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Hyoban Lee, Youngdong Yoo, Taejoon Kang, Juneho In, Min-Kyo Seo and Bongsoo Kim Topotaxial Fabrication of Vertical AuxAg1–x Nanowire Arrays: Plasmon-Active in the Blue Region and Corrosion Resistant Small 8

Article first published online: 19 MAR 2012 | DOI: 10.1002/smll.201102576

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Single-crystalline AuxAg1–x nanowires (NWs) are synthesized by a topotaxial method using Ag vapor transport. Au0.5Ag0.5 NWs are more inert than Ag NWs to oxidation and have significant plasmonic activity in the blue wavelength region. They have strong surface- enhanced Raman scattering enhancement comparable to that of Ag NWs. The characteristics of Au0.5Ag0.5 NWs make them candidates for improved plasmonic devices.

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