Synthesis of a range of anion-containing gallium and germanium sodalites
Johnson, G. M., Mead, P. J. and Weller, M. T. (2000) Synthesis of a range of anion-containing gallium and germanium sodalites. Microporous and Mesoporous Materials, 38, (2-3), 445-460. (doi:10.1016/S1387-1811(00)00169-4).
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Description/Abstract
The introduction of gallium and germanium into the sodalite framework has been achieved by hydrothermal and low temperature solution routes for a wide range of anions. This yields materials of general composition Na-8[ABO(4)](6).X-2, where A = Al and Ga, B = Si and Ge, and X includes Cl-, Br-, I-, (ClO3)(-), (BrO3)(-), (HCOO)(-), (MnO4)(-), (SCN)(-) and (SeCN)(-). Lithium and potassium exchanged derivatives of certain sodalites have also been prepared via reaction in nitrate melts. Intra-cage reactions performed on selected samples have permitted the preparation of such species as aluminogermanate sulphur and selenium ultramarines. Products have been characterised by powder X-ray and neutron diffraction, infra-red, Raman and magic angle spinning nuclear magnetic resonance spectroscopy, thermogravimetric analysis and flame photometry.
| Item Type: | Article |
|---|---|
| Related URLs: | |
| Keywords: | synthesis, sodalite, gallium, germanium, cation exchange, intra-cage modificationaluminosilicate-sodalites, gallosilicate, nitrite, diffraction, cancrinite, oxidation, zeolite, br |
| Subjects: | Q Science Q Science > QD Chemistry |
| Divisions: | University Structure - Pre August 2011 > School of Chemistry |
| Item ID: | 18871 |
| Date Deposited: | 20 Dec 2005 |
| Last Modified: | 01 Jun 2011 08:31 |
| Contributors: | Johnson, G. M. (Author) Mead, P. J. (Author) Weller, M. T. (Author) |
| Date: | 1 August 2000 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/18871 |
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