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Detection, quantification, and magnetic field dependence of solid-state O-17 NMR of X-O-Y (X,Y = Si,Ti) linkages: Implications for characterizing amorphous titania-silica-based materials
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UNSPECIFIED (2001) Detection, quantification, and magnetic field dependence of solid-state O-17 NMR of X-O-Y (X,Y = Si,Ti) linkages: Implications for characterizing amorphous titania-silica-based materials. JOURNAL OF PHYSICAL CHEMISTRY B, 105 (10). pp. 1971-1977. ISSN 1089-5647
Full text not available from this repository.Abstract
O-17 solid-state NMR spectra from hybrid TiO2-SiO2-based materials can clearly distinguish Si-O-Si, Si-O-Ti, and Ti-O-Ti linkages. Spectra are reported from these groups for applied magnetic fields from 5.6 to 14.1 T, which allows their NMR parameters to be deduced. The quantitative accuracy of these spectra is investigated and the implications for detecting nanoscale phase separation discussed. Changes in the local structure with functionalization of the silicon alkoxide (R'Si-lambda(OR)(4-x)) and modification of the titanium precursor by acetylacetone are examined.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry |
| Journal or Publication Title: | JOURNAL OF PHYSICAL CHEMISTRY B |
| Publisher: | AMER CHEMICAL SOC |
| ISSN: | 1089-5647 |
| Date: | 15 March 2001 |
| Volume: | 105 |
| Number: | 10 |
| Number of Pages: | 7 |
| Page Range: | pp. 1971-1977 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/12334 |
Data sourced from Thomson Reuters' Web of Knowledge
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