Sammanfattning
Iron oxide doped silica films and powders with highly ordered mesostructures of extraordinary temperature stability (up to 1000 degrees C) and iron loading of up to 6 atom% were produced by the use of novel iron alkoxide-coordinated surfactants. Wormhole-like, 2d-centered rectangular, orthorhombic and lamellar mesostructures were obtained by variation of the molar ratios of the metal-surfactant complexes. The influence of a subsequent heat treatment was studied by GI-SAXS, TEM, XRD, and nitrogen sorption techniques. The molecular composition of the films was studied by XPS and EXAFS.
| Originalspråk | Engelska |
|---|---|
| Sidor (från-till) | 4443-4453 |
| Antal sidor | 11 |
| Tidskrift | Journal of Materials Chemistry |
| Volym | 16 |
| Nummer | 45 |
| DOI | |
| Status | Publicerad - 2006 |
Nyckelord
- ORDERED MESOPOROUS SILICAS
- RAY-ABSORPTION-SPECTRUM
- THIN-FILMS
- PHASE-TRANSFORMATION
- PRE-EDGE
- COMPLEXES
- TRANSITION
- SCATTERING
- OXIDATION
- BEHAVIOR
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