Use of optical methods for studying photocurrent generation mechanism in silver nanowires and defects in glass

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buir.advisorKasırga, Talip Serkan
dc.contributor.authorÜstünçelik, Merve
dc.date.accessioned2021-08-13T13:52:59Z
dc.date.available2021-08-13T13:52:59Z
dc.date.copyright2021-06
dc.date.issued2021-06
dc.date.submitted2021-06-26
dc.departmentGraduate Program in Materials Science and Nanotechnologyen_US
dc.descriptionCataloged from PDF version of article.en_US
dc.descriptionThesis (Master's): Bilkent University, Department of Materials Science and Nanotechnology, İhsan Doğramacı Bilkent University, 2021.en_US
dc.descriptionIncludes bibliographical references (leaves 67-76).en_US
dc.description.abstractThe light-matter interaction covers a wide range of physical phenomena which can be used for the investigation of materials. This interaction can be used both spectroscopically and microscopically to investigate fundamental material properties such as structural, optical, and electrical properties. In this thesis, I used optical methods to characterize materials on macro and nanoscales based on different light phenomena such as scattering, transmission, absorption, and re-flection. First, I used Raman spectroscopy in a diffraction-limited setup to show that the trapped gas inside the bubble defects can be identified in a matter of seconds non-destructively. Also, I investigated near-field methods to gain further understanding about chemical, optical and structural information in nanomate-rials by using an aperture-based transmission mode Near-field Scanning Optical Microscopy (SNOM). Finally, I used scanning photocurrent microscopy to demon-strate photocurrent generation in silver nanowires and nanowire networks. This thesis demonstrates that light-matter interaction can provide useful information in the characterization of a vast class of materials. The advantages of the non-destructive Raman technique in defects analyses, the challenges of working in the near-field region in nanomaterials characterization, and also the photocurrent generation in silver nanowires for the first time have been demonstrated with experimental results.en_US
dc.description.degreeM.S.en_US
dc.description.statementofresponsibilityby Merve Üstünçeliken_US
dc.embargo.release2021-12-23
dc.format.extentxii, 91 leaves : illustratiobs (some color), charts (some color) ; 30 cm.en_US
dc.identifier.itemidB133325
dc.identifier.urihttp://hdl.handle.net/11693/76425
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRaman spectrocopyen_US
dc.subjectAperture-SNOMen_US
dc.subjectNear-field Ramanen_US
dc.subject2D mate-rialsen_US
dc.subjectScanning photocurrent microscopyen_US
dc.subjectNear-field Scanning Photocurrent Mi-croscopyen_US
dc.subjectGlass defectsen_US
dc.subjectSilver nanowireen_US
dc.titleUse of optical methods for studying photocurrent generation mechanism in silver nanowires and defects in glassen_US
dc.title.alternativeGümüş nanotellerde fotoakım üretim mekanizmasını ve camdaki kusurları incelemek için optik yöntemlerin kullanımıen_US
dc.typeThesisen_US

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