期刊
GREEN CHEMISTRY
卷 12, 期 3, 页码 395-399出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b918176h
关键词
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资金
- Key Program of National Science Foundation of China [20536030]
- National Natural Science Foundation of China [20776090]
- Foundation for the Author of National Excellent Doctor Dissertation of P.R. China [FANEDD200762]
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.
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