Synthesis and characterization of fluorescent gold nanoclusters

Synthesis and characterization of fluorescent gold nanoclusters

The fluorescent gold nanoclusters (AuNCs) have been synthesized using aqueous reduction of chloroaric acid with mecapto undecanoic acid (MuA) as a thiol protecting agent. These AuNCs exhibited a strong absorption at 370 nm and a fluorescent emission in visible region. The emission spectrum can be tu...

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Veröffentlicht in:Vietnam journal of chemistry 2018-08, Vol.56 (4), p.460-465
Hauptverfasser: Lien, Nghiem Thi Ha, Hoang, Nguyen Dinh, Nghia, Nguyen Trong, Hoa, Do Quang
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Fluorescent gold nanoclusters
fluorescent quantum yield
nanodot
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container_issue 4
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container_title Vietnam journal of chemistry
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creator Lien, Nghiem Thi Ha
Hoang, Nguyen Dinh
Nghia, Nguyen Trong
Hoa, Do Quang
description The fluorescent gold nanoclusters (AuNCs) have been synthesized using aqueous reduction of chloroaric acid with mecapto undecanoic acid (MuA) as a thiol protecting agent. These AuNCs exhibited a strong absorption at 370 nm and a fluorescent emission in visible region. The emission spectrum can be tuned from 520 to 560 nm by controlling the NaOH concentrations during the reaction process. The gold nanoclusters exhibit a quantum yield of few percents and a fluorescence lifetime of ~2 ns. These properties of AuNCs provide greatly promising for biological applications.
doi_str_mv 10.1002/vjch.201800030
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subjects Fluorescent gold nanoclusters
fluorescent quantum yield
nanodot
title Synthesis and characterization of fluorescent gold nanoclusters
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