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Production of complex nano-structures by electro-hydro-dynamics

Published online by Cambridge University Press:  01 February 2011

Ignacio G. Loscertales ,
A. Barrero  and
Manuel Márquez
Ignacio G. Loscertales
Affiliation:
E.T.S. Ingenieros Industriales, Universidad de Málaga, 29013 Málaga, Spain.
A. Barrero
Affiliation:
E.S. Ingenieros, Universidad de Sevilla, 41092 Sevilla, Spain.
Manuel Márquez
Affiliation:
Los Alamos National Lab., Chemistry Division, Los Alamos, NM 87545, USA.
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Abstract

The use of electro-hydro-dynamic (EHD) forces to generate highly charged coaxial jets of immiscible fluids, with diameters in the micro and nano regime, has unravel itself as a very interesting choice for producing complex nanostructures from a vast variety of precursors, provided they can solidify, polymerize or gel, in times comparable or shorter than the living time of the coaxial nanojet. For time ratios larger than one, the result of the process are micro or nanocapsules, while for time ratios smaller than one coaxial nanofibers are produced. We show examples of both situations, with organic and inorganic precursors. On the other hand, realization of the process in a liquid bath opens the door to production of controlled micro and nanosized complex emulsions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 860: Symposium LL – Materials Issues in Solid Freeforming , 2004 , LL5.9
Copyright
Copyright © Materials Research Society 2005

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