Iron Doped SBA-15 Mesoporous Silica Studied by Mössbauer Spectroscopy

Figure 3

The juxtaposition of the Raman spectra for silica containing propyl-phosphonic acid and propyl-iron-phosphonate units, theoretically calculated (a) and experimental (b). Main characteristic bands (bands appearing in only one species) are marked as coloured bands.

(a)

(b)