Ultraclean derivatized monodisperse gold nanoparticles through laser drop ablation customization of polymorph gold nanostructures

We report a novel nanosecond laser ablation synthesis for spherical gold nanoparticles as small as 4 nm in only 5 s (532 nm, 0.66 J/cm(2)), where the desired protecting agent can be selected in a protocol that avoids repeated sample irradiation and undesired exposure of the capping agent during abla...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 28(2012), 21 vom: 29. Mai, Seite 8183-9
1. Verfasser: Bueno-Alejo, Carlos J (VerfasserIn)
Weitere Verfasser: D'Alfonso, Claudio, Pacioni, Natalia L, González-Béjar, María, Grenier, Michel, Lanzalunga, Osvaldo, Alarcon, Emilio Isaac, Scaiano, Juan C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Gold 7440-57-5 Hydrogen Peroxide BBX060AN9V
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245 1 0 |a Ultraclean derivatized monodisperse gold nanoparticles through laser drop ablation customization of polymorph gold nanostructures 
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520 |a We report a novel nanosecond laser ablation synthesis for spherical gold nanoparticles as small as 4 nm in only 5 s (532 nm, 0.66 J/cm(2)), where the desired protecting agent can be selected in a protocol that avoids repeated sample irradiation and undesired exposure of the capping agent during ablation. This method takes advantage of the recently developed synthesis of clean unprotected polymorph and polydisperse gold nanostructures using H(2)O(2) as a reducing agent. The laser drop technique provides a unique tool for delivering controlled laser doses to small drops that undergo assisted fall into a solution or suspension of the desired capping agent, yielding monodisperse custom-derivatized composite materials using a simple technique 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a D'Alfonso, Claudio  |e verfasserin  |4 aut 
700 1 |a Pacioni, Natalia L  |e verfasserin  |4 aut 
700 1 |a González-Béjar, María  |e verfasserin  |4 aut 
700 1 |a Grenier, Michel  |e verfasserin  |4 aut 
700 1 |a Lanzalunga, Osvaldo  |e verfasserin  |4 aut 
700 1 |a Alarcon, Emilio Isaac  |e verfasserin  |4 aut 
700 1 |a Scaiano, Juan C  |e verfasserin  |4 aut 
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