Fig. 4
From: Photocatalytic removal of toluene with CdIn2S4/CNFs catalyst: effect of ozone addition
(a) XRD patterns of CIS, CNFs, and CIS/CNFs heterojunctions (CIS/CNFs-1, 2, 3 and 4); (b) the magnified XRD patterns of CIS and CIS/ CNFs-x composites