Figure 4
From: Preparation of ZnGa2O4 nanoflowers and their full-color luminescence properties
(a) Digital images of ZnGa2O4, ZnGa2O4:Mn2+, and ZnGa2O4:Cr3+ on glass substrates under UV light excitation. (b) Normalized PL emission spectra of ZnGa2O4, ZnGa2O4:Mn2+, and ZnGa2O4:Cr3+ samples. (c) The for ZnGa2O4 (0.19, 0.23), ZnGa2O4:Mn2+ (0.10, 0.65), and ZnGa2O4:Cr3+ (0.66, 0.34) samples.
