Plasmon Enhanced Raman From Ag Nanopatterns Made Using Periodically Poled Lithium Niobate and Periodically Proton Exchanged Template Methods

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Title: Plasmon Enhanced Raman From Ag Nanopatterns Made Using Periodically Poled Lithium Niobate and Periodically Proton Exchanged Template Methods
Authors: Damm, Signe
Craig Carville, N.
Rodriguez, Brian J.
Manzo, Michele
Gallo, Katia
Rice, James H.
Permanent link: http://hdl.handle.net/10197/4511
Date: Sep-2012
Abstract: We study Ag nanopattern arrays formed using ferroelectric lithography based on two separate approaches, i.e., periodically poled lithium niobate (PPLN) and periodically proton exchanged (PPE) template methods. We demonstrate that such nanoarrays are plasmon active. Raman spectroscopy was applied to study molecular probe 4-aminothiophenol (4-ABT) absorbed onto a silver nanostructured array. The observed Raman spectra show peaks arising from b2 modes, which occur for plasmon enhanced Raman from 4-ABT in place of a1 modes, which occur in normal Raman scattering. We demonstrate that the PPLN and PPE substrates possess different plasmonic properties with PPE creating a stronger SERS signal relative to PPLN substrates.
Type of material: Journal Article
Publisher: ACS Publications
Copyright (published version): 2012 American Chemical Society
Keywords: Ferroelectric lithography;SERS;Periodically poled lithium niobate;Periodically proton exchanged
DOI: 10.1021/jp310248w
Language: en
Status of Item: Peer reviewed
Appears in Collections:Physics Research Collection

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