Directing the formation of nanostructured rings via local oxidation

We provide compelling evidence that ring formation in solutions of thiol-passivated Au nanoparticles is driven by breath figure dynamics. A method for the controlled placement of rings of nanoparticles on a solid substrate, which exploits variations in substrate wettability to fix the positions of t...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 17 vom: 07. Sept., Seite 13892-6
1. Verfasser: Stannard, Andrew (VerfasserIn)
Weitere Verfasser: Alhummiany, Haya, Pauliac-Vaujour, Emmanuelle, Sharp, James S, Moriarty, Philip, Thiele, Uwe
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Sulfhydryl Compounds Gold 7440-57-5
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520 |a We provide compelling evidence that ring formation in solutions of thiol-passivated Au nanoparticles is driven by breath figure dynamics. A method for the controlled placement of rings of nanoparticles on a solid substrate, which exploits variations in substrate wettability to fix the positions of the submicrometer water droplets formed in the breath figure process, has been developed. This is achieved by heterogeneously patterning hydrogen-terminated silicon substrates with oxide regions that act as adsorption sites for the droplets. The droplets in turn template the formation of thiol-passivated Au nanoparticle rings during spin-casting from volatile solvents 
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700 1 |a Alhummiany, Haya  |e verfasserin  |4 aut 
700 1 |a Pauliac-Vaujour, Emmanuelle  |e verfasserin  |4 aut 
700 1 |a Sharp, James S  |e verfasserin  |4 aut 
700 1 |a Moriarty, Philip  |e verfasserin  |4 aut 
700 1 |a Thiele, Uwe  |e verfasserin  |4 aut 
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