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A time resolved, in-situ X-ray diffraction study of the de-intercalation of anions and lithium cations from [LiAl2(OH)(6)](n)X center dot qH(2)O (X = Cl-, Br-, NO3-, SO42-)

Abstract:

The layered double hydroxides (LDHs), [LiAl2(OH) 6]nX·qH2O (Xn- = CP -, Br-, NO3,- SO42-) spontaneously lose both Li+ cations and Xn- anions to give crystalline Al(OH)3 on stirring in water. The kinetics of this topochemical de-intercalation reaction have been studied using time-resolved, in-situ energy dispersive X-ray powder diffraction. The temperature dependence of the rate of the de-intercalation reaction yields activation energies of 94 ± 15 kJ mol-1 for mono-dispersed [LiAl2(OH)6]Cl·1....

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Publication status:
Published

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Publisher copy:
10.1039/b314473a

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
Journal:
JOURNAL OF MATERIALS CHEMISTRY
Volume:
14
Issue:
9
Pages:
1443-1447
Publication date:
2004-05-07
DOI:
EISSN:
1364-5501
ISSN:
0959-9428
URN:
uuid:a048a913-e159-4893-a08b-9ecba06bb734
Source identifiers:
51181
Local pid:
pubs:51181
Language:
English

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