Large-Area Plasmonic Substrate of Silver-Coated Iron Oxide Nanorod Arrays for Plasmon-Enhanced Spectroscopy
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Data
2013-06-24
Autores
Carvalho, Waldemir Moura
Volpati, Diogo [UNESP]
Nunes Carvalho, Vitor A.
Aroca, Ricardo F.
Constantino, Carlos J. L. [UNESP]
Souza, Flavio L.
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Editor
Wiley-Blackwell
Resumo
One-dimensional iron oxide materials fabricated on conducting glass substrates and their unique properties make these nanostructures promising candidates for a wide range of applications. Herein, vertically oriented -Fe2O3 nanorod arrays synthesized under hydrothermal conditions over a large area are described, as an active platform for surface-enhanced resonance Raman scattering (SERRS) and surface-enhanced fluorescence (SEF). From scanning electron microscopy images the formation of a homogeneous distribution of vertically oriented rods in a large area is confirmed. For activating the localized surface plasmon resonances, which are responsible for SERRS and SEF, a 6 nm layer of Ag is deposited onto the -Fe2O3 nanorod arrays by physical vapor deposition to form Ag islands.
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Palavras-chave
fluorescence, iron oxide, nanostructures, Raman spectroscopy, surface plasmon resonance
Como citar
Chemphyschem. Weinheim: Wiley-v C H Verlag Gmbh, v. 14, n. 9, p. 1871-1876, 2013.