Kinetics of nanoparticle reassembly mediated by UV-photolysis of surfactant

Real-time reassembly of an ordered nanoparticle monolayer due to UV-photolysis of the surfactant shell of nanoparticles was observed. The technique of grazing-incidence small-angle X-ray scattering provided the possibility to track in situ the nanoparticle pair correlation function of the sample pro...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 8 vom: 20. Apr., Seite 5451-5
1. Verfasser: Siffalovic, Peter (VerfasserIn)
Weitere Verfasser: Chitu, Livia, Majkova, Eva, Vegso, Karol, Jergel, Matej, Luby, Stefan, Capek, Ignac, Satka, Alexander, Maier, Guenther A, Keckes, Jozef, Timmann, Andreas, Roth, Stephan V
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Real-time reassembly of an ordered nanoparticle monolayer due to UV-photolysis of the surfactant shell of nanoparticles was observed. The technique of grazing-incidence small-angle X-ray scattering provided the possibility to track in situ the nanoparticle pair correlation function of the sample processed in a UV-ozone reactor. The analysis revealed a total shift of approximately 1 nm of the nanoparticle nearest-neighbor distance. The temporal evolution of the interparticle distance proved to be the first-order process governed by the UV-photolysis and described by a single-exponential decay function. The nanoparticles tend to agglomerate into a labyrinth-like structure with a typical length scale of some 30 nm 
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700 1 |a Chitu, Livia  |e verfasserin  |4 aut 
700 1 |a Majkova, Eva  |e verfasserin  |4 aut 
700 1 |a Vegso, Karol  |e verfasserin  |4 aut 
700 1 |a Jergel, Matej  |e verfasserin  |4 aut 
700 1 |a Luby, Stefan  |e verfasserin  |4 aut 
700 1 |a Capek, Ignac  |e verfasserin  |4 aut 
700 1 |a Satka, Alexander  |e verfasserin  |4 aut 
700 1 |a Maier, Guenther A  |e verfasserin  |4 aut 
700 1 |a Keckes, Jozef  |e verfasserin  |4 aut 
700 1 |a Timmann, Andreas  |e verfasserin  |4 aut 
700 1 |a Roth, Stephan V  |e verfasserin  |4 aut 
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