Surface Plasmon Resonances of Cu Nanowire Arrays

被引：66

作者：

Duan, J. L. ^{[1
,2
]}

Cornelius, T. W. ^{[3
]}

Liu, J.

Karim, S. ^{[4
]}

Yao, H. J. ^{[1
,2
]}

Picht, O. ^{[3
]}

Rauber, M. ^{[3
]}

Mueller, S. ^{[3
]}

Neumann, R. ^{[3
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

[3] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[4] PINSTECH, Div Phys, Islamabad, Pakistan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 31期

关键词：

OPTICAL-PROPERTIES; SILVER NANOPARTICLES; SINGLE-CRYSTALLINE; AU NANOWIRES; FABRICATION; PAIRS; NANOSTRUCTURES; CHAINS; COPPER; SHAPE;

D O I：

10.1021/jp902894r

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：

Surface plasmon resonances of arrays of parallel copper nanowires, embedded in ion track-etched polycarbonate membranes, were investigated by systematic changes of nanowires' topology and arrays area density. The extinction spectra exhibit two peaks which are attributed to interband transitions of Cu bulk metal and to a dipolar surface plasmon resonance, respectively. The resonances were investigated as a function of wire diameter and length, mean distance between adjacent wires, and angle of incidence of the light field with respect to the long wire axis. The dipolar peak shifts to larger wavelengths with increasing diameter and length, and diminishing mean distance between adjacent wires. Additionally, the shape effect on the dipolar peak is investigated.

引用

页码：13583 / 13587

页数：5

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