Preparation of Gold Nanoparticles in an Aqueous Medium Using 2-Mercaptosuccinic Acid as Both Reduction and Capping Agent

K. Vasilev; T. Zhu; G. Glasser; W. Knoll; M. Kreiter

doi:10.1166/jnn.2008.057

Preparation of Gold Nanoparticles in an Aqueous Medium Using 2-Mercaptosuccinic Acid as Both Reduction and Capping Agent

K. Vasilev, T. Zhu, G. Glasser, W. Knoll, M. Kreiter

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Monolayer protected gold nanoparticles with diameters above 10 nm were prepared by a simple, one step reaction in water. 2-mercaptosuccinic acid (MSA) was used both as reduction agent for hydrogen tetrachloroaurate (HAuCl ₄) and as stabilizing agent for the gold nanoparticles. Size distribution and surface chemistry were investigated by UV-Vis spectroscopy, scanning electron microscopy and Fourier Transform Infrared Spectroscopy. Particle size can be controlled by adjusting the molar portions of the reactants. The resulting particles are efficiently stabilized against aggregation when MSA is used in a concentration of 40% and above. Below a minimum MSA concentration a longterm particle growth is observed.

Original language	English
Pages (from-to)	2062-2068
Number of pages	7
Journal	Journal of Nanoscience and Nanotechnology
Volume	8
Issue number	4
DOIs	https://doi.org/10.1166/jnn.2008.057
Publication status	Published - Apr 2008
Externally published	Yes

Keywords

2-mercaptosuccinic acid
Colloid
Gold
Monolayer protected gold nanoparticles
Nanoparticle

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abstract = "Monolayer protected gold nanoparticles with diameters above 10 nm were prepared by a simple, one step reaction in water. 2-mercaptosuccinic acid (MSA) was used both as reduction agent for hydrogen tetrachloroaurate (HAuCl 4) and as stabilizing agent for the gold nanoparticles. Size distribution and surface chemistry were investigated by UV-Vis spectroscopy, scanning electron microscopy and Fourier Transform Infrared Spectroscopy. Particle size can be controlled by adjusting the molar portions of the reactants. The resulting particles are efficiently stabilized against aggregation when MSA is used in a concentration of 40% and above. Below a minimum MSA concentration a longterm particle growth is observed.",

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AU - Glasser, G.

AU - Knoll, W.

AU - Kreiter, M.

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AB - Monolayer protected gold nanoparticles with diameters above 10 nm were prepared by a simple, one step reaction in water. 2-mercaptosuccinic acid (MSA) was used both as reduction agent for hydrogen tetrachloroaurate (HAuCl 4) and as stabilizing agent for the gold nanoparticles. Size distribution and surface chemistry were investigated by UV-Vis spectroscopy, scanning electron microscopy and Fourier Transform Infrared Spectroscopy. Particle size can be controlled by adjusting the molar portions of the reactants. The resulting particles are efficiently stabilized against aggregation when MSA is used in a concentration of 40% and above. Below a minimum MSA concentration a longterm particle growth is observed.

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Preparation of Gold Nanoparticles in an Aqueous Medium Using 2-Mercaptosuccinic Acid as Both Reduction and Capping Agent

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Keywords

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