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dc.contributor.advisorDemir, Hilmi Volkanen_US
dc.contributor.authorNizamoğlu, Sedaten_US
dc.date.accessioned2016-07-01T11:09:55Z
dc.date.available2016-07-01T11:09:55Z
dc.date.issued2007
dc.identifier.urihttp://hdl.handle.net/11693/29977
dc.descriptionCataloged from PDF version of article.en_US
dc.description.abstractToday approximately one third of the world population (about two billion people) in under-developed countries has no access to electricity and relies on unhealthy, costly and low-quality fuel-based lighting for home illumination. In the rest of the world, lighting consumes a large portion (20%) of the total electricity production, which significantly contributes to global warming problem. Also given limited resources, such large energy consumption needs to be reduced for sustainable economic growth. Solid state lighting provides remedy to these problems for the entire globe. Therefore, the advancement of white light emitting diodes (WLEDs) becomes a key point for development of human civilization. To this end, the strong demand for the development of high quality WLEDs around the globe motivates our research work on the investigation of white light generation with high color rendering index. In this thesis, we develop and demonstrate nanocrystal hybridized light emitting diodes with high color rendering index. By the hybridization of multiple layer-by-layer assemblies of CdSe/ZnS core-shell nanocrystals on blue and near ultraviolet (n-UV) InGaN/GaN light emitting diodes, we show white light generation with highly tunable optical properties such as tristimulus color coordinates, correlated color temperature, and color rendering index. Additionally, by using dual hybridization of nanocrystals in combination with conjugated polymers, we obtain white light sources with high color rendering indices exceeding the requirements of the future solid state lighting applications. In this thesis, we present design, growth, fabrication, experimental characterization and theoretical analysis of these hybrid white LEDs.en_US
dc.description.statementofresponsibilityNizamoğlu, Sedaten_US
dc.format.extentxvi, 92 leaves, graphs, tablesen_US
dc.language.isoEnglishen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectWhite lighten_US
dc.subjectLight emitting diodeen_US
dc.subjectColor rendering indexen_US
dc.subjectTunableen_US
dc.subjectNanocrystalen_US
dc.subjectHybridizationen_US
dc.subjectInGaN/GaNen_US
dc.subjectBlueen_US
dc.subjectNear ultravioleten_US
dc.subject.lccTK7871.89.L53 N59 2007en_US
dc.subject.lcshLight emitting diodes.en_US
dc.titleNovel hybrid light emitting diodes with multiple assemblies of nanocrystals to generate and tune white lighten_US
dc.typeThesisen_US
dc.departmentDepartment of Physicsen_US
dc.publisherBilkent Universityen_US
dc.description.degreeM.S.en_US
dc.identifier.itemidBILKUTUPB102596


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