Controlling plasmon line shapes through diffractive coupling in linear arrays of cylindrical nanoparticles fabricated by electron beam lithography

被引：380
作者：
Hicks, EM
Zou, SL
Schatz, GC
Spears, KG
Van Duyne, RP
Gunnarsson, L
Rindzevicius, T
Kasemo, B
Käll, M
机构：
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[2] Chalmers Univ Technol, Dept Appl Phys, S-41296 Gothenburg, Sweden
来源：
NANO LETTERS | 2005年 / 5卷 / 06期
关键词：
D O I：
10.1021/nl0505492
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effect of diffractive coupling on the collective plasmon line shape of linear arrays of Ag nanoparticles fabricated by electron beam lithography has been investigated using Rayleigh scattering spectroscopy. The array spectra exhibit an intricate multi-peak structure, including a narrow mode that gains strength for interparticle distances that are close to the single particle resonance wavelength. A version of the discrete dipole approximation method provides an excellent qualitative description of the observed behavior.
引用
收藏
页码：1065 / 1070
页数：6
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