Liquid phase deposition of silica: Thin films, colloids and fullerenes

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dc.contributor.advisorBarron, Andrew R.en_US
dc.creatorWhitsitt, Elizabeth A.en_US
dc.date.accessioned2009-06-04T06:46:33Zen_US
dc.date.available2009-06-04T06:46:33Zen_US
dc.date.issued2004en_US
dc.description.abstractLittle research has been done to explore liquid phase deposition (LPD) of silica on non-planar substrates. This thesis proves that the seeded growth of silica colloids from fullerene and surfactant micelles is possible via LPD, as is the coating of individual single walled carbon nanotubes (SWNTs) and carbon fibers. Working on the premise that a molecular growth mechanism (versus colloidal/gel deposition) is valid for LPD, nanostructured substrates and specific chemical functional groups should act as "seeds," or templates, for silica growth. Seeded growth is confirmed by reactions of the growth solution with a range of surfactants and with materials with distinctive surface moieties. LPD promises lower production costs and environmental impact as compared to present methods of coating technology, because it is an inherently simple process, using low temperatures and inexpensive air-stable reactants. Silica is ubiquitous in materials science. Its applications range from thixotropic additives for paint to gate dielectrics in the semiconductor industry. Nano-structured coatings and thin films are integral in today's electronics industry and will become more vital as the size of electronics shrinks. With the incorporation of nanoparticles in future devices, the ability to deposit quality coatings with finely tuned properties becomes paramount. The methods developed herein have applications in fabricating insulators for use in the future molecular scale electronics industry. Additionally, these silica nanoparticles have applications as templates for use in photonics and fuel cell membrane production and lend strength and durability to composites.en_US
dc.format.extent117 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS CHEM. 2005 WHITSITTen_US
dc.identifier.citationWhitsitt, Elizabeth A.. "Liquid phase deposition of silica: Thin films, colloids and fullerenes." (2004) Diss., Rice University. <a href="https://hdl.handle.net/1911/18836">https://hdl.handle.net/1911/18836</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/18836en_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.subjectInorganic chemistryen_US
dc.subjectEngineeringen_US
dc.subjectMaterials scienceen_US
dc.titleLiquid phase deposition of silica: Thin films, colloids and fullerenesen_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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