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Relevant bibliographies by topics / Nanomaterials - Catalytic Applications / Dissertations / Theses

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Dissertations / Theses on the topic 'Nanomaterials - Catalytic Applications'

Author: Grafiati

Published: 7 September 2023

Last updated: 31 July 2025

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1

Zhang, Rui. "Transition-metal-based composite and hybrid nanomaterials for catalytic applications." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19224.

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In der Entwicklung von Technologien für die nachhaltige Erzeugung, Speicherung und Umwandlung von Energie werden Hochleistungskatalysatoren benötigt. Im Rahmen dieser Arbeit werden verschiedene Übergangsmetall-basierte Katalysatoren, namentlich TiO2/Kohlenstoff-Komposite, anorganisch-organische Hybridsysteme auf Basis von NiFe Phosphonaten sowie Ni Phosphide, synthetisiert, charakterisiert und hinsichtlich ihrer photo- und elektrokatalytischen Eigenschaften untersucht. Es wird gezeigt, dass die Grenzflächeneigenschaften der TiO2/C-Komposite signifikant durch die Gestaltung des Heizvorgangs wä

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2

Papa, Letizia. "Synthesis of hybrid nanosheets of graphene oxide, titania and gold and palladium nanoparticles for catalytic applications." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/46/46136/tde-19062017-083751/.

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Nanocatalysis has emerged in the last decades as an interface between homogeneous and heterogeneous catalysis, offering simple solutions to problems that conventional materials have not been able to solve. In fact, nanocatalyst design permits to obtain structures with high superficial area, reactivity and stability, and at the same time presenting good selectivity and facility of separation from reaction mixtures. In this work, we prepared hybrid structures comprising gold, palladium and silver nanoparticles (Au, Pd and Ag NPs), titanate nanosheets (TixO2), graphene oxide (GO), and partially r

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3

Godfrey, Ian. "Synthesis, structure and catalytic applications of monometallic and bimetallic gold-silver nanomaterials." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10040860/.

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This thesis consists of a structural investigation of a range of gold and silver nanomaterials and associated core-shell structures, using X-ray absorption spectroscopy (XAS) as the primary tool; other techniques, including UV-Vis spectroscopy and transmission electron microscopy (TEM), were also used, demonstrating the wider applicability of XAS and other methods to nanomaterials. Dilute, gold/silver core@shell colloids with nominal Au@Ag and Au@Ag@Au structures were prepared and then characterised by extended X-ray absorption fine structure (EXAFS) and TEM. Au@Ag and Au@Ag/Au structures, res

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4

Qazzazie, Dureid [Verfasser], and Gerald A. [Akademischer Betreuer] Urban. "Research and development of novel hybrid nanomaterials for use as catalytic electrodes in fuel cell applications." Freiburg : Universität, 2017. http://d-nb.info/1144828961/34.

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5

Krawiec, Piotr. "Nanostructured Porous High Surface Area Ceramics for Catalytic Applications." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1170181622265-56905.

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In the present work new methods were developed for preparation of novel nanosized and nanostructured ceramic materials. Ordered mesoporous silica SBA-15 was found to be useful as a hard template for the nanocasting of silicon carbide and allowed the preparation of high temperature stable mesoporous silicon carbide ceramics. Chemical vapor infiltration of SBA-15 with dimethyldichlorosilane at elevated temperatures yields SiC/SBA-15 nanocomposites. The subsequent HF treatment of those composites resulted in silica removal and preparation of mesoporous silicon carbide with surface areas between 4

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6

Zhang, Rui [Verfasser], Nicola [Gutachter] Pinna, and Yan [Gutachter] Lu. "Transition-metal-based composite and hybrid nanomaterials for catalytic applications / Rui Zhang ; Gutachter: Nicola Pinna, Yan Lu." Berlin : Humboldt-Universitaet zu Berlin, 2018. http://d-nb.info/1175995266/34.

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7

Krawiec, Piotr. "Nanostructured Porous High Surface Area Ceramics for Catalytic Applications." Doctoral thesis, Technische Universität Dresden, 2006. https://tud.qucosa.de/id/qucosa%3A24989.

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In the present work new methods were developed for preparation of novel nanosized and nanostructured ceramic materials. Ordered mesoporous silica SBA-15 was found to be useful as a hard template for the nanocasting of silicon carbide and allowed the preparation of high temperature stable mesoporous silicon carbide ceramics. Chemical vapor infiltration of SBA-15 with dimethyldichlorosilane at elevated temperatures yields SiC/SBA-15 nanocomposites. The subsequent HF treatment of those composites resulted in silica removal and preparation of mesoporous silicon carbide with surface areas between 4

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8

Koneti, Siddardha. "In situ and 3D environmental transmission electron microscopy of Pd-Al2O3 nano catalysts : Fast tomography with applications to other catalytic systems in operando conditions and to electron beam sensitive nanomaterials." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEI123/document.

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Au début du XXIème siècle, la Microscopie Electronique à Transmission en mode Environnemental (ETEM) est devenue l’une des techniques les plus fiables de caractérisation de nanomatériaux dans des conditions simulant leur vie réelle. L’ETEM est maintenant en mesure de suivre l’évolution dynamique des nanomatériaux dans des conditions variables comme l’exposition à des températures élevées, l’observation en milieux liquide ou gazeux à diverses pressions. Parmi différents domaines de recherche et développement concernés, la catalyse peut bénéficier de manière significative des avancées permises p

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9

Han, Chenhui. "Nanomaterials stabilized pickering emulsions and their applications in catalysis." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/134131/1/Chenhui%20Han%20Thesis_Redacted.pdf.

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This thesis is an exploratory study of nanomaterials stabilized Pickering emulsions and their applications. The study illustrates some novel emulsion behaviour through dynamic observation and develops a mechanically switchable emulsion based on the microstructure design of nanomaterials. The droplets of emulsion are demonstrated as an effective microreactor for chemical reactions that happen at the oil-water interface, showing the potential application of Pickering emulsion in catalysis.

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10

Huh, Seong. "Morphological Control of Multifunctional Mesoporous Silica Nanomaterials for Catalysis Applications." Ames, Iowa : Oak Ridge, Tenn. : Ames Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2004. http://www.osti.gov/servlets/purl/837271-xREJ4t/webviewable/.

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Thesis (Ph.D.); Submitted to Iowa State Univ., Ames, IA (US); 19 Dec 2004.<br>Published through the Information Bridge: DOE Scientific and Technical Information. "IS-T 2397" Seong Huh. US Department of Energy 12/19/2004. Report is also available in paper and microfiche from NTIS.

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11

Adnan, Rohul. "Gold-based Nanomaterials: Spectroscopy, Microscopy and Applications in Catalysis and Sensing." Thesis, University of Canterbury. Chemistry, 2015. http://hdl.handle.net/10092/10507.

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The birth of nanotechnology era has revolutionized materials science, catalysis and field of optoelectronics. Novel and unique phenomena emerge when material dimensions are reduced to ultra-small size regime and enter nanometre (2-100 nm) realm. Such novel materials are expected to replace bulk materials, offering lower cost of manufacturing and enabling progress in many areas such as solar cell, drug delivery, quantum communication and computing, catalysis and sensing applications. With the progress in nanomaterial synthesis and fabrication, the need for the state-of-art characterization tech

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12

Kiendl, Benjamin [Verfasser], Anke [Gutachter] Krüger, and Ann-Christin [Gutachter] Pöppler. "Application of diamond nanomaterials in catalysis / Benjamin Kiendl ; Gutachter: Anke Krüger, Ann-Christin Pöppler." Würzburg : Universität Würzburg, 2020. http://d-nb.info/1208629174/34.

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13

Mercurio, James M. "Interlocked host structures for anion recognition and metal nanoparticles for catalysis and sensing applications." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:40178988-4945-4a98-af98-59a1a35a12d5.

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This thesis describes the synthesis and anion recognition properties of a variety of interlocked host receptors and the application of metal nanoparticles in the areas of catalysis and sensing. <b>Chapter One</b> introduces the field of anion supramolecular chemistry, with particular emphasis on areas relevant to the research discussed in later chapters. Following this, the synthesis and applications of metal nanoparticles are outlined. <b>Chapter Two</b> details the synthesis of a range of halo-triazolium based rotaxanes and explores the effects of altering both the halogen bond donor atom an

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14

Bobb, Julian A. "LASER SYNTHESIS OF NANOMATERIALS INCORPORATED WITHIN HIGH SURFACE AREA MATERIALS: APPLICATIONS FOR HETEROGENEOUS CATALYSIS, WATER TREATMENT, AND PHOTOTHERMAL ENERGY CONVERSION." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5693.

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Chemical methods are generally used for the synthesis of active nanoparticles (metals, semi-metals, metal oxides, and etc) supported on high surface area materials. Chemical methods involve using strong solvents, harmful gases (H2 & CO), and high temperature techniques such as high boiling solvents, calcination and pyrolysis. The main drawbacks of using this approach, is the prevalence of chemical agents on nanomaterials which tends to negate its applications. Alternatively, photochemical and photothermal methods are widely being considered for the synthesis and design of nanomaterials. For th

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15

Bovo, Laura. "Nanostructured Materials Based on ZnO for Cataltytic, Optical and Magnetic Applications." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3423214.

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ZnO based materials, such as Zn1-xTMxO (TM = Mn, Co, Cu) nanopowders, were synthesised by a Sol gel route to investigate their properties in three fields: catalysis, optics and magnetism. These materials were characterised by complementary techniques such as X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), X-ray Photoelectron Spectroscopy (XPS) and UV-Vis Spectroscopy. The fine structure and electronic properties of these nanomaterials were studied by X-ray Absorption Spectroscopy (XAS) and Electron Paramagnetic Resonance (EPR). These techniques give site, element and chemical spec

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16

Wu, Yimin A. "Towards large area single crystalline two dimensional atomic crystals for nanotechnology applications." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:bdb827e5-f3fd-4806-8085-0206e67c7144.

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Nanomaterials have attracted great interest due to the unique physical properties and great potential in the applications of nanoscale devices. Two dimensional atomic crystals, which are atomic thickness, especially graphene, have triggered the gold rush recently due to the fascinating high mobility at room temperature for future electronics. The crystal structure of nanomaterials will have great influence on their physical properties. Thus, this thesis is focused on developing the methods to control the crystal structure of nanomaterials, namely quantum dots as semiconductor, boron nitride (B

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17

Lipinska, Monika Elzbieta. "Metalloporphyrin functionalized Carbon Nanomaterials for Catalytic Applications." Doctoral thesis, 2014. https://repositorio-aberto.up.pt/handle/10216/92467.

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18

Lipinska, Monika Elzbieta. "Metalloporphyrin functionalized Carbon Nanomaterials for Catalytic Applications." Tese, 2014. https://repositorio-aberto.up.pt/handle/10216/92467.

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19

Mondal, Avijit. "Graphene Based Nanomaterials for Biosensing and Catalytic Application." Thesis, 2019. http://hdl.handle.net/10821/8256.

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The work presented in this thesis entitled “Graphene Based Nanomaterials for Biosensing and Catalytic Application” was initiated by the author in July, 2011 in Centre for Advanced Materials, Indian Association for the Cultivation of Science, Kolkata, under the supervision of Dr. Nikhil Ranjan Jana. Currently, nanomaterials have wide applications owing to their structural properities. Commonly used nanoparticles include metal/metal oxide (e.g. Pt, Pd, Co3O4, Au, Ag), semiconductor nanoparticle (e.g. TiO2, CdSe, ZnS, ZnO) and magnetic nanoparticle (e.g. Fe2O3, Fe3O4). Similarly, variety of polym

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20

Purbia, Rahul. "Sustainable Synthesis of Multifunctional Nanomaterials for Sensing and Catalytic Applications." Thesis, 2018. http://ethesis.nitrkl.ac.in/9798/1/2018_PHD_RPurbia_512CH1012_Sustainable.pdf.

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Nanotechnology has enable us to develop various novel and advanced materials with unique optical, catalytic, magnetic, electrical and, structural properties for various exciting applications. With the progress of nanoscience and technology, emphasis of the materials are changed from simple nanomaterials to the multi-functional nanomaterials (MFNMs) because of their improved as well as multiple activities. In general, the MFNMs are made with the combination of different components in the same structure, which in turn not only show the additive properties of individual components but also

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21

Krishnan, Anand. "Synthesis of Bioactive Nitrogen Heterocycles and Functionalized Nanomaterials for Biological and Catalytic Applications." Thesis, 2015. http://hdl.handle.net/10321/1181.

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Submitted in fulfillment of the requirements of the Degree of Doctor of Technology: Chemistry,Durban University of Technology, 2014.<br>Aromatic heterocycles are highly important structural units found in a large number of biologically active natural compounds, pharmaceuticals and catalytic compounds. They have a crucial role in organic syntheses, which results in the generation of high value products. Among heterocycles, those containing nitrogen are the most indispensable structural motifs and are widely used against dreaded diseases such as Malaria, TB, HIV/AIDS and Cancer. The inclusion of

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22

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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23

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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24

Mondal, Avijit. "Graphene Based Nanomaterials for Biosensing and Catalytic Application." Thesis, 2019. http://hdl.handle.net/10821/8339.

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25

Chen, Yi-Cheng, and 陳奕丞. "Green Synthesis and Catalytic Application of Gold Nanomaterials." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/39974455403314821271.

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碩士<br>臺灣大學<br>化學研究所<br>98<br>In this work, three-dimensional branched Au nanomaterials were produced at high yield by reacting an aqueous solution of sodium tetrachloroaurate with a tea extract at ambient temperature and pressure. By varying the tea concentrations at a constant amount of sodium tetrachloroaurate, different size and shape of Au nanomaterials were separately prepared. We also synthesized other noble metal nanoparticles such as Ag, Pt and Pd by tea extract. UV-vis absorption, energy dispersive X-ray, X-ray diffraction, and transmission electron microscopy measurements were conduc

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26

Kiendl, Benjamin. "Application of diamond nanomaterials in catalysis." Doctoral thesis, 2020. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-179415.

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In this work the catalytic activity of nanodiamond particles with different dopants and surface terminations and of diamond nanomaterials funtionalized with ruthenium-based photocatalysts was investigated, illustrating materials application in photoredox chemistry and the photo(electro)catalytic reduction of CO2. Regarding the application of diamond nanomaterials in photocatalysis, methods to fabricate and characterize several (un)doped nanoparticles with different surface termination were successfully developed. Various photocatalysts, attached to nanodiamond particles via linker systems, wer

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27

Huh, Seong. "Morphological control of multifunctionalized mesoporous silica nanomaterials for catalysis applications /." 2004.

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28

Alshankiti, Buthainah. "Porous Hybrid Materials for Catalysis and Energy applications." Diss., 2020. http://hdl.handle.net/10754/665766.

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Porous materials have exhibited some remarkable performances in wide range of applications such as in the field of catalysis, gas adsorption, water treatment, bio- imaging, drugs delivery and energy applications. This is due to the pore characteristic of these materials. In fact, their properties depend mainly on the pore size, pore morphology and pore size distribution. The knowledge of understanding the effect of chemical nature of porous materials on the heterogeneous catalysis has significantly increased since last decades resulting in the increase in the development of innovative porous

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29

Chen, Tzu-Ying, and 陳姿穎. "Direct Assembly of Beta Zeolite Seeds into Mesoporous Nanomaterials: Structural Characterization and Catalytic Application." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/11059848326364410036.

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碩士<br>國立臺灣大學<br>化學研究所<br>103<br>A large-area two-dimensional mesostructure with well-ordered mesochannels, especially for supported mesoporous silica thin films (MSTFs) with vertical mesochannels, have drawn lots of attention in potential applications. However, due to dissimilarity of two interfaces, micelle-templating method usually leads to parallel aligned channels on substrates. Herein we introduce an oil agent into synthetic solution for effectively tuning interfacial interaction between the substrate and solution. As a result, the oil agent here serves as two key roles: (i) one is to tun

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30

Radu, Daniela Rodica. "Mesoporous silica nanomaterials for applications in catalysis, sensing, drug delivery and gene transfection /." 2004.

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31

Wu, Guo-hao, and 吳國豪. "Electro Catalysis Property of Hybrid Metal/Oxide/Multi-Walled Carbon Nanotubes Nanomaterial for Fuel Cell Applications." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/78569097805010304871.

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碩士<br>大同大學<br>材料工程學系(所)<br>101<br>Electric catalysts are easily poisoned by CO adsorption in oxidation of methanol and formic acid that will lead to decrease the performances of catalysts. In this study, the metal oxides are introduced and coated on the MWCNTs to prevent CO poison the electro catalysts, and to improve catalyst activity and stability. Hybrid Oxides/ MWCNTs are synthesized by two different methods: chemical reduction method and impregnation method. Noble metals (Platinum, Pt or Palladium, Pd) are synthesized by polyol method to deposit on the MWCNTs or Oxide/MWCNTs. In Pt-seri

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