Optical and Transport Properties of Nano-objects

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dc.contributor.advisorLink, Stephanen_US
dc.contributor.committeeMemberNordlander, Peteren_US
dc.contributor.committeeMemberHafner, Jason Hen_US
dc.creatorWang, Lin-yungen_US
dc.date.accessioned2016-02-05T15:24:46Zen_US
dc.date.available2016-02-05T15:24:46Zen_US
dc.date.created2015-12en_US
dc.date.issued2015-09-01en_US
dc.date.submittedDecember 2015en_US
dc.date.updated2016-02-05T15:24:46Zen_US
dc.description.abstractThis dissertation presents theoretical and experimental studies on the optical and transport properties of selected nano-objects. The theoretical part of this work is particularly devoted to the study of the optical spectra of quasi-1D gold nanoparticle assemblies, single gold nanorod and its chiral dimer. The theoretical method is based on the analytical and numerical solutions to the classical Maxwell's equations. Specifically, quasi-1D gold nanoparticle assemblies of equal width comprising nanoparticles with different sizes, the onset of the infinite chain limit and its associated energy are governed by the number of repeat units and not the overall length of the polymer. Chiral, twisted, self-assembled gold nanorod dimers were modelled by the finite-difference time-domain method. It is demonsrated through extensive simulations that the lineshape of the scattering circular dichroism spectra of twisted gold nanorod dimers is tuned through two major ways of symmetry breakings: size mismatch and twistness. Finally, using single-molecule fluorescence microscopy, the transport properties of an interesting surface-rolling molecule, \textit{nanocar}, is characterized by means of its 2D diffusion coefficient and fraction of moving, which are in good agreement with a 2D surface diffusion model. The findings presented in this thesis bring deeper and more sophisticated understanding to the underlying mechanisms of nanoscience.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationWang, Lin-yung. "Optical and Transport Properties of Nano-objects." (2015) Diss., Rice University. <a href="https://hdl.handle.net/1911/88387">https://hdl.handle.net/1911/88387</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/88387en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectplasmonicsen_US
dc.subjectsingle-particle spectroscopyen_US
dc.subjectgold nanoparticlesen_US
dc.subjectcircular dichroismen_US
dc.subjectsingle-molecule fluorescenceen_US
dc.titleOptical and Transport Properties of Nano-objectsen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentChemistryen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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