Figure 6From: Functionalized Mesoporous SBA-15 with CeF3: Eu3+ Nanoparticle by Three Different Methods: Synthesis, Characterization, and PhotoluminescenceThe excitation (a) and emission (b) spectra for CeF3: Eu3+/SBA-15/SI, CeF3: Eu3+/SBA-15/SS, and CeF3: Eu3+/SBA-15/ISBack to article page