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Design and Control of Tunable Optica...

Goering, Andrea.

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Design and Control of Tunable Optical Resonances in Plasmonic Nanoparticle Ensembles.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Design and Control of Tunable Optical Resonances in Plasmonic Nanoparticle Ensembles./
Author:	Goering, Andrea.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	130 p.
Notes:	Source: Dissertations Abstracts International, Volume: 80-11, Section: B.
Contained By:	Dissertations Abstracts International80-11B.
Subject:	Nanoscience. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13809924
ISBN:	9781392059562

Design and Control of Tunable Optical Resonances in Plasmonic Nanoparticle Ensembles.
Goering, Andrea.

Design and Control of Tunable Optical Resonances in Plasmonic Nanoparticle Ensembles. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 130 p.

Source: Dissertations Abstracts International, Volume: 80-11, Section: B.

Thesis (Ph.D.)--University of Oregon, 2019.

This item must not be sold to any third party vendors.

Predicting and verifying the tunable optical properties of metal nanostructures is central to designing materials optimized for specific applications. Chemically- deposited nanostructures have been well-studied near the percolation threshold, but at lower surface coverages they exhibit sample-to-sample variations in the optical response. We identify how these variations are driven by the high variability in the particle size distribution in a particular surface coverage range. We then explore film-coupled nanoparticle systems consisting of a silver nanoparticle, thin dielectric spacer layer, and flat silver film, to enable tuning toward the blue and green parts of the spectrum. We use the boundary element method to visualize charge distributions of various resonances. We fabricate samples using thermal evaporation and spin coating methods, and use polarized reflectance spectroscopy to measure their optical response at an ensemble level. We achieve a 532nm resonance for 80nm silver nanoparticles on 13nm PMMA spacers and 100nm silver thin films. The resulting design is a candidate for enhancing fluorescence in a new spectral range. This dissertation includes previously unpublished co-authored material.

ISBN: 9781392059562Subjects--Topical Terms:

587832
Nanoscience.

Design and Control of Tunable Optical Resonances in Plasmonic Nanoparticle Ensembles.
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245 1 0 $a Design and Control of Tunable Optical Resonances in Plasmonic Nanoparticle Ensembles.
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300 $a 130 p.
500 $a Source: Dissertations Abstracts International, Volume: 80-11, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Deutsch, Miriam.
502 $a Thesis (Ph.D.)--University of Oregon, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a Predicting and verifying the tunable optical properties of metal nanostructures is central to designing materials optimized for specific applications. Chemically- deposited nanostructures have been well-studied near the percolation threshold, but at lower surface coverages they exhibit sample-to-sample variations in the optical response. We identify how these variations are driven by the high variability in the particle size distribution in a particular surface coverage range. We then explore film-coupled nanoparticle systems consisting of a silver nanoparticle, thin dielectric spacer layer, and flat silver film, to enable tuning toward the blue and green parts of the spectrum. We use the boundary element method to visualize charge distributions of various resonances. We fabricate samples using thermal evaporation and spin coating methods, and use polarized reflectance spectroscopy to measure their optical response at an ensemble level. We achieve a 532nm resonance for 80nm silver nanoparticles on 13nm PMMA spacers and 100nm silver thin films. The resulting design is a candidate for enhancing fluorescence in a new spectral range. This dissertation includes previously unpublished co-authored material.
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650 4 $a Physics. $3 516296
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