Britto, Sylvia ; Radha, A. V. ; Ravishankar, N. ; Kamath, P. Vishnu (2007) Solution decomposition of the layered double hydroxide (LDH) of Zn with Al Solid State Sciences, 9 (3-4). pp. 279-286. ISSN 1293-2558
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.solidstatesciences.2007.01.002
Abstract
The layered double hydroxides (LDH) of Zn with Al containing intercalated CO32− and NO3− ions undergo solution decomposition to yield a highly crystalline oxide mixture comprising ZnO and ZnAl2O4 at temperatures as low as 150–180 °C under hydrothermal conditions. In contrast solid-state decomposition takes place at a much higher temperature (240–315 °C) in air. Solution decomposition is not only guided by the low octahedral crystal field stabilization energy of Zn2+ ions, a factor that also affects solid-state decomposition, but also by solubility considerations. The LDHs of Mg and Ni with Al do not undergo solution decomposition.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 104982 |
| Deposited On: | 01 Feb 2018 15:22 |
| Last Modified: | 01 Feb 2018 15:22 |
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