CM-CLDH10Back to article page