Dynamic investigation of gold nanocrystal assembly using in situ grazing-incidence small-angle X-ray scattering

Here we investigate the dynamic self-assembly pathway of ordered gold nanocrystal arrays during the self-assembly of gold nanocrystal micelles, with and without the presence of colloidal silica precursors, using grazing-incidence X-ray scattering performed at a synchrotron source. With silica precur...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1991. - 24(2008), 19 vom: 07. Okt., Seite 10575-8
1. Verfasser: Dunphy, Darren (VerfasserIn)
Weitere Verfasser: Fan, Hongyou, Li, Xuefa, Wang, Jin, Brinker, C Jeffrey
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 Here we investigate the dynamic self-assembly pathway of ordered gold nanocrystal arrays during the self-assembly of gold nanocrystal micelles, with and without the presence of colloidal silica precursors, using grazing-incidence X-ray scattering performed at a synchrotron source. With silica precursors present, a lattice with rhombohedral symmetry is formed from the partial collapse of a face-centered cubic structure. In the absence of silica, a transient body-centered orthorhombic phase appears, which rapidly collapses into a glassy nanocrystal film. The appearance of face-centered and body-centered structures is consistent with a phase diagram for charged colloidal particles with assembly modulated via Coulomb screening 
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700 1 |a Fan, Hongyou  |e verfasserin  |4 aut 
700 1 |a Li, Xuefa  |e verfasserin  |4 aut 
700 1 |a Wang, Jin  |e verfasserin  |4 aut 
700 1 |a Brinker, C Jeffrey  |e verfasserin  |4 aut 
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