Fig. 4From: Fabrication of CdTe QDs/BiOI-Promoted TiO2 Hollow Microspheres with Superior Photocatalytic Performance Under Simulated SunlightNitrogen absorption-desorption isotherms of a TiO2(S)/CdTe/BiOI and b TiO2(H)/CdTe/BiOIBack to article page