Table 3 Results of the deconvolution of the 950–1250 cm -1 spectral region of the DRIFT spectra: components’ center in cm -1 and relative areas (in%)
From: The sol-gel entrapment of noble metals in hybrid silicas: a molecular insight
SiliaCatPd0 | SiliaCatPt0 | |||
|---|---|---|---|---|
(SiO)6rings | (SiO)4rings | (SiO)6rings | (SiO)4rings | |
LO center / cm-1 | 1135 | 1096 | 1138 | 1097 |
Area (%) | 35.8 | 12.8 | 32.5 | 18.3 |
TO center / cm-1 | 1034 | 1073 | 1035 | 1070 |
Area (%) | 46.7 | 4.7 | 43.9 | 5.3 |
LO-TO splitting/cm-1 | 101 | 23 | 103 | 27 |
Relative area% | 82.5 | 17.5 | 76.4 | 23.6 |