Aravind, P R; Shajesh, P; Smitha, S; Mukundan, P; Warrier, K G K
(Wiley, 2008)
Silica-alumina mixed oxide aerogels, with 5, 10, 15, 20, and 25 wt% of alumina in silica, have been synthesized by a hybrid sol-gel technique followed by subcritical drying. The gelation has been carried out under pH values ...