Figure 7
From: Diatom-inspired silicification process for development of green flexible silica composite aerogels

SEM micrographs of SFO:PEI:SiO2-0.5–3 cryogels.
From: Diatom-inspired silicification process for development of green flexible silica composite aerogels

SEM micrographs of SFO:PEI:SiO2-0.5–3 cryogels.