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
收藏
页码：7639 / 7643
页数：5
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