Tesis sobre el tema "Metal Nanoparticles - Synthetic Studies"
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Sidhaye, D. S. "Studies on synthesis and assembly of metal nanoparticles". Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2009. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2779.
Texto completoSo, Man-ho y 蘇文浩. "Nanochemistry, synthesis, characterization and application studies of metal nanoparticles and metalloporphyrin nanowires". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B43703677.
Texto completoSo, Man-ho. "Nanochemistry, synthesis, characterization and application studies of metal nanoparticles and metalloporphyrin nanowires". Click to view the E-thesis via HKUTO, 2010. http://sunzi.lib.hku.hk/hkuto/record/B43703677.
Texto completoRaffa, Patrizio. "Metal vapour synthesis of stabilized transition metal nanoparticles: characterization, studies on factors affecting particle size and catalytic applications". Doctoral thesis, Scuola Normale Superiore, 2009. http://hdl.handle.net/11384/85791.
Texto completoMeduri, Kavita. "Carbon-Supported Transition Metal Nanoparticles for Catalytic and Electromagnetic Applications". Thesis, Portland State University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10933285.
Texto completoRecently, there has been growing interest in using transition metals (TM) for catalytic and electromagnetic applications, due to the ability of TMs to form stable compounds in multiple oxidation states. In this research, the focus has been on the synthesis and characterization of carbon-supported TM nanoparticles (NPs), specifically palladium (Pd) and gold (Au) NPs, for catalytic applications, and transition metal oxides (TMO) NPs, specifically Fe3O4 NPs for electromagnetic applications. Carbon supports have several advantages, such as enabling even distribution of particles, offering large specific surface area with excellent electron conductivity, and relative chemical inertness.
In this dissertation, for catalytic applications, emphasis was on removal of trichloroethylene (TCE) from groundwater. For this application, carbon-supported Pd/Au NP catalysts were developed. Pd was chosen because it is more active, stable and selective for desired end-products, and Au has shown to be a good promotor of Pd’s catalytic activity. Often, commercially available Pd-based catalysts are made using harsh chemicals, which can be harmful to the environment. Here, an environmentally friendly process with aspects of green chemistry was developed to produce carbon-supported Pd/Au NP catalysts. This process uses a combination of sonochemistry and solvothermal syntheses. The carefully designed carbon-supported Pd/Au NP catalyst material was systematically characterized, tested against TCE, and optimized for increased rate of removal of TCE. Electron microscopy and spectroscopy techniques were used to study the material including structure, configuration and oxidative state. The Pd/Au NPs were found mainly to form clusters with an aggregate-PdShellAuCore structure. Using state-of-the-art direct detection with electron energy loss spectroscopy, the Pd NPs were found to have an oxidative state of zero (0). The formation of the catalyst material was studied in detail by varying several synthesis parameters including type of solvent, sonication time, synthesis temperature etc. The most optimized catalyst was found remove TCE at double the rate of corresponding commercial Pd-based catalysts in a hydrogen headspace. This material was found to catalyze the removal of TCE via traditional hydrodehalogenation and shows promise for the removal of other contaminants such as trichloropropane (TCP), carbon tetrachloride (CT).
This green approach to make and optimize TM materials for specific applications was extended to TMOs, specifically magnetite (Fe3O4) and further developed for the application of electromagnetism. As catalysts, Fe3O4 is used for removal of p-nitrophenol from water. However, since the carbon-supported Pd/Au material system was developed and optimized for catalysis, here, carbon-supported Fe3O 4 NPs were developed for electromagnetic applications. There has been growing interest in tuning the magnetic properties of materials at room temperature with the use of external electric fields, for long-term applications in data storage and spintronic devices. While a complete reversible change of material properties has not yet been achieved, some success in partial switching has been achieved using multiferroic spinel structures such as Fe3O 4. These materials experience a change in magnetic moment at room temperature when exposed to the electric fields generated by electrochemical cells such as lithium ion batteries (LIBs) and supercapacitors (SC). In the past, a 1% reversible change was observed in Fe3O4 using LIBs. Here, building on the developments from previous material system, Fe 3O4 NPs were directly hybridized onto the graphene support in order to increase the observable change in magnetic moment. The material was systematically designed and tested for this application, including a study of the material formation. A simple, environmentally friendly synthesis using the solvothermal process was implemented to make the graphene-supported Fe 3O4 NPs. This new material was found to produce a reversible change of up to 18% in a LIB. In order to overcome some of the difficulties of testing with a LIB, a corresponding hybrid SC was designed, built and calibrated. The graphene-supported Fe3O4 NPs were found to produce a net 2% reversibility in the SC, which has not been reported before. The results from both the LIB and SC were analyzed to better understand the mechanism of switching in a spinel ferrite such as Fe3O4, which can help optimize the material for future applications.
The focus of this dissertation was on the development of a methodology for carbon-supported TM and TMO NPs for specific applications. It is envisioned that this approach and strategy will contribute towards the future optimization of similar material systems for a multitude of applications.
Ray, Priyanka. "Calixarenes and Nanoparticles : Synthesis, Properties and Applications". Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112131.
Texto completoThe work presented in this manuscript includes the organic synthesis of different types of calixarenes, the study of their optical properties, computational studies for determination of their favourable conformations and their use in the stabilisation of nanoparticles. Silver, gold, platinum and bimetallic (Ag-Au) nanoparticles were synthesised using radiolytic reduction as well as photochemical method. These nanoparticles were stabilised by calixarenes and also other ligands which included several polymers. The nanomaterials were characterised using UV-Visible absorption and fluorescence spectroscopy and transmission electron microscopy (TEM) measurements. As metal nanoparticles are known for their applications in various fields, the antibacterial properties of silver nanoparticles and the electrocatalytic properties of gold nanoparticles were tested
Zimmermann, M. y G. Garnweitner. "Formation Studies on the Nonaqueous Synthesis of Metal Oxide Nanoparticles in a 1.5 L Reactor System". Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34891.
Texto completoTRASATTI, Andrea. "New heteroscorpionate and macrocyclic ligands, related metal complexes and novel Gold nanoparticles: synthesis, structure analysis and biological studies". Doctoral thesis, Università degli Studi di Camerino, 2013. http://hdl.handle.net/11581/401702.
Texto completoTran, Kristina L. "Synthesis, Characterization, and Self-Assembly of Gold Nanorods and Nanoprisms". Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3446.
Texto completoWeerathunga, Kaluarachchige Don H. "Metal nanoparticle and semiconductor heterogeneous catalysis for synthetic organic oxidation reactions". Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/228677/1/Kaluarachchige%20Don_Weerathunga_Thesis.pdf.
Texto completoFreeman, David J. "Synthetic and metal binding studies of cyclic peptides". Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299566.
Texto completoCartwright, P. S. "Synthetic and spectroscopic studies of transition metal complexes". Thesis, Bucks New University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380302.
Texto completoWellington, Kevin Wayne. "Synthetic and analytical studies of biomimetic metal complexes". Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1005042.
Texto completoNamura, Kyoko. "Studies on Photothermal Conversion by Noble Metal Nanoparticles". 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199303.
Texto completoJones, Robert Edward. "Synthetic and structural studies on early transition metal siloxides". Thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/23079.
Texto completoAlwaaly, Ahmed Ali Swadi. "Protonation of metal-sulfur complexes : synthetic and mechanistic studies". Thesis, University of Newcastle upon Tyne, 2015. http://hdl.handle.net/10443/2958.
Texto completoDavies, Ian Wain. "Stereochemical and synthetic studies on transition metal-catalysed cyclisations". Thesis, University of Bath, 1992. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306358.
Texto completoMUZZI, BEATRICE. "Investigation of synthetic strategies for enhancing the energy product of spinel ferrite nanoparticles". Doctoral thesis, Università di Siena, 2021. http://hdl.handle.net/11365/1126979.
Texto completoFogg, Andrew Michael. "Structural, kinetic and synthetic studies of intercalation compounds". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297906.
Texto completoPrangige, Erandi Sakunthala Peiris. "Product selectivity control in synthetic organic reactions by metal nanoparticle photocatalysis". Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/132075/1/Erandi_Prangige_Thesis.pdf.
Texto completoMcAslan, Ewan Blyth. "Synthetic, structural and spectroscopic studies on some platinum group metal complexes". Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/28560.
Texto completoWestbrook, Georgina. "Synthetic and electrochemical studies of novel transition metal and lanthanide complexes". Thesis, University of Nottingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436811.
Texto completoCrossley, John Gordon. "Synthetic and structural studies of stacked square planar transition metal complexes". Thesis, University of Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317920.
Texto completoPage, Nicola Alison. "Synthetic and structural studies of transition metal organometallic complexes and polymers". Thesis, University of Cambridge, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627581.
Texto completoNogueira, Helena Isabel Seguro. "Synthetic, spectroscopic and catalytic studies on transition metal complexes with oxygen". Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244195.
Texto completoJohnston, Karl Anthony Andrew. "Experimental and theoretical studies of transition metal impurities in synthetic diamond". Thesis, University of London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392528.
Texto completoNakano, Koji. "Synthetic studies on metal-catalyzed carbonation and carbonylation reactions of epoxides". 京都大学 (Kyoto University), 2005. http://hdl.handle.net/2433/144859.
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新制・論文博士
博士(工学)
乙第11664号
論工博第3856号
新制||工||1352(附属図書館)
23477
UT51-2005-D582
京都大学大学院工学研究科材料化学専攻
(主査)教授 檜山 爲次郎, 教授 大嶌 幸一郎, 教授 中條 善樹
学位規則第4条第2項該当
Fluch, Ulrike [Verfasser]. "Noble Metal Nanoparticles and their Application in Electrochemical Studies / Ulrike Fluch". München : Verlag Dr. Hut, 2014. http://d-nb.info/1060587920/34.
Texto completoLawlor, Fiona Jayne. "Synthetic and structural studies involving the elements boron, antimony and bismuth". Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320603.
Texto completoFisher, George Ayrton. "Synthetic and catalytic studies of organo and organo transition metal bismouth compounds". Thesis, University of Newcastle Upon Tyne, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357646.
Texto completoBadahdah, Khadija Omer. "Studies of quinone monooximes and of their metal complexes and synthetic applications". Thesis, London Metropolitan University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300686.
Texto completoMoss, I. "Synthetic and spectroscopic studies on transition metal complexes of sulphur-containing ligands". Thesis, University of Exeter, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374940.
Texto completoJones, A. G. "Synthetic, structural and catalytic studies of metal carbonyl clusters of Group VIII". Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374567.
Texto completoCook, S. L. "Structural and synthetic studies on homo- and heterogeneous transition metal carbonyl cluster". Thesis, University of Southampton, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303890.
Texto completoAngeloni, Alessandro. "Synthetic studies of hydrogen bonding in crystal structures of metal chloride complexes". Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399876.
Texto completoWilliams, I. D. "Structural and synthetic studies of transition metal complexes with unsaturated organic ligands". Thesis, University of Bristol, 1985. http://hdl.handle.net/1983/7447913d-4afc-419a-ac89-d8de8e14c77e.
Texto completoLi, Zheng. "Structural Studies of Natural and Synthetic Macromolecules Stabilized by Metal Ion Binding". Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1295646060.
Texto completoNelson, Janet E. Bercaw John E. Bercaw John E. "Synthetic, structural, and mechanistic studies in early transition metal and actinide chemistry /". Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-07192007-074200.
Texto completoMachell, Jonathan Charles. "Structural and synthetic studies of compounds containing tin and the noble metals". Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253417.
Texto completoHegde, V. R. "Development of homogeneous and heterogeneous transition metal based catalytic organic synthetic methodologies and synthetic studies towards bioactive molecules". Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1996. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2910.
Texto completoClarkson, Lucy Mary. "Synthetic and structural studies in organotransition metal complexes of gallium, indium and thallium". Thesis, University of Newcastle Upon Tyne, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315678.
Texto completoPoole, Mark Charles. "Synthetic and spectroscopic studies of organic sulphides, sulphoxides, sulphones, and their metal complexes". Thesis, University of Exeter, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332281.
Texto completoChe, Lah Nurul Akmal. "Conductivity studies of the size-induced metal-insulator transition (SIMIT) in silver nanoparticles". Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:a2337bd5-0502-4bc0-a565-971e0fa8f6fc.
Texto completoTeng, Die. "Computational studies of transition metal nanoclusters on metal-supported graphene moiré". Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51830.
Texto completoWood, Barry Alan. "Synthetic and analytical studies of phytochelations, the metal(loid)-binding peptides of terrestrial plants". Thesis, University of Aberdeen, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540437.
Texto completoSumida, Yuto. "Studies on New Synthetic Reactions via sp3C-sp3C Bond Cleavage under Transition Metal Catalysis". 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/120875.
Texto completoWaikar, Smruti. "Metal complexes of oxygen-, nitrogen-, and sulphur-containing macrocyclic ligands : synthetic and structural studies". Thesis, London Metropolitan University, 1992. http://repository.londonmet.ac.uk/3388/.
Texto completoCarew, Alexander Jon. "Fundamental studies into the catalytic properties of metal-oxide supported gold and copper nanoparticles". Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367710.
Texto completoNavas, M. P. "Pulsed laser ablation of composite metal nanoparticles: studies on growth, plasmonic sensing and catalysis". Thesis, IIT Delhi, 2017. http://localhost:8080/iit/handle/2074/7229.
Texto completoNouar, Farid. "Design, Synthesis and Post-Synthetic Modifications of Functional Metal-Organic Materials". Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1725.
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