Figure 7

Emission spectra of Bi4Si3O12: xEu3+ (x = 1 at%, 2 at%, 3 at%, 4 at%, 5 at%) phosphors under 271 nm (a) and 393 nm (b) excitation at room temperature
Emission spectra of Bi4Si3O12: xEu3+ (x = 1 at%, 2 at%, 3 at%, 4 at%, 5 at%) phosphors under 271 nm (a) and 393 nm (b) excitation at room temperature