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Multipole plasmon resonances in gold nanorods

被引：316
作者：
Payne, EK
Shuford, KL
Park, S
Schatz, GC
Mirkin, CA
机构：
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[2] Northwestern Univ, Int Inst Nanotechnol, Evanston, IL 60208 USA
[3] Sungkyunkwan Univ, Dept Chem, Suwon 440746, South Korea
[4] Sungkyunkwan Univ, Sungkyunkwan Adv Inst Nanotechnol, Suwon 440746, South Korea
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 05期
关键词：
D O I：
10.1021/jp056606x
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The optical properties of gold rods electrochemically deposited in anodic aluminum oxide templates have been investigated. Homogeneous suspensions of rods with an average diameter of 85 nm and varying lengths of 96, 186, 321, 465, 495, 578, 641, 735, and 1175 nm were fabricated. The purity and dimensions of these rod nanostructures allowed us to observe higher-order multipole resonances for the first time in a colloidal suspension. The experimental optical spectra agree with discrete dipole approximation calculations that have been modeled from the dimensions of the gold nanorods.
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页码：2150 / 2154
页数：5
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