Fig. 7

(a) The UV-vis spectrum, (b) PL spectra of the prepared photocatalysts with the excitation wavelength = 275 nm, (c) EIS spectra of the prepared samples.

(a) The UV-vis spectrum, (b) PL spectra of the prepared photocatalysts with the excitation wavelength = 275 nm, (c) EIS spectra of the prepared samples.