Bromide-ion distribution in the interlayer of the layered double hydroxides of Zn and Al: Observation of positional disorder

Clays and Clay Minerals

Volumn 57, Issue 1, 2009, Pages 82-92

  Prasanna, S V ^a   Radha, A V ^a   Kamath, P Vishnu ^a   Kannan, S ^b  

^a BANGALORE UNIVERSITY   (India)

^b CSIR CENTRAL SALT AND MARINE CHEMICALS RESEARCH INSTITUTE   (India)

Author keywords

Layered double hydroxides; Positional disorder; Thermal studies

Indexed keywords

BROMIDE IONS; CRYSTALLINITY; HYDROXIDE LAYERS; INTERCALATED WATERS; ION DISTRIBUTIONS; LAYERED DOUBLE HYDROXIDES; LAYERED HYDROXIDES; METAL HYDROXIDES; POSITIONAL DISORDER; STRUCTURAL DISORDERS; THERMAL STUDIES; X -RAY SCATTERINGS;

OXIDES; PROTONS; STACKING FAULTS; ZINC;

IONS;

ALUMINUM; BROMIDE; CRYSTAL STRUCTURE; CRYSTALLINITY; HYDROXIDE; ZINC;

EID: 65549115597     PISSN: 00098604     EISSN: None     Source Type: Journal    
DOI: 10.1346/CCMN.2009.0570108     Document Type: Article

References (20)

1. Bellotto, M., Rebours, B., Clause, O., Lynch, J., Bazin, D and Elkaim, E. (1996) A reexamination of hydrotalcite crystal chemistry. Journal of Physical Chemistry, 100, 8527-8534.
2. Bookin, A.S. and Drits, V.A. (1993) Polytype diversity of the hydrotalcite-like minerals 1. Possible polytypes and their diffraction features. Clays and Clay Minerals, 41, 551-557.
3. Cavani, F., Trifiro, F., and Vaccari, A. (1991) Hydrotalcite-type anionic clays: preparation, properties and applications. Catalysis Today, 11, 173-301.
4. De Roy, A., Forano, C., and Besse, J.P. (2001) Layered Double Hydroxides: Past and Future (V. Rives, editor). Nova Science, New York, pp. 1-37.
5. Del Hoyo, C. (2007) Layered double hydroxides and human health: An overview. Applied Clay Science, 36, 103-121.
6. Ennadi, A., Legrouri, A., De Roy, A., and Besse, J.P. (2000) X-ray diffraction pattern simulation for thermally treated [Zn-Al-Cl] layered double hydroxide. Journal of Solid State Chemistry, 152, 568-572.
7. Kameda, T., Yoshioka, T., Watanabe, K., Uchida, M., and Okuwaki, A. (2007) Dehydrochlorination behavior of a chloride ion-intercalated hydrotalcite-like compound during thermal decomposition. Applied Clay Science, 35, 173-179.
8. Oesten, R. and Böhm, H. (1993) Ionic mobility in basic double salts. Part 1: Hydrotalcites. Solid State Ionics, 62, 199-204.
9. Prasanna, S.V., Rao, R.A.P., and Kamath, P.V. (2006) Layered double hydroxides as potential chromate scavengers. Journal of Colloid and Interface Science, 304, 292-299.
10. Prasanna, S.V., Kamath, P.V., and Shivakumara, C. (2007) Synthesis and characterization of chromate intercalated layered double hydroxides. Materials Research Bulletin, 42, 1028-1309.
11. Radha, A.V., Shivakumara, C., and Kamath, P.V. (2005) DIFFaX simulations of stacking faults in layered double hydroxides (LDHs). Clays and Clay Minerals, 53, 521-528.
12. Radha, A.V., Kamath, P.V., and Shivakumara, C. (2007) Conservation of order, disorder and crystallinity during anion exchange reactions among layered double hydroxides (LDHs) of Zn with Al. Journal of Physical Chemistry B, 111, 3411-3418.
13. 2 capture: Structure evolution and regeneration. Industrial and Engineering Chemistry Research, 45, 7504-7509.
14. Rodriguez-Carvajal, J. FullProf2000 Laboratoire Léon Brillouin (UMR12 CEA-NRS): Gif-sur-Yvette Cedex, France, available at www-llb.cea.fr/fullweb/powder.htm (accessed February 2007).
15. Roussel, H., Briois, V., Elkaïm, E., de Roy, A., and Besse, J.P. (2000) Cationic order and structure of [Zn-Cr-Cl] and [Cu-Cr-Cl] layered double hydroxides: an XRD and EXAFS study. Journal of Physical Chemistry B, 104, 5915-5923.
16. Sels, B.F., De Vos, D.E., and Jacobs, P.A. (2001) Hydrotalcite-like anionic clays in catalytic organic reactions. Catalysis Reviews, 43, 443-488.
17. Thomas, G.S. and Kamath, P.V. (2006) Line broadening in the PXRD patterns of layered hydroxides: The relative effects of crystallite size and structural disorder. Journal of Chemical Science, 118, 127-133.
18. Thomas, G.S., Rajamathi, M., and Kamath, P.V. (2004) DIFFaX simulations of polytypism and disorder in hydrotalcite. Clays and Clay Minerals, 52, 693-699.
19. Thomas, G.S., Radha, A.V., Vishnu Kamath, P., and Kannan, S. (2006) Thermally induced polytype transformations among the layered double hydroxides (LDHs) of Mg and Zn with Al. Journal of Physical Chemistry B, 110, 12365-12371.
20. Treacy, M.M.J., Newsam, J.M., and Deem, M.W. (1991) A general recursion method for calculating diffracted intensities from crystals containing planar faults. Proceedings of Royal Society, London, A433, 499-520.