From Rings to Crescents: A Novel Fabrication Technique Uncovers the Transition Details

被引：48
作者：
Bochenkov, Vladimir E. [1 ,2 ]
Sutherland, Duncan S. [1 ]
机构：
[1] Aarhus Univ, Interdisciplinary Nanosci Ctr iNANO, Aarhus, Denmark
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow, Russia
来源：
NANO LETTERS | 2013年 / 13卷 / 03期
关键词：
Fabrication; nanorings; asymmetric rings; nanocrescents; colloidal lithography; plasmonics; NANOSPHERE LITHOGRAPHY; OPTICAL-PROPERTIES; SYMMETRY-BREAKING; ARRAYS; SIZE;
D O I：
10.1021/nl304675w
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel fabrication route is reported for the generation of substrate-supported symmetric and asymmetric metal nanostructures. We combine a colloidal template and angled evaporation to deposit in situ mask materials for subsequent lithographic pattern transfer. The technique is demonstrated for the fabrication of concentric and nonconcentric gold rings and crescents. Optical properties of localized plasmon resonances in such structures are studied by UV-vis-NIR spectroscopy and finite-difference time domain simulations during the transition from rings to crescents revealing the development of strong quadrupolar modes
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收藏
页码：1216 / 1220
页数：5
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