Laser-ablation-induced synthesis of SiO2-capped noble metal nanoparticles in a single step

Here we describe a simple, powerful technique based on the laser ablation of a target immersed in a water solution of a metal salt. With this method, nanoparticles of different metals and alloys can be processed very quickly. Both the target and the salt solution can be chosen to produce metal nanop...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 26(2010), 10 vom: 18. Mai, Seite 7458-63
1. Verfasser: Jiménez, Ernesto (VerfasserIn)
Weitere Verfasser: Abderrafi, Kamal, Abargues, Rafael, Valdés, José L, Martínez-Pastor, Juan P
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 Silver 3M4G523W1G Gold 7440-57-5 Silicon Dioxide 7631-86-9
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520 |a Here we describe a simple, powerful technique based on the laser ablation of a target immersed in a water solution of a metal salt. With this method, nanoparticles of different metals and alloys can be processed very quickly. Both the target and the salt solution can be chosen to produce metal nanoparticles of different sizes, surface-oxidized nanoparticles (silica-silver, for example), or even more complex structures to be defined by the researcher on one or more steps because the technique combines the advantages of both physical and chemical methods. We have applied this technique to the fabrication of inert silica-metal (silver, gold, and silver-gold) nanoparticles with a strong surface plasmon resonance all together in a single step. The advantage of the simultaneous production of silica during laser ablation is the stabilization of the metal nanoparticle colloid but also the possibility to reduce the toxicity of these nanoparticles 
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700 1 |a Abargues, Rafael  |e verfasserin  |4 aut 
700 1 |a Valdés, José L  |e verfasserin  |4 aut 
700 1 |a Martínez-Pastor, Juan P  |e verfasserin  |4 aut 
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