Observation of a quadrupole plasmon mode for a colloidal solution of gold nanoprisms

被引：693
作者：
Millstone, JE
Park, S
Shuford, KL
Qin, LD
Schatz, GC
Mirkin, CA
机构：
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[2] Northwestern Univ, Inst Nanotechnol, Evanston, IL 60208 USA
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2005年 / 127卷 / 15期
关键词：
D O I：
10.1021/ja043245a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The synthesis and optical properties of single crystalline gold nanoprisms have been investigated. A three-step mediated seed growth process in an aqueous solution generated gold nanoprisms with a relatively homogeneous size distribution. The purity of these nanostructures has allowed us to observe a weak quadrupole resonance in addition to a strong dipole resonance associated with these novel structures. The experimental optical spectra agree with discrete dipole approximation calculations that have been modeled from the dimensions of gold nanoprisms produced in this synthesis. Copyright © 2005 American Chemical Society.
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页码：5312 / 5313
页数：2
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