Slow drying of a spray of nanoparticles dispersion. In situ SAXS investigation

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 scatter...

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Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 8 vom: 10. Apr., Seite 4296-302
1. Verfasser: Sen, Debasis (VerfasserIn)
Weitere Verfasser: Spalla, Olivier, Taché, Olivier, Haltebourg, Patrick, Thill, Antoine
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a 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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700 1 |a Spalla, Olivier  |e verfasserin  |4 aut 
700 1 |a Taché, Olivier  |e verfasserin  |4 aut 
700 1 |a Haltebourg, Patrick  |e verfasserin  |4 aut 
700 1 |a Thill, Antoine  |e verfasserin  |4 aut 
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