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.
Rice, James H.
|Permanent link:||http://hdl.handle.net/10197/4511||Date:||Sep-2012||Online since:||2013-08-07T15:14:47Z||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||Journal:||Journal of Physical Chemistry C||Volume:||116||Issue:||50||Start page:||26543||End page:||26550||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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