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Issue 3, 2010
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One-step, size-controlled synthesis of gold nanoparticles at room temperature using plant tannin

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Abstract

Bayberry tannin (BT), a natural plant polyphenol, was used for one-step synthesis of gold nanoparticles (AuNPs) in aqueous solution at room temperature. During the synthetic process, BT simultaneously serves as a reducing agent and stabilizing agent, while no additional reagent (surfactant, template, and capping agent) or treatment (heat and photo-irradiation) is needed. The particle diameter and size distribution of BT-stabilized AuNPs (BT-AuNPs) can be facilely controlled by varying the concentration of BT, and the particle size of BT-AuNPs is as small as 1.8 ± 0.3 nm when the BT concentration was 800 mg L−1. Furthermore, this green approach for the auto-reduction synthesis of AuNPs can be completed in several minutes and exhibits high reproducibility, which shows great potential for practical applications.

Graphical abstract: One-step, size-controlled synthesis of gold nanoparticles at room temperature using plant tannin

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Article information


Submitted
03 Sep 2009
Accepted
06 Oct 2009
First published
11 Nov 2009

Green Chem., 2010,12, 395-399
Article type
Paper

One-step, size-controlled synthesis of gold nanoparticles at room temperature using plant tannin

X. Huang, H. Wu, X. Liao and B. Shi, Green Chem., 2010, 12, 395
DOI: 10.1039/B918176H

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