期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 18, 期 11, 页码 1222-1231出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b716662a
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资金
- STFC [ST/F001649/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/F001649/1] Funding Source: researchfish
Spontaneous growth of non-ionic surfactant-templated thin films at the air-water interface was investigated using three techniques: Brewster angle microscopy (BAM), time-resolved off-specular X-ray reflectivity and grazing incidence X-ray diffraction (GIXD). Experiments were also carried out to study the evolution of micelles in the subphase solution using small-angle neutron scattering ( SANS). Films were prepared in acidic conditions using octaethylene glycol mono-n-hexadecyl ether (C16EO8) as the surfactant and tetramethyloxysilane ( TMOS) as the silica precursor. Three different TMOS-C16EO8 molar ratios (3.5, 7.1 and 10.8) were studied. Variation of the silica-precursor concentration causes a significant effect on the film-formation time, the solution and film-growth mechanisms and the final film structure.
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