Author
Listed:
- Jean-Christophe P. Gabriel
(Sciences Moléculaires aux Interfaces, FRE 2068 CNRS
Covalent Materials Inc.)
- Franck Camerel
(Sciences Moléculaires aux Interfaces, FRE 2068 CNRS)
- Bruno J. Lemaire
(Laboratoire de Physique des Solides, UMR 8502 CNRS, Université Paris Sud, Bâtiment 510, Centre Universitaire)
- Hervé Desvaux
(Service de Chimie Moléculaire, URA 331 CEA/CNRS Saclay)
- Patrick Davidson
(Laboratoire de Physique des Solides, UMR 8502 CNRS, Université Paris Sud, Bâtiment 510, Centre Universitaire)
- Patrick Batail
(Sciences Moléculaires aux Interfaces, FRE 2068 CNRS)
Abstract
Ordering particles at the nanometre length scale is a challenging and active research area in materials science. Several approaches have so far been developed, ranging from the manipulation of individual particles1,2 to the exploitation of self-assembly in colloids3. Nanometre-scale ordering is well known to appear spontaneously when anisotropic organic moieties form liquid-crystalline phases; this behaviour is also observed for anisotropic mineral nanoparticles4,5 resulting in the formation of nematic4,5,6,7, smectic8 and hexagonal9,10 mesophases. Here we describe a lyotropic liquid-crystalline lamellar phase comprising an aqueous dispersion of planar solid-like sheets in which all the atoms involved in a layer are covalently bonded. The spacing of these phosphatoantimonate single layers can be increased 100-fold, resulting in one-dimensional structures whose periodicity can be tuned from 1.5 to 225 nanometres. These highly organized materials can be mechanically or magnetically aligned over large pH and temperature ranges, and this property can be used to measure residual dipolar couplings for the structure determination of biomolecules by liquid-state NMR. We also expect that our approach will result in the discovery of other classes of mineral lyotropic lamellar phases.
Suggested Citation
Jean-Christophe P. Gabriel & Franck Camerel & Bruno J. Lemaire & Hervé Desvaux & Patrick Davidson & Patrick Batail, 2001.
"Swollen liquid-crystalline lamellar phase based on extended solid-like sheets,"
Nature, Nature, vol. 413(6855), pages 504-508, October.
Handle:
RePEc:nat:nature:v:413:y:2001:i:6855:d:10.1038_35097046
DOI: 10.1038/35097046
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Cited by:
- Hyde, Stephen T. & Carnerup, Anna M. & Larsson, Ann-Kristin & Christy, Andrew G. & García-Ruiz, Juan Manuel, 2004.
"Self-assembly of carbonate-silica colloids: between living and non-living form,"
Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 339(1), pages 24-33.
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