Abstract
Surface enhanced raman scattering (SERS) is known for its high sensitivity toward detection down to single molecule level under optimal conditions using surface plasmon resonance (SPR). To excite the SPR for SERS application, nanostructured noble metal supports such as a nanoparticle have been widely used. However, for excitation of SPR for SERS application using noble metal nanoparticle has several disadvantages such as sophisticated fabrication procedure and low reproducibility of SPR excitation efficiency. To overcome these disadvantages, in this study, plasmonic crystal (PC)-SERS substrate which has a periodic noble metal nanostructure was successfully fabricated rapidly and cost-effectively based on nanoimprint lithography (NIL).
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