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Formation of mesophase surfactant-templated silica thin films from acidic solutions


Reference:

Edler, K. J., Brennan, T., Fernandez-Martin, C. and Roser, S. J., 2004. Formation of mesophase surfactant-templated silica thin films from acidic solutions. In: Recent Advances in the Science and Technology of Zeolites and Related Materials, Pts a - C. Vol. 154. , pp. 373-379. (Studies in Surface Science and Catalysis)

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Abstract

The formation of mesophase silica-surfactant thin films at the air/solution interface has been studied in situ using off-specular X-ray reflectivity, Brewster angle microscopy and small angle scattering. Results for cetyltrimethylammonium bromide-templated films suggest that the formation mechanism is strongly dependent on the silica:surfactant ratio, and this is confirmed by studies on the subphase solutions using time-resolved small angle X-ray and neutron scattering. Results of similar investigations for films templated with Pluronic((R)) P123 triblock copolymer surfactant also show a strong dependence of mesostructure development oil silica:surfactant ratio. A general formation mechanism for mesophase growth and thin film development is proposed.

Details

Item Type Book Sections
CreatorsEdler, K. J., Brennan, T., Fernandez-Martin, C. and Roser, S. J.
DepartmentsFaculty of Science > Chemistry
StatusPublished
ID Code4920
Additional InformationID number: ISI:000227357207044

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