Journal
LANGMUIR
Volume 26, Issue 12, Pages 9703-9709Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la100377s
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Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologic CNPQ (Brazil)
- Research Council of Norway (RCN)
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Li-7 and H-1 nuclear magnetic resonance together with X-ray diffraction measurements in powdered samples and pseudocrystalline films of synthetic fluorhectorite as a function of relative ambient humidity permit to address several aspects of the structure and dynamics of intercalated water molecules. The role of proton exchange as a possibly dominant mechanism of charge transport in the one-water layer regime of hydration is reexamined. The experimental results in Li-fluorhectorite support the result of molecular simulations which predict, for Li-montmorillonite, the existence of an intermediate regime, between one-water layer and two-water layer states.
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