Fig. 3

Optical absorbance spectra. (a) UV-Vis absorption spectrum of the all studied samples and deconvoluted UV spectra of (b) g-C3N4, (c) GO, (d) g-C3N4@GO, (e) g-C3N4@rGO(AA), and (f) g-C3N4@rGO(NaBH4).

Optical absorbance spectra. (a) UV-Vis absorption spectrum of the all studied samples and deconvoluted UV spectra of (b) g-C3N4, (c) GO, (d) g-C3N4@GO, (e) g-C3N4@rGO(AA), and (f) g-C3N4@rGO(NaBH4).