Structure and Optical Properties of Doped SiO<b><sub>2</sub></b>  Mesoporous Glasses

<table>Excitation and emission spectra of MG<sub>2</sub>-Fe, MG<sub>3</sub>-Cu, and MG<sub>3</sub>-Fe taken at room temperature.</table>

Journal of Nanotechnology

Figure 16: Structure and Optical Properties of Doped SiO<b><sub>2</sub></b>  Mesoporous Glasses 