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Dissertations / Theses on the topic 'Nanocomposite metal oxides'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Fulvio, Pasquale Fernando. "Synthesis and Characterization of Ordered Mesoporous Inorganic Nanocomposite Materials." Kent State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=kent1258990927.

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2

Adireddy, Shivaprasad Reddy. "High Yield Solvothermal Synthesis of Hexaniobate Based Nanocomposites via the Capture of Preformed Nanoparticles in Scrolled Nanosheets." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1726.

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The ability to encapsulate linear nanoparticle (NP) chains in scrolled nanosheets is an important advance in the formation of nanocomposites.These nanopeapods (NPPs) exhibit interesting properties that may not be achieved by individual entities. Consequently, to fully exploit the potential of NPPs, the fabrication of NPPs must focus on producing composites with unique combinations of morphologically uniform nanomaterials. Various methods can produce NPPs, but expanding these methods to a wide variety of material combinations can be difficult. Recent work in our group has resulted in the in sit

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3

MUREDDU, MAURO. "Mesostructured metal oxide-based nanocomposites as sorbents for H2S removal from syngas coal gasification." Doctoral thesis, Università degli Studi di Cagliari, 2015. http://hdl.handle.net/11584/266555.

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Desulphurization of gas phase sulphur compounds has been receiving dramatic attention since hazardous, corrosive, and toxic gases that cause environmental damages (especially acid rain) and industrial challenges (i.e., corrosion of equipment and deactivation of catalysts). This dissertation presents results of R&D efforts to develop efficient MeOx/SBA-15-based sorbents for H2S removal in view of possible applications in hydrogen purification, air pollution control, and deep desulphurization of fossil fuels. It is precisely in the latter topic that the research project was born. The produ

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4

Xu, Chunbao. "Continuous and batch hydrothermal synthesis of metal oxide nanoparticles and metal oxide-activated carbon nanocomposites." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-07302006-231517/.

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Thesis (Ph. D.)--Chemical and Biomolecular Engineering, Georgia Institute of Technology, 2007.<br>Teja, Amyn, Committee Chair ; Kohl, Paul, Committee Member ; Liu, Meilin, Committee Member ; Nair,Sankar, Committee Member ; Rousseau, Ronald, Committee Member.

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5

Della, Gaspera Enrico. "Noble Metal / Metal Oxide nanocomposite thin films for optical gas sensors." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3427450.

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In the last decades, the research field known as nanotechnology has been deeply investigated since it helps to understand the properties of the materials, and provides a useful tool to design materials with tailored properties, that can be exploited for many applications across the whole field of science. Nanomaterials exhibit distinctive size-dependent properties, and a high surface to volume ratio, extremely useful in applications like sensing and catalysis. In this doctoral project, different combinations of noble metals and transition metal oxides have been used to prepare inorganic thin

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6

Alam, Tanvir E. "Metal Oxide Graphene Nanocomposites for Organic and Heavy Metal Remediation." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/3945.

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This thesis consists of two research problems in the water decontamination area. In the first work, the main focus is to understand the structure and photocatalytic activity of titanium dioxide with graphene (G-TiO2) which is synthesized by using sol-gel method. The photocatalytic activity of TiO2 is limited by the short electron hole pair recombination time. Graphene, with high specific surface area and unique electronic properties, can be used as a good support for TiO2 to enhance the photocatalytic activity. The obtained G-TiO2 photocatalysts has been characterized by X-Ray Diffraction (XRD

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7

Barnes, Jean-Paul L. P. Barnes. "TEM studies of thin film oxide/metal nanocomposites." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398136.

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8

Volodin, A. A., B. P. Tarasov, A. A. Belmesov, E. V. Gerasimova, A. D. Zolotarenko, and D. V. Shchur. "Electro-Conductive Composites Based on Metal Oxides and Carbon Nanostructures." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35124.

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Optimal conditions were found for the formation of carbon-oxide composites by the treatment of mixtures of oxides of aluminum or titanium with carbon nanotubes and nanofibers in a planetary ball mill. The dependences of the electrical conductivity of composites on the content of carbon nanomaterials (1-5% by mass) were determined. It is shown that the addition of 3%(wt) of CNT to the oxides leads to a sharp increase in the electrical conductivity: from 5.0×10-8 to 2.8×10-4 S/cm for Al2O3 and from 5.0×10-6 to 2.2×10-2 S/cm for TiO2. It was shown that the carbon-oxide composites are promisi

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9

Imagawa, Haruo. "Study on Metal Oxide Nanomaterials for Automotive Catalysts." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/158079.

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10

Kim, K. B., J. G. Kim, H. K. Kim, et al. "Nanocomposites of Reduced Graphene Oxide for Energy Storage Applications." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35266.

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A well-crystallized and nano-sized Metal oxide/reduced graphene oxide composite material for lithium ion batteries has been successfully synthesized. The nano-sized metal oxide particles were evenly dispersed on the reduced graphene oxide template without any agglomeration, which allows the inherent high active surface area of individual metal oxide nano-particles in the composite. These unique structural and morphological properties of metal oxide on the highly conductive reduced graphene oxide sheets in the composite enable achieving the high specific capacity, and excellent high rate c

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11

Biswal, M. "Novel synthesis and applications of functional carbon, transition metal oxides and their nanocomposites." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2013. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2187.

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12

Garzón, Manjón Alba. "Synthesis of Metal Oxide Nanoparticles for Superconducting Nanocomposites and Other Applications." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/399330.

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Los proceso térmicos y por microondas, se utilizan para sintetizar nanopartículas de diferentes óxidos metálicos tales como magnetita (Fe3O4) y óxido de cerio (CeO2). Mediante la modificación de los precursores Fe(R2diket)3 (R = Ph, tBu y CF3), Ce(acac)3 y Ce(OAc)3, y siguiendo la misma ruta de síntesis, es posible controlar el tamaño y la forma de los nanocristales obtenidos. La ruta general se lleva a cabo en trietilenglicol (TREG) o benzylalcohol (BnOH), debido a su alto punto de ebullición y que además puede actuar como estabilizante de las nanopartículas en disolventes polares. Las nan

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13

Ngo, Ngan Kim. "Electrochemical Deposition of Metal Organic-Modified-Ceramic Nanoparticles to Improve Corrosion and Mechanical Properties." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1538778/.

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Corrosion is an unstoppable process that occurs spontaneously in many areas of industry, specially, oil and gas industries. Therefore, the need of developing protective coating to lower the cost of corrosion is very consistent. Among different methods, electrodeposition has been a popular method since it offer many advantages such as low cost, ability to control the surface and thickness of the coating, ability to perform at low temperature and pressure, and very convenience. Ceramic nanoparticles have been widely incorporated into metal coating and used as a protective layer to improve both c

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14

Xue, Siqi. "Organic-modifier-free pathways for the preparation of polymer-metal oxide nanocomposites." Diss., Connect to online resource - MSU authorized users, 2007.

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15

Kumari, S. "Designing of chitosan and metal/metal oxide nanoparticle based nanocomposites for tissue engineering and drug delivery applications." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2013. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2261.

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16

Khawaja, Mohamad. "Synthesis and Fabrication of Graphene/Conducting Polymer/Metal Oxide Nanocomposite Materials for Supercapacitor Applications." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5715.

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The rising energy consumption worldwide is leading to significant increases in energy production with fossil fuels being the major energy source. The negative environmental impact of fossil fuel use and its finite nature requires the use of alternative sources of energy. Solar energy is a clean alternative energy source; however, its intermittent nature is a major impediment that needs to be reduced or eliminated by the development of cost effective energy storage. Thermal storage in tanks filled typically with molten salt at elevated temperatures is widely used in concentrating solar power pl

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17

Guidetti, Gloria <1990&gt. "Smart surfaces for environmental remediation. Highly efficient photocatalytic nanocomposites incorporating metal oxides and graphene related materials." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8572/1/TESI_Dott_GloriaGuidetti.pdf.

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After the Kyoto Protocol, the World Health Organization estimated in2016 that up to date one out of every nine deaths was related to outdoor/indoor air pollution[1]. As a consequence the World’s population expressed the need to have Healthier Cities and the design of new technologies to eliminate air pollutants[e.g. nitrogen oxides(NOx)and organics] by using natural sunlight, and their integration into smart cities became the centre of an ever increasing research[2]. Photocatalysts based on TiO2 are already on the market[3] and embedded in commercial products, such as cement[4]. However, they

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18

Vu, Quoc Trung. "Electrophoretic deposition of semiconducting polymer metal oxide nanocomposites and characterization of the resulting films." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1137420064480-98497.

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Conducting polymer nanocomposites composed of metal oxides and polythiophene was synthesized by chemical polymerization in colloidal suspensions. The electrochemical and photoelectrochemical properties of such nanocomposites have been studied. For these investigations films of nanocomposites were prepared by an electrophoretic deposition process. The deposition process was studied in greater detail and kinetic details were determined. The high voltage electrophoretic deposition process was combined with a quartz crystal microbalance (QCM). Then the films were characterized by cyclic voltammetr

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19

Sweeney, Jason T. (Jason Thomas) 1971. "Novel metal oxide nanocomposites for oxygen storage, sulfur dioxide adsorption and hydrogen sulfide absorption." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29295.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, February 2003.<br>Includes bibliographical references.<br>Increasingly stringent regulations on automotive emissions have resulted in the need for improved pollution control technology. To reduce mobile emissions, researchers have investigated alternatives such as lean-bum engines and fuel cells. This work is focused on the synthesis, characterization and testing of novel metal oxide nanocomposites to facilitate the utilization of these technologies. In lean-bum engines, the use of adsorbents to remove NOx f

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20

Dywili, Nomxolisi. "Polyanilino-graphene oxide intercalated with platinum group metal nanocomposites, for application as novel supercapacitor materials." University of the Western Cape, 2014. http://hdl.handle.net/11394/4453.

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>Magister Scientiae - MSc<br>Supercapacitors are one of the important subjects concerning energy storage which has proven to be a challenge in this country. Currently, the electrodes of most commercial supercapacitor are made of carbon which is known to be inexpensive and has high resistance to corrosion. These carbon based supercapacitors operate under EDLC. They offer fast charging/discharging rates and have the ability to sustain millions of cycles without degrading. With their high power densities, they bridge the gap between batteries which offer high energy densities but are slow in char

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21

Hancock, Matthew Logan. "THE FABRICATION AND CHARACTERIZATION OF METAL OXIDE NANOPARTICLES EMPLOYED IN ENVIRONMENTAL TOXICITY AND POLYMERIC NANOCOMPOSITE APPLICATIONS." UKnowledge, 2019. https://uknowledge.uky.edu/cme_etds/112.

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Ceria (cerium oxide) nanomaterials, or nanoceria, have commercial catalysis and energy storage applications. The cerium atoms on the surface of nanoceria can store or release oxygen, cycling between Ce3+ and Ce4+, and can therefore act as a therapeutic to relieve oxidative stress within living systems. Nanoceria dissolution is present in acidic environments in vivo. In order to accurately define the fate of nanoceria in vivo, nanoceria dissolution or stabilization is observed in vitro using acidic aqueous environments. Nanoceria stabilization is a known problem even during its synthesis; in fa

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22

Alkan, Gözde [Verfasser]. "Synthesis of photoluminescent rare earth metal oxide based nanocomposites through ultrasonic spray pyrolysis / Gözde Alkan." Düren : Shaker, 2020. http://d-nb.info/1213473004/34.

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23

Chubenko, E. B., A. L. Dolgiy, S. V. Redko, et al. "Functional Nanocomposites Formation by Electrochemical Deposition of Metals and Semiconductors into Porous Silicon." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42558.

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The paper concerns the study of formation of nanocomposites by electrochemical deposition of metals and semiconductors into the porous silicon. Ni and ZnO were used as experimental materials for deposition. The influence of deposition process parameters and structure of initial porous silicon substrates on morphology and composition of formed metal or semiconductor nanostructures are studied. Obtained nanocomposites demonstrated high filling factor and uniformity. Porous silicon/Ni nanocomposites showed strong magnetic anisotropy. Porous silicon/ZnO nanocomposites after thermal annealing had i

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24

Ponzio, Eduardo Ariel. "Nanocompósitos de blendas poliméricas condutoras e óxidos de metais de transição." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/46/46132/tde-13122006-144252/.

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No presente trabalho, é apresentado o desenvolvimento de novos nanocompósito híbridos orgânico-inorgânico, especificamente MnO2/Blendas poliméricas condutoras (BPC) e nanofibras de V2O5 e V2O5/Pani, com propriedades diferenciadas. Estes óxidos nanoestruturados com morfologia definida, bem como a sua combinação com matrizes de polímeros condutores, apresentaram as características necessárias para um bom desempenho como material para catodos de baterias secundárias de lítio e/ou supercapacitores. Através dos resultados obtidos, foi possível demonstrar, de maneira inequívoca, que é possível alca

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25

Tekenya, Ronald. "Graphene-modified pencil graphite mercury-film electrodes for the determination of trace metals by cathodic adsorptive stripping voltammetry." University of the Western Cape, 2018. http://hdl.handle.net/11394/6552.

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>Magister Scientiae - MSc<br>This project focuses on the simple, fast and highly sensitive adsorptive stripping voltammetry detection of Nickel and Cobalt complexed with DMG and Nioxime respectively at a Reduced Graphene Oxide modified pencil graphite electrode in water samples. This research as well demonstrates a novel electrochemically reduced graphene oxide (ERGO)/mercury film (MF) nanocomposite modified PGE, prepared through successive electrochemical reduction of graphene oxide (GO) sheets and in-situ plated mercury film. The GO and graphene were characterized using FT-IR, HR-SEM,

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26

Hu, Qingchun. "Fabrication and characterization of poly(amide-imides)/TiO₂ nanocomposite gas separation membranes." Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-10022008-063009/.

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27

Njomo, Njagi. "Synthesis of sulphonated and transition metal oxide doped polymeric nanocomposites for application in design of supercapacitors." University of the Western Cape, 2011. http://hdl.handle.net/11394/5429.

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Philosophiae Doctor - PhD<br>To meet a fast-growing market demand for next generation portable electronic devices with higher performance and increased device functionalities, efficient electrical energy devices with substantially higher energy, power densities and faster recharge times such as supercapacitors are needed. The overall aim of this thesis was to synthesize nanostructured sulphonated polyaniline and transition metal single, binary and ternary mixed oxide doped nanocomposites with electro-conductive properties. These nanocomposites were anchored on activated graphitic carbon and us

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28

Egodawatte, Shani Nirasha. "Environmental and biomedical applications of iron oxide/ mesoporous silica core-shell nanocomposites." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/5462.

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Mesoporous silica has shown great potential as an adsorbent for environmental contaminants and as a host for imaging and therapeutic agents. Mesoporous silica materials have a high surface area, tunable pore sizes and well defined surface properties which are governed by the surface hydroxyl groups. Surface modification of the mesoporous silica can tailor the adsorption properties for a specific metal ion or a small drug molecule by providing better sites for chelation or electrostatic interactions. Iron oxide / mesoporous silica core shell materials couple the favorable properties of both the

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29

Pallon, Love. "Polyethylene/metal oxide nanocomposites for electrical insulation in future HVDC-cables : probing properties from nano to macro." Doctoral thesis, KTH, Polymera material, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193591.

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Nanocomposites of polyethylene and metal oxide nanoparticles have shown to be a feasible approachto the next generation of insulation in high voltage direct current cables. In order to reach an operationvoltage of 1 MV new insulation materials with reduced conductivity and increased breakdown strengthas compared to modern low-density polyethylene (LDPE) is needed.In this work polyethylene MgO nanocomposites for electrical insulation has been produced andcharacterized both from an electrical and material perspective. The MgO nanoparticles weresynthesized into polycrystalline nanoparticles with

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30

Al-Timimi, Iman Abdullah Jaaffer. "Metal and oxide nanoparticles : green biosynthesis using Portobello Mushroom Spores (PMS) for nanocomposites and replicas, properties and applications." Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/17164.

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This thesis describes novel research using Portobello mushroom spores (PMS) as a biotemplate and reducing agent that may be used to produce nanocomposites and replicas with societal benefits. First, the use of PMS as a green eco-friendly bioreagent for the biosynthesis of Ag, Au and TiOx nanoparticles (NPs) and their hybrids is described. These have been characterised using SEM, TEM, XRD, FTIR, UV, SIMS, DLS and TGA (where a full list of acronyms is to be found on page iv). The spherical shape, location and mean diameter of the PMS-held (5-30nm) Ag and Au NPs were confirmed. PMS functional gro

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31

Morales, Montecinos Daniela Valentina. "Matériaux nanocomposites polypyrrole-oxyde métallique pour l'oxydation de l'eau en oxygène par voie électrocatalytique et photocatalytique." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAV012.

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Ce mémoire de thèse est consacré au développement d'anodes et de photonanodes efficaces pour l'oxydation électrocatalytique et photocatalytique de l'eau à base de nanocomposites dans lesquels des nanoparticules d'oxyde de nickel ou de cobalt ont été insérées dans un film de poly(pyrrole-alkylammonium) chargé positivement. Les anodes nanocomposites renferment des petites nanoparticules d'oxydes de nickel ou de cobalt avec une excellente nanostructuration induite par le film polypyrrole, et des performances catalytiques très élevées par rapport à des anodes sur lesquelles des oxydes de nickel et

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32

Ghaffari, Nastaran. "Electrochemical deposition of Graphene Oxide- metal nano-composite on Pencil-Graphite Electrode for the high sensitivity detection of Bisphenol A by Adsorptive Stripping Differential Pulse Voltammetry." University of the Western Cape, 2018. http://hdl.handle.net/11394/6336.

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Magister Scientiae - MSc (Chemistry)<br>Electrochemical platforms were developed based on pencil graphite electrodes (PGEs) modified electrochemically with reduced graphene oxide metal nanoparticles (ERGO–metalNPs) composite and used for the high-sensitivity determination of Bisphenol A (BPA) in water samples. Synergistic effects of both reduced Graphene Oxide sheets and metal nanoparticles on the performance of the pencil graphite electrode (PGE) were demonstrated in the oxidation of BPA by differential pulse voltammetry (DPV). A solution of graphene oxide (GO) 1 mg mL-1 and 15 ppm of m

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33

Leve, Zandile Dennis. "Determination of paracetamol at the electrochemically reduced graphene oxide-metal nanocomposite modified pencil graphite (ERGO-MC-PGE) electrode using adsorptive stripping differential pulse voltammetry." University of Western Cape, 2020. http://hdl.handle.net/11394/7350.

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>Magister Scientiae - MSc<br>This project focuses on the development of simple, highly sensitive, accurate, and low cost electrochemical sensors based on the modification of pencil graphite electrodes by the electrochemical reduction of graphene oxide-metal salts as nanocomposites (ERGO-MC-PGE; MC = Sb or Au nanocomposite). The electrochemical sensors ERGO-Sb-PGE and ERGO-Au-PGE were used in the determination of paracetamol (PC) in pharmaceutical formulations using adsorptive stripping differential pulse voltammetry. The GO was prepared from graphite via a modified Hummers’ method and characte

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34

Cheema, Tarik Benjamin Ali [Verfasser], and Georg [Akademischer Betreuer] Garnweitner. "Synthesis and Surface Modification of Metal Oxide Nanoparticles for Functional Nanocomposite and Thin Film Applications / Tarik Benjamin Ali Cheema ; Betreuer: Georg Garnweitner." Braunschweig : Technische Universität Braunschweig, 2013. http://d-nb.info/1175890677/34.

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Wickramasinghe, Sameera M. "ENGINEERING NANOMATERIALS FOR IMAGING AND ANTIBIOFILM APPLICATIONS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1586446299726933.

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Pourrahimi, Amir Masoud. "The synthesis, surface modification and use of metal-oxide nanoparticles in polyethylene for ultra-low transmission-loss HVDC cable insulation materials." Doctoral thesis, KTH, Polymera material, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190808.

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Polyethylene composites which contain low concentrations of metal-oxide nanoparticles e.g. ZnO and MgO are emerging materials for the use in insulations of extruded high-voltage direct-current (HVDC) cables. The challenge in the development of the composites with ultra-low electrical conductivity is to synthesize uniform and high-purity metal-oxide nanoparticles, which are functionalized with hydrophobic groups in order to make them compatible with polyethylene. The thesis reports different approaches to prepare this new generation of insulation materials. Different reaction parameters/conditi

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37

Jordens, Kurt. "Hybrid Inorganic-Organic Materials: Novel Poly(Propylene Oxide) Based Ceramers, Abrasion Resistant Sol-Gel Coatings for Metals, and Epoxy-Clay Nanocomposites. With an Additional Chapter On: Metallocene Catalyzed Linear Polyethylene." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/30194.

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The sol-gel process has been employed to generate hybrid inorganic-organic network materials. Unique ceramers were prepared based on an alkoxysilane functionalized soft organic oligomer, poly(propylene oxide) (PPO), and tetramethoxysilane (TMOS). Despite the formation of covalent bonds between the inorganic and organic constituents, the resulting network materials were phase separated, composed of a silicate rich phase embedded in a matrix of the organic oligomer chains. The behavior of such materials was similar to elastomers containing a reinforcing filler. The study focused on the influence

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Fan, Liangdong. "Development and characterization of functional composite materials for advanced energy conversion technologies." Doctoral thesis, KTH, Kraft- och värmeteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134111.

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The solid oxide fuel cell (SOFC) is a potential high efficient electrochemical device for vehicles, auxiliary power units and large-scale stationary power plants combined heat and power application. The main challenges of this technology for market acceptance are associated with cost and lifetime due to the high temperature (700-1000 oC) operation and complex cell structure, i.e. the conventional membrane electrode assemblies. Therefore, it has become a top R&D goal to develop SOFCs for lower temperatures, preferably below 600 oC. To address those above problems, within the framework of th

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"Pulsed photoinitiated fabrication of transition metal oxides-reduced graphitic oxides nanocomposite thin films." Tulane University, 2017.

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Chen, Bo-Yan, and 陳柏諺. "Study of Metal Oxides Nanocomposite for Carbon Dioxide Sensing Applications." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/75sp34.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>103<br>In this thesis, we investigated the nanocomposite material applying to carbon dioxide (CO2) gas sensor. Composite materials have always been popular research topics. We utilized the zinc oxide(ZnO) and tin oxide (SnO2) to form the nanocomposite. Firstly, we used sputtering or dip coating method to deposit zinc oxide as a seed layer on the p-Si substrate. ZnO nanorods structure was grown on the seed layer by hydrothermal method. Next, the SnO2 particles was synthesized on the top of ZnO nanorods by changing the chemical solution. Finally, an annealing step is

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"Photothermal synthesis of transition metal oxides and carbon nanocomposite thin film supercapacitor electrodes." Tulane University, 2021.

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42

Kamble, Ramesh B. "Tuning of electrical and magnetic properties in nanocomposites of conductive LaNiO3 and transition metal oxides." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/5450.

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The discovery of new composites by integrating materials of different physical properties with optimal control is of immense interest to researchers at present. Today, there are several composites being used for several applications. The list of composites and their applications is endless from toys to space applications in today's life, as it is a very broad area of research. Composites are made up of the combinations of two or more materials in which one of the materials, so called reinforcing phase in the form of fibers, tubes and particles which are incorporated in the other called

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(9132629), Shikhar Misra. "Metal-Oxide Nanocomposite for Tunable Physical Properties." Thesis, 2020.

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<p>Understanding how light interacts with the matter is essential for developing future opto-electronic devices. Furthermore, tuning such light-matter interaction requires designing new material platforms that is essential for developing devices which are functional in different light wavelength regimes. Among these designs, particle-in-matrix, multilayer or nanowire morphology, consisting of metal and dielectric materials, have been demonstrated for achieving improved physical and optical properties, such as ferroelectricity, ferromagnetism and negative refraction. For example, Au-TiO<sub>2</

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Kumar, Aniket. "Metal Oxide-Decorated Graphene Oxide Nanocomposites for Catalytic and Photocatalytic Applications." Thesis, 2018. http://ethesis.nitrkl.ac.in/9409/1/2018_PhD_AKUMAR_513CY1003_Metal.pdf.

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Graphene and graphene-based materials, owing to their unique physical and chemical properties, have attracted considerable attention across the scientific communities worldwide. It has heralded a revolution in almost all the branches of materials science and chemistry. The attractive properties of graphene have led the extensive investigations to design and develop low-cost and high yield preparation protocols for chemically-derived graphene (graphene oxide). Graphene oxide (GO), a two-dimensional sheet of sp2 hybridized carbon, has received increasing attention as it possesses similar propert

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Lin, Chieh-En, and 林傑恩. "A study of poly lactic acid/metal oxide nanocomposites." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/35406470488905705308.

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碩士<br>國立勤益科技大學<br>化工與材料工程系<br>97<br>In this studies are divided into PLA/SiO2、PLA/Al2O3、 PLA/SiO2/Al2O3, respectively. Study on the properties from different contents of metal alkoxide. Organic/inorganic Poly(lactic acid)(PLA) metal alkoxide hybrid films are prepared using the sol-gel method. These hybrid films are subjected to thermal stability, mechanical properties, optical properties, surface morphology and structures properties analyses. Also, dynamic mechanical analysis (DMA) and thermo-mechanical analysis (TMA) are used to assess the material dimensional stability and haze meter and ult

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Bajaj, Geetika. "Pulsed laser ablation of metal oxide nanoparticles and gold-metal oxide nanocomposites: synthesis and optical properties." Thesis, 2010. http://localhost:8080/iit/handle/2074/4366.

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Jena, Anirudha. "Development of Metal Oxide/Composite Nanostructures via Microwave-Assisted Chemical Route and MOCVD : Study of their Electrochemical, Catalytic and Sensing Applications." Thesis, 2012. https://etd.iisc.ac.in/handle/2005/3233.

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Jena, Anirudha. "Development of Metal Oxide/Composite Nanostructures via Microwave-Assisted Chemical Route and MOCVD : Study of their Electrochemical, Catalytic and Sensing Applications." Thesis, 2012. http://hdl.handle.net/2005/3233.

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Lu, Ming-I., and 呂明怡. "The Electrochromic Properties of Conjugated Polymers and Their Metal Oxide Nanocomposites." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/98602452635026956098.

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博士<br>國立中央大學<br>化學研究所<br>97<br>Electrochromic materials will change their optical properties (color or transmittance) upon applying dc voltages. Electrochromic devices have been developed for the application as smart windows and anti-glare rear view mirrors, due to their various merits such as multicolor, high contrast, optical memory, and no visual dependence on viewing angle. In this proposal, we synthesize a series of new soluble electrochromic copolymers containing 4,4-Dioctylcyclopenta[2,1-b; 3,4-b’]dithiophene (DOCPDT) unit. Including Red colored Poly[4,4-dioctyl-cyclopentadithiophene-al

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Slanac, Daniel Adam. "Design of nanocomposites for electrocatalysis and energy storage : metal/metal oxide nanoparticles on carbon supports." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-08-6060.

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Controlling catalyst morphology and composition are required to make meaningful structure-activity/stability relationships for the design of future catalysts. Herein, we have employed strategies of presynthesis and infusion or electroless deposition to achieve exquisite control over catalyst composite morphology. The oxygen reduction (ORR) and the oxygen evolution reactions (OER) were chosen as model systems, as their slow kinetics is a major limiting factor preventing the commercialization of fuel cells and rechargeable metal air batteries. In acid, bimetallic (Pt-Cu, Pd-Pt) and monometallic

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