Quantitative measurement of nanoparticle halo formation around colloidal microspheres in binary mixtures

A new colloidal stabilization mechanism, known as nanoparticle "haloing" (Tohver, V.; Smay, J. E.; Braem, A.; Braun, P. V.; Lewis, J. A. Proc. Natl. Acad. Sci. U.S.A. 2001, 98, (16), 8950-8954), has been predicted theoretically and inferred experimentally in microsphere-nanoparticle mixtur...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 24(2008), 13 vom: 01. Juni, Seite 6504-8
1. Verfasser: Zhang, Fan (VerfasserIn)
Weitere Verfasser: Long, Gabrielle G, Jemian, Pete R, Ilavsky, Jan, Milam, Valeria T, Lewis, Jennifer A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a A new colloidal stabilization mechanism, known as nanoparticle "haloing" (Tohver, V.; Smay, J. E.; Braem, A.; Braun, P. V.; Lewis, J. A. Proc. Natl. Acad. Sci. U.S.A. 2001, 98, (16), 8950-8954), has been predicted theoretically and inferred experimentally in microsphere-nanoparticle mixtures that possess high charge and size asymmetry. The term "halo" implies the existence of a nonzero separation distance between the highly charged nanoparticles and the negligibly charged microspheres that they surround. By means of ultrasmall-angle X-ray scattering, we have quantified the microsphere-nanoparticle separation distance as well as the number of nanoparticles and their lateral separation distance within the self-organized halos that form in these binary mixtures 
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700 1 |a Long, Gabrielle G  |e verfasserin  |4 aut 
700 1 |a Jemian, Pete R  |e verfasserin  |4 aut 
700 1 |a Ilavsky, Jan  |e verfasserin  |4 aut 
700 1 |a Milam, Valeria T  |e verfasserin  |4 aut 
700 1 |a Lewis, Jennifer A  |e verfasserin  |4 aut 
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