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Dissertations / Theses on the topic 'Fullerene nanotube'

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Published: 28 May 2022
Last updated: 30 July 2025

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1

Miyazawa, K. "Synthesis of Fullerene Nanowhiskers and Their Electrical and Superconducting Properties." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42501.

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Fullerene nanowhiskers (FNWs) are thin crystalline fibers composed of fullerene molecules such as C60, C70, endohedral fullerenes or other fullerene molecules with functional groups. FNWs are n-type semiconductors with various application examples such as field-effect transistors, solar cells, chemical sensors, photocatalysts and so forth. Alkali metal-doped C60 (fullerene) nanowhiskers (C60NWs) become superconductors. The K-doped C60NWs have the highest superconducting volume fraction as ever have been realized in the alkali metal-doped C60 crystals and a very high critical current density Jc
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2

Chitta, Raghu. "Studies on self-assembled porphyrin-fullerene and porphyrin-carbon nanotube donor-acceptor conjugates." Diss., Wichita State University, 2007. http://hdl.handle.net/10057/1485.

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The research presented in this dissertation deals with the syntheses, characterization, electrochemical and photophysical studies of porphyrin-fullerene or porphyrin-carbon nanotube based donor-acceptor conjugates. The first chapter provides an introduction to the research presented in this thesis. A summary of primary events that occur in natural photosynthetic systems, the necessity and importance of the artificial photosynthetic mimics for light energy harvesting, the importance of non-covalent porphyrin-fullerene donor-acceptor models over covalent ones and some recent developments in mode
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3

Chitta, Raghu D'Souza Francis. "Studies on self-assembled porphyrin-fullerene and porphyrin-carbon nanotube donor-acceptor conjugates /." Diss., A link to full text of this thesis in SOAR, 2007. http://hdl.handle.net/10057/1485.

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4

Pavlow, Christopher James. "Progress Toward the First Rational Synthesis of a [5.5] Carbon Nanotube." Thesis, Boston College, 2006. http://hdl.handle.net/2345/421.

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Thesis advisor: Lawrence T. Scott<br>The purpose of this project was to make progress toward a chemical synthesis of a conductive [5,5] single-walled nanotube (SWNT), specifically a C50H10 geodesic cap. The term geodesic cap refers to the smallest fragment of a nanotube that resembles the chirality and structure of a specific nanotube. Beyond synthesizing a specific nanotube, we were also interested in exploring new reactions and compounds to perform indenoannulation reactions. The interest in these compounds, which contain indeno structures, comes from their resemblance to C60 and higher full
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5

Liu, Yi 1971. "First-principles study of transport properties of molecular devices : fullerene and carbon nanotube systems." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85571.

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The discovery of fullerenes and carbon nanotubes has been very significant to the field of nanotechnology by providing an abundance of stable, highly symmetric, non-reactive, and relatively large molecules that can, in principle, be manipulated one at a time. At the present stage, a theoretical effort should be carried out in order to find and understand novel phenomena in molecule-based nanostructures which could serve as a basis for fabricating useful molecular devices. In this thesis we investigate from first-principles the transport properties of molecular devices: fullerene and car
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6

Barzegar, HamidReza. "Synthesis and Characterization of Carbon Based One-Dimensional Structures : Tuning Physical and Chemical Properties." Doctoral thesis, Umeå universitet, Institutionen för fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-97551.

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Carbon nanostructures have been extensively used in different applications; ranging from electronic and optoelectronic devices to energy conversion. The interest stems from the fact that covalently bonded carbon atoms can form a wide variety of structures with zero-, one- and two-dimensional configuration with different physical properties. For instance, while fullerene molecules (zero-dimensional carbon structures) realize semiconductor behavior, two-dimensional graphene shows metallic behavior with exceptional electron mobility. Moreover the possibility to even further tune these fascinating
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7

Koh, Wonsang. "First-principles study of the li adsorption on various carbon hybrid systems." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/44845.

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Recent carbon allotropes such as carbon nanotubes (CNTs), fullerenes (C60s) and graphene have attracted great interests in both science and engineering due to their unique properties such as excellent electrical and mechanical properties as well as its vast surface area, and have led to many commercial applications. Especially, CNTs have been considered to be one of the promising candidates in the Li ion battery system because of its outstanding properties. However, the experimental results in the pristine CNT system have shown just slight improvement than original graphitic carbon material, w
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8

Kornienko, N. E., and A. P. Naumenko. "Strong Vibration-Electron Interactions and Vibration Band Enhancement in Vibrational Spectra of C60 Nanofilms and Singlewalled Carbon Nanotubes." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35593.

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In Raman spectra in nanofilms of fullerene C60 with thickness about 150 – 250 nm it was found the en-hancement of vibrational bands Hg (1 ÷ 8) intensity at 2 ÷ 7 times in comparison with the microfilms with thickness 1 – 2 microns. It is shown that the inactive for icosahedral symmetry Ih Raman and IR vibrations Gg, u, Hu, F2g, u, and the lateral spectral components of the bands Hg (1 ÷ 8) increase in 5 – 50 times and more. This is due to an abnormal increasing of the resonant nonlinear interaction of the vibrational modes and the vibrational-electronic interaction, which leads to a change in
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9

Almeida, Luiz Carlos Pimentel 1983. "Filmes finos multicamadas de polímeros condutores, nanotubos de carbono e fulerenos modificados para aplicação na conversão de energia solar." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/248475.

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Orientadores: Ana Flávia Nogueira, Valtencir Zucolotto<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-22T02:59:18Z (GMT). No. of bitstreams: 1 Almeida_LuizCarlosPimentel_D.pdf: 6880507 bytes, checksum: f7a2c24853f25411226ae9b66a2de97b (MD5) Previous issue date: 2012<br>Resumo: Neste trabalho foram estudados filmes finos multicamadas baseados em polímeros condutores, nanotubos de carbono e um derivado de fulereno. Esses filmes foram depositados pela técnica de deposição camada por camada (LbL) via interações eletrostáticas.
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10

Terrones-Maldonado, Mauricio. "Production and characterisation of novel fullerene-related materials : nanotubes, nanofibres and giant fullerenes." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361404.

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11

Hamandi, Marwa. "Élaboration et caractérisation d’oxydes de Titane de Morphologie Contrôlée : application à la Photodégradation de Polluants Organiques." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1077/document.

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Ce travail se résume en deux objectifs principaux. Le premier concerne l'élaboration de matériaux nanohybrides de dioxyde de titane (sous forme sphérique ou tubulaire) décoré par des allotropes de carbone (fullerène fonctionnalisé ou graphène). Le deuxième objectif consiste à l'évaluation de ces différents nanomatériaux dans la photodégradation de l'acide formique (AF) sous irradiation UV. Un effet bénéfique des allotropes de carbone sur l'activité photocatalytique des nanohybrides a été observé suite à l'augmentation de la durée de vie des paires électron-trou photogénérées. Dans un premier t
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12

Zagaynova, Valeria. "Carbon-based magnetic nanomaterials." Doctoral thesis, Umeå universitet, Institutionen för fysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-53568.

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Magnetism of carbon-based materials is a challenging area for both fundamental research and possible applications. We present studies of low-dimensional carbon-based magnetic systems (fullerene-diluted molecular magnets, carbon nanotubes, graphite fluoride, and nanoporous carbon) by means of SQUID magnetometer, X-ray diffraction and vibrational spectroscopy, the latter techniques used as complementary instruments to find a correlation between the magnetic behaviour and the structure of the samples.In the first part of the thesis, characteristic features of the magnetization process in aligned
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13

Chen, Yao-Kuan. "Fullerene related carbon materials and their applications." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362027.

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14

Cullen, Sarah Louise. "Electron microscopy of carbon nanotubes." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387605.

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15

Hsu, Wen-Kuang. "Carbon nanotubes : production, growth and characterisation." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361354.

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16

Britz, David A. "Structure and bonding of fullerenes and nanotubes." Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434859.

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17

Henderson, Gordon George. "Femtosecond laser studies of fullerenes and nanotubes." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7737.

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This work concerns the interaction of intense, ultrashort laser pulses with fullerenes and carbon nanotubes. This includes the excitation and ionisation dynamics of gas phase fullerenes and the response of carbon nanotubes to intense ultrashort laser pulses. When ionising C60 with laser pulses of duration between 50 fs up to a few hundred fs, the ionisation mechanism has been proposed to be thermal in nature, with the electronic subsystem ‘hot’ and the vibrational system ‘cold’ at the time of ionisation. Recent results show an anisotropy in the photoelectron angular distribution which may sugg
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18

Skidmore, Kirsty. "Tight-binding studies of carbon nanotubes." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:8291ed37-15c7-40e3-9ef4-a0db1ba763c1.

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Carbon nanotubes have been subject to a great many theoretical and experimental investigations and have many interesting properties. However, the caps found at the ends of nanotubes have been rather neglected. Previous work has established the possible caps for a given nanotube. This thesis seeks to build on this work to determine which caps are probable. Three representative nanotubes are considered: the (5,5) tube (an example of a metal); the (10,0) tube (an example of an insulator) and the (11,2) tube (for which experimental data is available). A linear scaling density matrix method based o
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19

Bousige, Colin. "Structure et dynamique de systèmes unidimensionnels modèles : les nano-peapods de carbone." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00771820.

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Ce travail de thèse est consacré à l'étude sur une large gamme de températures d'un système unidimensionnel modèle, les nano-peapods de carbone. Ces composés sont constitués de fullerènes (C60, dans notre cas) insérés dans des nanotubes de carbone monofeuillets. Les diamètres des fullerènes et des tubes étant concordant, les fullerènes s'arrangent selon un réseau 1D.Dans le premier chapitre de ce manuscrit, nous décrivons la synthèse des peapods de carbone. Dans les deux chapitres suivants, nous décrivons les différents modèles et méthodes expérimentales qui nous permettent de déterminer l'évo
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20

Greene, Allison Kristen. "The Rational Chemical Synthesis of a C60H12 Carbon Nanotube End-cap and Novel Geodisc Polyarenes." Thesis, Boston College, 2012. http://hdl.handle.net/2345/2890.

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Thesis advisor: Lawrence T. Scott<br>The distinctive molecular structure of carbon nanotubes makes them desirable for electronic and chemical materials; however, current production methods are limited with respect to purity and chirality. Geodesic polyarenes serve as superb templates for the bottom up synthesis of carbon nanotube end-caps, setting the chirality and dimensions of the carbon nanotubes. The work herein describes the synthetic efforts towards the rational synthesis of a [6,6] carbon nanotube end-cap. Chapter 1 describes the efforts towards the synthesis of a C60H12 end-cap, in whi
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21

Stanciu, Catrinel Ruxandra. "Thin films of C60, LiC60 and carbon nanotubes: photopolymerisation, exciton dynamics and nonlinear optical properties." [S.l. : s.n.], 2002. http://www.diss.fu-berlin.de/2002/121/index.html.

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22

Iwasiewicz-Wabnig, Agnieszka. "Studies of carbon nanomaterials based on fullerenes and carbon nanotubes." Doctoral thesis, Umeå : Department of Physics, Umeå University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1312.

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23

Reid, Douglas Grant. "Medical and technical applications of fullerenes and related materials." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360536.

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24

Shiraishi, Masashi. "Study on the basic properties of carbon nanotubes and fullerenes." 京都大学 (Kyoto University), 2003. http://hdl.handle.net/2433/149471.

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25

Droppa, Junior Roosevelt. "Síntese e caracterização de nanotubos e fulerenos nitrogenados gerados por arco elétrico." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277725.

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Orientador: Fernando Alvarez<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin<br>Made available in DSpace on 2018-08-04T02:14:03Z (GMT). No. of bitstreams: 1 DroppaJunior_Roosevelt_D.pdf: 3953569 bytes, checksum: 5a007bee5cd4c884e234f80f9cc54757 (MD5) Previous issue date: 2004<br>Resumo: A proposta deste trabalho é sintetizar e caracterizar química e estruturalmente nanotubos e fulerenos contendo nitrogênio. A síntese tanto das amostras de nanotubos como das amostras de fulerenos foi feita pela técnica de arco elétrico em atmosferas contendo nitrogên
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26

Troche, Karla Souza. "Estudo estrutural e eletrônico de fulerenos e diamondóides encapsulados em nanotubos de carbono." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277610.

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Orientador: Douglas Soares Galvão<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin<br>Made available in DSpace on 2018-08-10T00:38:23Z (GMT). No. of bitstreams: 1 Troche_KarlaSouza_D.pdf: 4475542 bytes, checksum: 174644e87f1d2a1a584c4b840a379b95 (MD5) Previous issue date: 2007<br>Resumo: Este trabalho apresenta o estudo teórico de nano-estruturas de carbono de interesse em nanociência. Ele envolve o estudo estrutural, eletrônico e mecânico de estruturas híbridas que são o resultado do encapsulamento de moléculas de carbono (em nosso caso: fulerenos e
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27

Brown, Gareth. "Structural studies of filled single-walled carbon nanotubes and inorganic fullerenes." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270283.

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28

Ge, Ling. "Theory and Modelling of Spin-qubit Interactions in Nanotubes and Fullerenes." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.504351.

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29

Xiao, Jiajia. "Study of factors affecting the synthesis of carbon nanotubes by spray pyrolysis." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2007. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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30

Lourenço, Leandro Miguel de Oliveira. "Phthalocyanines : interaction with carbon structures and as PDT agents." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13125.

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Doutoramento em Química<br>This dissertation describes the synthesis and characterization of different phthalocyanine (Pc) derivatives, as well as some porphyrins (Pors), for supramolecular interaction with different carbon nanostructures, to evaluate their potential application in electronic nanodevices. Likewise, it is also reported the preparation and biological evaluation of interesting phthalocyanine conjugates for cancer photodynamic therapy (PDT) and microorganisms photodynamic inactivation (PDI). The phthalonitrile precursors were prepared from commercial phthalonitriles by nuc
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31

Andersson, Claes-Henrik. "Chemistry of Carbon Nanostructures : Functionalization of Carbon Nanotubes and Synthesis of Organometallic Fullerene Derivatives." Doctoral thesis, Uppsala universitet, Fysikalisk-organisk kemi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-159315.

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This thesis is based on two main parts. The first part concerns purification and functionalization of carbon nanotubes (papers I-III), and the second part is related to the synthesis of organometallic fullerene derivatives (papers IV-VII): Two oxidative methods involving aqueous nitric acid were compared with respect to their capability to introduce carboxylic groups into single walled carbon nanotubes, and several literature methods for esterification and amidation of these groups have been evaluated with focus on efficiency and reproducibility in forming covalently functionalized products so
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32

Palser, Adam H. R. "Theoretical properties of carbon nanotubes." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365716.

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33

Habgood, Matthew. "Correlated electron models for spin-qubit interactions in fullerenes, nanotubes and nanowires." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496903.

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34

Rickling, Stéphane. "Synthèse et utilisation de nano-objets obtenus à partie de lipides photopolymérisables autour de nanotubes de carbone : Interactions entre tubuline et nanotubes de carbone ou fullerènes." Université Louis Pasteur (Strasbourg) (1971-2008), 2004. http://www.theses.fr/2004STR13017.

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35

Bodolec-Thurier, Marie-Laure. "Nouvelles organisations supramoléculaires à base de cyclopeptides." Paris 11, 2008. http://www.theses.fr/2008PA112292.

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Le but de ma thèse a été de réaliser de nouveaux composés hybrides constitués de nanotubes de carbone (ou fullerènes) et de nanotubes de peptides. L’approche choisie a consisté à greffer sur des nanotubes de carbone, ou dans un premier temps sur des fullerènes, via des bras espaceurs, des cyclopeptides «de type Ghadiri» conduisant aux nanotubes de peptides. Pour se faire, la synthèse de bras espaceurs a été nécessaire ainsi que leur fixation sur les nanotubes de carbones ou fullerènes. Les cyclopeptides sont constitués d’un nombre pair d’acides aminés (8) alternés D et L s’auto-assemblant en f
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36

Martínez, López Juan Pablo. "Reactivity of fullerenes, endohedral metallofullerenes, and nanotubes, and their possible application in solar energy conversion." Doctoral thesis, Universitat de Girona, 2016. http://hdl.handle.net/10803/398997.

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The physical and chemical properties of fullerenes and nanotubes can be conveniently tuned by the attachment of different functional groups to them. Therefore, the systematic understanding of different problems such as chemical reactivity, catalysis, and even charge transfer can be achieved. In the current thesis, these challenges are faced transcending in interesting outcomes. That is to say, the covalent junction between chemical species and carbon nanostructures are explained in detail, thus providing a characterization of the experimentally observed products. In a second part of the thesis
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37

Sugai, Toshiki, Hideki Omote, Shunji Bandow, Nobuo Tanaka, and Hisanori Shinohara. "Production of fullerenes and single-wall carbon nanotubes by high-temperature pulsed arc discharge." American Institute of Physics, 2000. http://hdl.handle.net/2237/7058.

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38

Rawcliffe, Adam. "The reactions of loaded carbon nanotubes studied by novel electron microscope techniques." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301258.

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39

Chaouachi, Hind. "Tectons polypédiques tridimensionnels à coeur fullerène pour l'élaboration de nanomatériaux de fonction." Université Louis Pasteur (Strasbourg) (1971-2008), 2008. http://www.theses.fr/2008STR13184.

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Dans ce travail, nous avons développé de nouveaux matériaux organiques à structure polypédique possédant le [60]Fullerène en tant que coeur tridimensionnel rigide. Nous avons synthétisé de nouveaux hexaadduits de [60]Fullerène avec de très bons rendements pour de telles molécules de haut poids moléculaire. En utilisant les méthodologies d’A. Hirsch et de B. Kraütler, nous avons ainsi préparé des hexaadduits de symétries différentes avec des rendement allant de 40 à 60%. Ces hexaadduits ont montré une auto-organisation mésomorphe de type nématique spéciale, non référencée dans la littérature et
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40

Derbal, Hassina. "Cellules solaires photovoltaïques plastiques nanostructurées." Angers, 2009. http://tel.archives-ouvertes.fr/tel-00592272.

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L'effet photovoltaïque est une des voies qui s'est significativement développée au cours des dernières années afin de trouver une alternative à la production d'énergies non-renouvelables. Afin de diminuer le coût de fabrication de ces dispositifs photovoltaïques, une solution consiste à remplacer le silicium par des matériaux organiques. Les cellules solaires organiques sont une technologie en pleine émergence qui ambitionne la fourniture de cellules solaires plus flexibles dans tous les sens du terme : mécanique, fabrication, propriétés électro-optiques. Un défi auquel la recherche est confro
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41

Amadou, Julien. "Synthèse de nanotubes de carbone par CVD : Caractérisations et applications en catalyse." Strasbourg 1, 2008. http://www.theses.fr/2008STR13168.

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42

Bodelec, Marie-Laure. "Nouvelles organisations supramoléculaires à base de cycloptides." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00447083.

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Le but de ma thèse a été de réaliser de nouveaux composés hybrides constitués de nanotubes de carbone (ou fullerènes) et de nanotubes de peptide. L'approche choisie a consisté à greffer sur des nanotubes de carbone, ou dans un premier temps sur des fullerènes, via des bras espaceurs, des cyclopeptides « de type Ghadiri» conduisant aux nanotubes de peptide. Pour se faire, la synthèse de bras espaceurs a été nécessaire ainsi que leur fixation sur les nanotubes de carbones ou fullerènes. Les cyclopeptides sont constitués d'un nombre pair d'acides aminés (8) alternés D et L s'auto-assemblant en fe
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43

Chorro, Matthieu. "Systèmes unidimensionnels de fullerènes C60 et C70 confinés dans les nanotubes de carbone : transformations structurales et dynamique." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00534766.

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Ce travail de thèse est consacré à l'étude des propriétés structurales et dynamiques, en fonction de la température et de la pression, des structures unidimensionnelles des fullerènes C60 et C70, respectivement de formes sphériques et ellipsoïdales, confinés dans les nanotubes de carbone. Ces nano-hybrides sont communément appelées peapods. La structure des peapods est étudiée à l'aide de la diffraction des rayons X et de la diffraction électronique. La simulation des diagrammes de diffraction permet de déterminer la structure des nanotubes de carbone (rayon moyen (0.7nm), distribution de rayo
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44

Ciornii, Dmitri. "Performance-oriented strategies for integration and wiring of the photosystem I inside 2D and 3D architectures and coupling photocatalysis with enzymatic catalysis." Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/21813.

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In der vorliegenden Arbeit sind unterschiedliche Kopplungsstrategien des natürlichen Photosystems I (PSI) aus Cyanobakterium Thermosynechococcus elongatus mit verschiedenen Elektrodenoberflächen sowie Interaktion mit Nanomaterialien und Enzymen bearbeitet worden. Zum einen wurde gezeigt, dass die Immobilisierung des PSI auf modifizierten mehr-wandigen Kohlenstoffnanoröhrchen zur funktionalen Photobiohybridelektrode führt. Dabei wurde das PSI mit der Elektrode elektrisch mit Hilfe eines Redoxproteins, Cytochrom c (cyt c), verknüpft. Das System (PSI-cyt c) wurde auch auf eine dreidimensionale E
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45

Ford, Ericka N. J. "Carbon nanotubes as structural templates within poly(vinyl alcohol) composite fibers." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45921.

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Because the gel-spinning process has the potential to yield fibers of high strength and high modulus, this technique was employed to process continuous filaments of PVA/CNT, having CNTs at ¡Ü1 weight percent of polymer. A gel aging technique was employed with the goal of increasing the draw ratio for composite fibers and for promoting the development of crystalline PVA. Since residual solvent can lower the mechanical properties of drawn fibers, solvent phases of water and dimethyl sulfoxide (DMSO) within the drawn fibers were also characterized. As embedded SWNTs were uniaxially aligned along
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46

Fugaciu, Florin. "Molekulardynamische Simulation der Stabilität und Transformation von Kohlenstoff-Nanoteilchen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2000. http://nbn-resolving.de/urn:nbn:de:swb:14-994153395343-03649.

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Ziel der Arbeit ist die theoretische Analyse von Kohlenstoff-Clustern der Größe 100 - 500 Atome. Die experimentellen Beobachtungen sind bei dieser geringen Anzahl der Atome schwierig. Anderseits sind Kenntnisse über solche Cluster sehr wichtig, z.B. für die Keimbildung von Diamant auf Substraten, oder für die Kohlenstoff-Nanotechnologie (Fullerene, Nanotubes), oder für strukturelle Defekte in Kohlenstoff-Systemen. Es wurden gekrümmte Grenzflächen im Diamant simuliert. Zuerst mit einem empirischen Potential. Es wurde danach eine Methode entwickelt, bei der die schwach gestörten Gebiete einem em
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47

Mizubayashi, J., J. Haruyama, I. Takesue, et al. "Anomalous Coulomb diamonds and power-law behavior sensitive to back-gate voltages in carbon nanoscale peapod quantum dots." American Physical Society, 2007. http://hdl.handle.net/2237/11306.

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48

Colomer, Jean-François. "Synthèse par voie catalytique et purification de nanotubes de carbone." Montpellier 2, 2000. http://www.theses.fr/2000MON20028.

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Ce travail a pour objectif de produire des nanotubes fullereniques, multi et mono-parois, par decomposition d'hydrocarbures sur des catalyseurs metalliques supportes. La synthese des nanotubes multiparois a ete realisee sur un catalyseur 2,5% co/nay. Les parametres de reaction ont ete optimises afin d'obtenir les nanotubes en quantite suffisante pour mettre au point une methode de purification efficace. Les rendements en nanotubes purs varient entre 27 et 40% selon la methode d'elimination des impuretes carbonees utilisee. La qualite des nanotubes synthetises et/ou purifies a ete verifiee par
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49

Fugaciu, Florin. "Molekulardynamische Simulation der Stabilität und Transformation von Kohlenstoff-Nanoteilchen." Doctoral thesis, Technische Universität Dresden, 1999. https://tud.qucosa.de/id/qucosa%3A24737.

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Ziel der Arbeit ist die theoretische Analyse von Kohlenstoff-Clustern der Größe 100 - 500 Atome. Die experimentellen Beobachtungen sind bei dieser geringen Anzahl der Atome schwierig. Anderseits sind Kenntnisse über solche Cluster sehr wichtig, z.B. für die Keimbildung von Diamant auf Substraten, oder für die Kohlenstoff-Nanotechnologie (Fullerene, Nanotubes), oder für strukturelle Defekte in Kohlenstoff-Systemen. Es wurden gekrümmte Grenzflächen im Diamant simuliert. Zuerst mit einem empirischen Potential. Es wurde danach eine Methode entwickelt, bei der die schwach gestörten Gebiete einem em
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50

Rossi, Emiliano. "Micro/Meso-Structured Reactors for Chemical Synthesis: Applications in Materials Science and Medicinal Chemistry." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422956.

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The research afforded during the present PhD project deals with the application of microfluidic technology for designing new synthetic methods. Compounds with potential applications in medicinal chemistry and material science were considered, with a focus on process suitability for large scale productions. In this optic, development and scaling up of a continuous flow process for safe handling of diazomethane to large scale was afforded. Such study was carried out during a period of three months spent at Corning European Technology Center (CETC) of Avon, France, and the results obtained were
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