| Slow drying of a spray of nanoparticles dispersion. In situ SAXS investigation. | |
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MedLine Citation:
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PMID: 17323988 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Nanoparticles confined in droplets of less than a picoliter are forced to organize in submicronic dry grains through solvent evaporation. The evolution of structures of the grains and the constituent nanoparticles during the slow drying process are investigated in situ with small-angle X-ray scattering (SAXS) for the first time. The scattering results have been explained on the basis of the equilibrium thermodynamics of the droplets in the drying tube. We demonstrate that this technique is really efficient in describing the internal arrangement of the nanoparticles inside the drying droplets. Distinction between an almost homogeneous repartition of the nanoparticles in droplets and formation of core shell like particles even in strongly polydispersed droplets can be made using SAXS. |
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Authors:
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Debasis Sen; Olivier Spalla; Olivier Taché; Patrick Haltebourg; Antoine Thill |
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Publication Detail:
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Type: Journal Article Date: 2007-02-27 |
Journal Detail:
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Title: Langmuir : the ACS journal of surfaces and colloids Volume: 23 ISSN: 0743-7463 ISO Abbreviation: Langmuir Publication Date: 2007 Apr |
Date Detail:
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Created Date: 2007-04-03 Completed Date: 2007-06-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882736 Medline TA: Langmuir Country: United States |
Other Details:
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Languages: eng Pagination: 4296-302 Citation Subset: - |
Affiliation:
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CEA Saclay, Direction des Sciences de la Matiere, Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire, 91191 Gif-sur-Yvette, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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