Fig. 4From: Fabrication and Photocatalytic Property of Novel SrTiO3/Bi5O7I Nanocompositesa DRS spectra of SrTiO3/Bi5O7I nanocomposites and b the Tauc plot of (Ahν)1/2 versus hν the pure Bi5O7I and 30 wt% SrTiO3/Bi5O7I nanocomposite, the Tauc plot of (Ahν)2 versus hν the pure SrTiO3 inset picture of bBack to article page