Figure 3
From: Preparation of ZnGa2O4 nanoflowers and their full-color luminescence properties
Excitation and emission spectra of (a) ZnGa2O4, (b) ZnGa2O4:Mn2+, (c) ZnGa2O4:Cr3+ and (d) photoluminescence decay curves and bi-exponential fittings for the ZnGa2O4, ZnGa2O4:Mn2+ and ZnGa2O4: Cr3+.
