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Ko, Hyunhyub
Functional Nanomaterials & Devices Lab.
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Raman Markers from Silver Nanowire Crossbars

Author(s)
Chang, SehoonKo, HyunhyubGunawidjaja, RayTsukruk, Vladimir V.
Issued Date
2011-03
DOI
10.1021/jp109348b
URI
https://scholarworks.unist.ac.kr/handle/201301/3728
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79952847930
Citation
JOURNAL OF PHYSICAL CHEMISTRY C, v.115, no.11, pp.4387 - 4394
Abstract
We fabricated silver nanowire crossbars partially decorated with silver nanoparticles via a double-step transversal capillary transfer microprinting approach and demonstrated their polarization-dependent surface-enhanced Raman scattering (SERS) properties. We demonstrated that SERS intensity of nanowire junctions and nanowire nanoparticle junctions can be turned on/off on demand by the rotation of the polarization plane, which excites specific transversal plasmon resonances and initiates selective excitation/suppression of central and auxiliary nanostructured junctions. We suggest that massive fabrication of such addressable crossbar nanojunctions is important for exploiting these SERS markers for chemical and biological detection assays.
Publisher
AMER CHEMICAL SOC
ISSN
1932-7447

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