Imidazolium-based ionic liquids as efficient shape-regulating solvents for the synthesis of gold nanorods

被引：80

作者：

Ryu, Hyung Ju ^{[1
]}

Sanchez, Luz ^{[2
]}

Keul, Heidrun A. ^{[3
,4
]}

Raj, Aanchal ^{[1
]}

Bockstaller, Michael R. ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA

[2] CUNY Hunter Coll, Dept Phys & Astron, New York, NY 10021 USA

[3] Rhein Westfal TH Aachen, DWI, D-52056 Aachen, Germany

[4] Rhein Westfal TH Aachen, Inst Tech & Macromol Chem, D-52056 Aachen, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 40期

基金：

美国国家科学基金会;

关键词：

crystal growth; gold; ionic liquids; nanorods; shape regulation;

D O I：

10.1002/anie.200802185

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Shape control: Gold nanorods are synthesized in high yields in the absence of shape-regulating agents in 1-ethyl-3-methylimidazolium ethylsulfate ([EMIM] [ES]). A two-step seeded-growth process is used that capitalizes on the binding affinity of imidazolium cations to gold crystal facets, the stabilization of AuI in [EMIM][ES], and the reduction of particle growth rates that is facilitated by weak reducing agents. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：7639 / 7643

页数：5

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