Green photocatalytic synthesis of stable Au and Ag nanoparticles

Green photocatalytic synthesis of stable Au and Ag nanoparticles

Stable Au and Ag nanoparticles with diameter 5-10 nanometers were synthesized in water at pH 7 and at room temperature by a novel green photocatalytic method. The method features very low energy consumption and non-toxic reagents with high yields of concentrated nanoparticles in aqueous solution obt...

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Veröffentlicht in:Green chemistry : an international journal and green chemistry resource : GC 2009-01, Vol.11 (11), p.1889-1893
Hauptverfasser: Quaresma, Pedro, Soares, Leonor, Contar, Lívia, Miranda, Adelaide, Osório, Inês, Carvalho, Patrícia A., Franco, Ricardo, Pereira, Eulália
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container_end_page 1893
container_issue 11
container_start_page 1889
container_title Green chemistry : an international journal and green chemistry resource : GC
container_volume 11
creator Quaresma, Pedro
Soares, Leonor
Contar, Lívia
Miranda, Adelaide
Osório, Inês
Carvalho, Patrícia A.
Franco, Ricardo
Pereira, Eulália
description Stable Au and Ag nanoparticles with diameter 5-10 nanometers were synthesized in water at pH 7 and at room temperature by a novel green photocatalytic method. The method features very low energy consumption and non-toxic reagents with high yields of concentrated nanoparticles in aqueous solution obtained in less than four minutes. The nanoparticles so obtained are highly monodispersed, thus avoiding the use of further time consuming and cumbersome purification procedures. In addition, the capping agent is readily exchanged by thiols, providing a facile way of functionalization for biological applications.
doi_str_mv 10.1039/b917203n
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
title Green photocatalytic synthesis of stable Au and Ag nanoparticles
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