Flexible ureasil hybrids with tailored optical properties through doping with metal nanoparticles

Hybrid organic-inorganic nanocomposites containing uniform distributions of metal nanoparticles have been prepared by mixing a preformed nanoparticle colloid with the precursors of a ureasil, prior to the sol-gel transition. These nanocomposites possess not only high optical quality and optical feat...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 20(2004), 23 vom: 09. Nov., Seite 10268-72
1. Verfasser: Boev, Victor I (VerfasserIn)
Weitere Verfasser: Pérez-Juste, Jorge, Pastoriza-Santos, Isabel, Silva, Carlos J R, Gomes, M de Jesus M, Liz-Marzán, Luis M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Flexible ureasil hybrids with tailored optical properties through doping with metal nanoparticles 
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520 |a Hybrid organic-inorganic nanocomposites containing uniform distributions of metal nanoparticles have been prepared by mixing a preformed nanoparticle colloid with the precursors of a ureasil, prior to the sol-gel transition. These nanocomposites possess not only high optical quality and optical features dictated by the size and shape of the nanoparticle dopants but also a high degree of flexibility, which can largely enhance the range of applications in practical devices. The deposition of a uniform silica shell on the nanoparticle surface prior to the sol-gel transition was found to be required to maintain the colloidal stability during the process and, thus, to retain the optical properties in the final nanocomposite material. This method can be readily extended to other materials, such as semiconductor and magnetic nanoparticles 
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700 1 |a Pérez-Juste, Jorge  |e verfasserin  |4 aut 
700 1 |a Pastoriza-Santos, Isabel  |e verfasserin  |4 aut 
700 1 |a Silva, Carlos J R  |e verfasserin  |4 aut 
700 1 |a Gomes, M de Jesus M  |e verfasserin  |4 aut 
700 1 |a Liz-Marzán, Luis M  |e verfasserin  |4 aut 
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