Figure 6.
The excitation (
a
) and emission (
b
) spectra for CeF
3
: Eu
3+
/SBA-15/SI, CeF
3
: Eu
3+
/SBA-15/SS, and CeF
3
: Eu
3+
/SBA-15/IS
Li and Yan
Nanoscale Research Letters
2010
5
:701 doi:10.1007/s11671-010-9534-0