Review Article
Silica Aerogel: Synthesis and Applications
Table 1
Precursors for silica aerogel synthesis.
| | Hydrophilic precursors | Hydrophobic precursors |
| | Tetramethoxysilane (TMOS) | Methyltrimethoxysilane | | Tetraethoxysilane (TEOS) | Methyltriethoxysilane (MTES) | | Sodium Silicate (Na2SiO3) | | (i) Aerogels- high optical transmission (90 %). | (i) Aerogels-opaque. | | (ii) Density 0.1 g/cm3. | (ii) Density 0.1 g/cm3. | | (iii) Hard & Brittle. | (iii) Soft and flexible. |
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