FIGURE 3.
(A) XRD patterns and (B) nitrogen adsorption–desorption isotherms of g-C3N4, CdS, and g-C3N4/CdS. Inset in Figure 3B is the corresponding BJH pore size distribution. (C) UV-Vis of absorption spectra and (D) the corresponding (αEphoton)0.5 vs photon energy curves.