Nanoporous gold-Application to extraordinary optical transmission of light

被引：10

作者：

Garoli, Denis ^{[1
,2
,3
]}

Ruffato, Gianluca ^{[1
,2
,3
]}

Cattarin, Sandro ^{[4
]}

Barison, Simona ^{[4
]}

Perino, Mauro ^{[5
]}

Ongarello, Tommaso ^{[1
,3
]}

Romanato, Filippo ^{[1
,2
,3
]}

机构：

[1] Univ Padua, Dept Phys & Astron, I-35132 Padua, Italy

[2] IOM INFM, I-34149 Trieste, Italy

[3] LaNN Lab Nanofabricat Nanodevices, I-35127 Padua, Italy

[4] Inst Energet & Interphases IENI CNR, I-35127 Padua, Italy

[5] Univ Padua, Dept Informat Engn, I-35132 Padua, Italy

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2013年 / 31卷 / 01期

关键词：

D O I：

10.1116/1.4769975

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The authors present their work in the preparation of nanoporous gold layers and their patterning with an original procedure preserving the porosity, to obtain the phenomenon of extraordinary transmission of light with a porous material. The design, fabrication, and characterization of nanoslit arrays made with bulk gold and nanoporous gold films are presented and their sensing performances are compared after coating with thiolated organic molecules. Thanks to a greatly enhanced surface-to-volume ratio, nanoporous gold reveals benefits for better reaction efficiency and detection sensitivity. Moreover, plasmonic properties in the near-IR range assure employment in plasmonic devices. (C) 2013 American Vacuum Society. [http://dx.doi.org/10.1116/1.4769975]

引用

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