Characterization of the structure of mesoporous thin films grown at the air/water interface using X-ray surface techniques
Brennan, T., Roser, S. J., Mann, S. and Edler, K. J., 2003. Characterization of the structure of mesoporous thin films grown at the air/water interface using X-ray surface techniques. Langmuir, 19 (7), pp. 2639-2642.
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Grazing incidence X-ray diffraction (GIXD) and X-ray reflectivity have been used in situ to study the structure of surfactant-templated silica films grown at the air/water interface at different depths in the film. The results confirm that cylindrical silica-encased surfactant micelles are predominantly organized into a two-dimensional hexagonal structure, with the long axis parallel to the surface of the film. The arrangement of the micelles is well orientated near to the air/film interface but becomes disordered deeper into the sample. GIXD also reveals the existence of vertical channels extending down from the bottom of the film. This suggests a transition from in-plane to unconstrained growth.
|Creators||Brennan, T., Roser, S. J., Mann, S. and Edler, K. J.|
|Departments||Faculty of Science > Chemistry|
|Additional Information||ID number: ISI:000181980900017|
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