Synthesization of noble metal nanoparticles by pulsed laser ablation method in liquids and thin film applications

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buir.advisorOrtaç, Bülend
dc.contributor.authorVural, Hüseyin Avni
dc.date.accessioned2016-01-08T18:22:02Z
dc.date.available2016-01-08T18:22:02Z
dc.date.issued2012
dc.descriptionAnkara : The Materials Science and Nanotechnology Program of the Graduate School of Engineering and Science of Bilkent University, 2012.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 2012.en_US
dc.descriptionIncludes bibliographical references leaves 60-66.en_US
dc.description.abstractPulsed Laser Ablation in Liquid (PLAL) is promising, alternative, easy, fast and free of agent method for synthesization of nanoparticles (NPs). Various kinds of NPs can be synthesized easily by PLAL, such as base metals, noble metals, semiconductors, nanoalloys, magnetic and core–shell nanostructures. Additionally, crystallized NPs can be easily obtained in one-step procedure by PLAL without subsequent heat-treatments. Synthesization of gold (Au), silver (Ag) and platinum (Pt) NPs with PLAL using Nd: YLF laser (Q-Switched Laser, 527 nm wavelength, 16 W average power, 110 ns pulse duration, and 16 mJ pulse energy for 1 kHz) in different liquid environments is reported. Firstly, Ag, Au and Pt NPs have been synthesized with pulsed Nd: YLF laser in deionized water. Secondly, these NPs have been synthesized in methanol under similar conditions. Colloidal NP solutions are then characterized with Transmission Electron Microscopy, Scanning Electron Microscopy, X-Ray Photoelectron Spectrophotometer, X-Ray Diffractometer and UV-Vis Photospectrometer analysis techniques.In the second part, applications of noble metal nanoparticles have been investigated. Firstly, Au and Ag NPs have been synthesized in Polyvinylpyrolidone solution in order to prepare nanofibrous composites. The Au and Ag NPs embedded in nanofibrous composites then characterized with UV-Vis Photospectrometer and Transmission Electron Microscopy. In addition, AuNPs have been synthesized with varying energies of laser (9,2 mJ, 12 mJ and 16 mJ for 1kHz) in order to understand the role of laser energy on PLAL. Finally, thin-film applications also presented: Pulsed Laser Deposition by PLAL and simple spin-coating deposition with AuNPs synthesized in methanol.en_US
dc.description.provenanceMade available in DSpace on 2016-01-08T18:22:02Z (GMT). No. of bitstreams: 1 0006366.pdf: 3190633 bytes, checksum: e1935b8fa104ae20e4110e69b139782b (MD5)en
dc.description.statementofresponsibilityVural, Hüseyin Avnien_US
dc.format.extentxiii, 66 leaves, illustrationsen_US
dc.identifier.urihttp://hdl.handle.net/11693/15647
dc.language.isoEnglishen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectPulsed Laser Ablation Methoden_US
dc.subjectGold, Silver and Platinum Nanoparticlesen_US
dc.subjectPulsed Laser Depositionen_US
dc.subjectThin Film Depositionen_US
dc.subjectOptical Characterizationen_US
dc.subjectTransmission Electron Microscopyen_US
dc.subjectX-RayPhotoelectron Spectroscopyen_US
dc.subjectX-Ray Diffractometeren_US
dc.subject.lccTA1715 .V87 2012en_US
dc.subject.lcshLaser ablation.en_US
dc.subject.lcshPulsed laser deposition.en_US
dc.subject.lcshNanostructured materials.en_US
dc.subject.lcshMetals.en_US
dc.subject.lcshThin films.en_US
dc.subject.lcshNanoparticles.en_US
dc.titleSynthesization of noble metal nanoparticles by pulsed laser ablation method in liquids and thin film applicationsen_US
dc.typeThesisen_US
thesis.degree.disciplineMaterials Science and Nanotechnology
thesis.degree.grantorBilkent University
thesis.degree.levelMaster's
thesis.degree.nameMS (Master of Science)

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