Fig. 4From: Green route synthesis and characterization of β-Bi2O3/SiO2 and β-Bi2O3/Bi2O2.75/SiO2 using Juglans regia L. shell aqueous extract and photocatalytic properties for the degradation of RB-5Photoluminescence spectra, Tauc plots for the bandgaps calculation, Bi4f and O1s XPS spectra of nanostructuresBack to article page