Rammutla, K.E., Savin, Shelly L. P., Matshaba, M.G., Chadwick, Alan V., Ngoepe, Phuti E. (2007) Studies of the location of precious metals in nanocrystalline titanium dioxide using XRD and XANES. Physica Status Solidi C, 4 (3). pp. 765-769. ISSN 1610-1634. (doi:10.1002/pssc.200673843) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:8606)
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| Official URL: http://dx.doi.org/10.1002/pssc.200673843 |
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Abstract
Au, Ag, Pt and Pd doped TiO2 nanocrystals were prepared using sol-gel routes. X-ray Near Edge Structure (XANES) was used to study the location of these precious metal dopants in nanocrystalline TiO2. The effects of these dopants on the phase transformation and grain growth were investigated using X-ray diffraction (XRD). Two dopant concentrations i.e. 1 and 5% were studied and similar results were found. Silver and Palladium initially form oxides but annealing at high temperatures converts them to metals. Gold and and silver do not affect the anatase - rutile transformation temperature whereas palladium and platinum do.
| Item Type: | Article |
|---|---|
| DOI/Identification number: | 10.1002/pssc.200673843 |
| Subjects: | Q Science |
| Divisions: | Divisions > Division of Natural Sciences > Physics and Astronomy |
| Funders: |
Royal Society (https://ror.org/03wnrjx87)
National Research Foundation (https://ror.org/05s0g1g46) |
| Depositing User: | Alan Chadwick |
| Date Deposited: | 07 Jul 2008 13:59 UTC |
| Last Modified: | 05 Nov 2024 09:41 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/8606 (The current URI for this page, for reference purposes) |
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