Versatile fabrication of distorted cubic mesoporous silica film using CTAB together with a hydrophobic organic additive

Article Abstract:

The distorted cubic R-3m mesoporous silica film, with 3D open mesostructure providing high pore accessibility from the surface-air interface of the film, is fabricated by adding 1,3,5-triisopropylbenzene (TIPB) to the silica/cetyltrimethylammoniumbromide (CTAB) coating sol during its preparation. The addition of TIPB induces the formation of spheroid micelles, promoting R-3m mesostructure in the film.

Science & research, Research, Chemical reactions, Hydrophobic effect

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Insights into the self-directed structuring of hybrid organic-inorganic silicas through infrared studies

Article Abstract:

The influence of noncovalent interactions, particularly H-bonding and van der Waals (VDW) interactions, in modulating the structure of urea based alkylene bridged silsesquioxanes is investigated by using infrared (IR) experiments. The strength and directionality of the H-bonding are found to be directly correlated to the crystallinity of the organic-inorganic hybrid materials.

Hydrogen bonding, Hydrogen bonds

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