Shape control synthesis of multi-branched gold nanoparticles

Shape control synthesis of multi-branched gold nanoparticles

Multi-branched gold nanoparticles (MBGNs) were prepared by a seed-mediated growth method using assistance of AgNO 3 and cetyltrimethylammonium bromide (CTAB) acting as the surface modifiers of the particle. The size of MBGNs was changed from 150 to 1500 nm, in which the branches with length up to 10...

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Veröffentlicht in:Materials chemistry and physics 2009-05, Vol.115 (1), p.229-234
Hauptverfasser: Kawamura, Go, Yang, Yong, Fukuda, Koichiro, Nogami, Masayuki
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Chemical synthesis
Crystal growth
Metals
Nanostructures
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container_title Materials chemistry and physics
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creator Kawamura, Go
Yang, Yong
Fukuda, Koichiro
Nogami, Masayuki
description Multi-branched gold nanoparticles (MBGNs) were prepared by a seed-mediated growth method using assistance of AgNO 3 and cetyltrimethylammonium bromide (CTAB) acting as the surface modifiers of the particle. The size of MBGNs was changed from 150 to 1500 nm, in which the branches with length up to 100 nm were formed. The formation of the branches was discussed as the selective growth of surfaces restricted by the Ag +–CTAB complex. The surface plasmon resonance properties were strongly affected by the morphology of MBGNs and tuned over the wide wavelengths.
doi_str_mv 10.1016/j.matchemphys.2008.11.064
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subjects Chemical synthesis
Crystal growth
Metals
Nanostructures
title Shape control synthesis of multi-branched gold nanoparticles
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