Synthesis of C-Cl-codoped titania/attapulgite composites with enhanced visible-light photocatalytic activity

The C-Cl-codoped TiO2/ATT composites achieved by a facile sol-gel procedure exhibit much higher visible-light-induced degradation of acid red G than P25 TiO2 due to the extended visible absorbance and depression of the recombination of photoexcited electron/hole pairs.