Figure 3From: Enhancing blue luminescence from Ce-doped ZnO nanophosphor by Li dopingCore level XPS of Ce3d. Core level XPS of Ce3d for (a) Ce0.004Zn0.996O, (b) Ce0.004Zn0.996 - xO:x Li+ (x = 0.005) and (c) Ce0.004Zn0.996 - xO:x Li+ (x = 0.02) phosphors.Back to article page