Fabrication of plasmonic nanoparticle structures on planar substrates

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dc.contributor.advisor Halas, Naomi J.
dc.creator Lwin, Nyein Z. 2009-06-04T07:01:21Z 2009-06-04T07:01:21Z 2006
dc.description.abstract Studying the optical properties of coupled plasmonic systems is important for both fundamental understanding and optimization of plasmon-enhanced optical sensing applications such as surface enhanced Raman scattering (SERS), near-field optical microscopy (NSOM) and surface plasmon resonance (SPR) sensing. Two nanoparticle structures of particular interest include nanoshell dimers and nanoparticles suspended over a metal film. We present a bench-top wet-chemistry method for nanoparticle dimer fabrication. The significant optical near-field enhancement in the gap between nanoparticles in a dimer structure could make it a powerful tool for enhanced spectroscopy applications. A simple geometry of nanoparticles suspended over a metal film is fabricated and its optical response is probed at various film thicknesses using optical transmission spectroscopy. A virtual resonance state emerged from interaction between discrete nanoparticle plasmons and the effective continuum of film plasmons shows a strong red-shift as the film thickness is decreased.
dc.format.extent 22 p.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.subject Engineering, Electronics and Electrical
dc.title Fabrication of plasmonic nanoparticle structures on planar substrates
dc.type.genre Thesis
dc.type.material Text Electrical and Computer Engineering Engineering Rice University Masters Master of Science
dc.identifier.citation Lwin, Nyein Z.. (2006) "Fabrication of plasmonic nanoparticle structures on planar substrates." Masters Thesis, Rice University.

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