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Cuenot, S., Alem, H., Louarn, G., Demoustier-Champagne, S. & Jonas, A. M. (2008) Mechanical properties of nanotubes of polyelectrolyte multilayers. Eur. Phys. J. E, 25 343–348. 
Added by: Laurent Cournède (2016-03-10 21:58:42)
Type de référence: Article
DOI: 10.1140/epje/i2007-10291-3
Numéro d'identification (ISBN etc.): 1292-8941
Clé BibTeX: Cuenot2008
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Catégories: PMN
Mots-clés: afm, capsules, elastic-modulus, films, microcapsules, template, youngs modulus
Créateurs: Alem, Cuenot, Demoustier-Champagne, Jonas, Louarn
Collection: Eur. Phys. J. E
Consultations : 11/456
Indice de consultation : 2%
Indice de popularité : 0.5%
The elastic properties of nanotubes fabricated by layer-by-layer (LbL) assembly of polyelectrolytes in the nanopores of polycarbonate track-etched membranes have been investigated by resonant contact Atomic Force Microscopy (AFM), for nanotube diameters in the range of 100 to 200nm. The elastic modulus of the nanotubes was computed from the resonance frequencies of a cantilever resting on freely suspended LbL nanotubes. An average value of 115MPa was found in air for Young's modulus of these nanostructures, well below the values reported for dry, flat multilayers, but in the range of values reported for water-swollen flat multilayers. These low values are most probably due to the lower degree of ionic cross-linking of LbL nanotubes and their consequently higher water content in air, resulting from the peculiar mode of growth of nanoconfined polyelectrolyte multilayers.
Added by: Laurent Cournède  
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