3. TEM images for (a) g-C3N4, and (b) g-C3N4/AgBr/Fe3O4 (4:1) nanocomposite.Figure optionsDownload full-size imageDownload as PowerPoint slide
The FT-IR spectra for g-C3N4, g-C3N4/Fe3O4 (4:1) and g-C3N4/AgBr/Fe3O4 nanocomposites with different weight ratios of g-C3N4/AgBr to Fe3O4 are shown in Fig. 4. For pristine g-C3N4, the bands in range of 1230–1650 cm−1 correspond to the stretching vibrations of CN and CN in heterocycles .