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Relevant bibliographies by topics / Graphene - Photocatalysis

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Dissertations / Theses

Academic literature on the topic 'Graphene - Photocatalysis'

Author: Grafiati

Published: 7 September 2023

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Dissertations / Theses on the topic "Graphene - Photocatalysis"

1

Chalangar, Ebrahim. "Graphene-based nanocomposites for electronics and photocatalysis." Licentiate thesis, Linköpings universitet, Fysik, elektroteknik och matematik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-157095.

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The development of future electronics depends on the availability of suitable functional materials. Printed electronics, for example, relies on access to highly conductive, inexpensive and printable materials, while strong light absorption and low carrier recombination rates are demanded in photocatalysis industry. Despite all efforts to develop new materials, it still remains a challenge to have all the desirable aspects in a single material. One possible route towards novel functional materials, with improved and unprecedented physical properties, is to form composites of different selected

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2

Sass, Danielle. "Nano silver-Iron-reduced graphene oxide modified titanium dioxide photocatalyst for the remediation of Organic dye in water systems." University of the Western Cape, 2018. http://hdl.handle.net/11394/6274.

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Magister Scientiae - MSc (Chemistry)<br>Drinking water with high concentrations of inorganic and organic contaminants can cause adverse health defects. Specifically methyl orange dye is an organic water contaminant that has been known (along with others like methyl blue etc.) to have an increase in our water systems over the past few years due to increasing demand in industrial processes. It is therefore of utmost importance to remediate organic contaminants and ultimately enable prevention. The contaminants can be removed by photocatalysis. Anatase TiO2 is known for its photocatalytic d

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3

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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4

Tomarchio, Flavia. "Nanomaterials-based inks for flexible electronics, energy and photocatalytic applications." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/275888.

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Due to the combination of their electronic, optical and mechanical properties, graphene and other layered materials (GRMs) have great potential for applications such as flexible optoelectronics and energy storage. Given that GRMs can be dispersed in solvents, solution processing is a particularly interesting approach that allows large volume production with tailored properties according to the targeted applications. \par In this dissertation I investigate liquid phase exfoliation and formulation of GRMs-based inks for flexible (opto) electronics, energy and photocatalysis. First I develop a pr

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5

Sass, Danielle Thandi. "Nano silver-iron-reduced graphene oxide modified titanium dioxide photocatalyst for the remediation of organic dye in water systems." University of the Western Cape, 2018. http://hdl.handle.net/11394/6410.

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Magister Scientiae - MSc (Chemistry)<br>Drinking water with high concentrations of inorganic and organic contaminants can cause adverse health defects. Specifically methyl orange dye is an organic water contaminant that has been known (along with others like methyl blue etc.) to have an increase in our water systems over the past few years due to increasing demand in industrial processes. It is therefore of utmost importance to remediate organic contaminants and ultimately enable prevention. The contaminants can be removed by photocatalysis. Anatase TiO2 is known for its photocatalytic d

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6

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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7

Moussa, Hatem. "Influence de l’association de quantum dots ZnO avec des ions Cu²+ sur leur (photo)toxicité. Nouveaux matériaux ZnO/rGO pour la photocatalyse solaire." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0036/document.

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Ces dernières années, les énormes progrès réalisés en nanotechnologie ainsi qu’en science des matériaux ont conduit à la préparation de nombreuses nouvelles nanoparticules sans réellement connaître l’ensemble des propriétés associées à leurs dimensions. La première partie de notre travail vise à évaluer les risques et les problèmes associés aux nanomatériaux, en termes de toxicité, en utilisant des nanoparticules de ZnO. Nous avons tout d’abord étudié la capacité de ces nanoparticules à générer des espèces réactives d’oxygènes (EROs) sous irradiation UV en utilisant trois types des quantum dot

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8

Nasr, Maryline. "Elaboration of oxides membranes by electrospinning for photocatalytic applications." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT210/document.

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De nos jours, les produits chimiques toxiques industriels ne sont pas toujours traités proprement, et leurs contaminants peuvent directement affecter la sécurité de l'eau potable. La photocatalyse, «une technologie verte» est une approche efficace et économique qui joue un rôle important dans la conversion de l'énergie solaire et la dégradation des polluants organiques. Ce manuscrit de thèse rapporte sur le développement des matériaux avancés (basés sur TiO2 et ZnO) susceptibles d'exploiter l'énergie solaire renouvelable pour résoudre les problèmes de pollution environnementale. Une partie de

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9

Herring, Natalie. "Formation Mechanisms and Photocatalytic Properties of ZnO-Based Nanomaterials." VCU Scholars Compass, 2013. http://scholarscompass.vcu.edu/etd/494.

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Zinc Oxide (ZnO) is one of the most extensively studied semiconductors because of its unique properties, namely, its wide band gap (3.37 eV) and high excitation binding energy (60 meV). These properties make ZnO a promising material for uses in a broad range of applications including sensors, catalysis and optoelectronic devices. The presented research covers a broad spectrum of these interesting nanomaterials, from their synthesis and characterization to their use as photocatalyts. A new synthetic approach for producing morphology controlled ZnO nanostructures was developed using microwave i

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10

He, Jijiang. "Preparation and photocatalysis of graphite carbon nitride based photocatalysts." Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/521.

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The connection between ritual and the interior is interrogated through a theoretical framework integrating Van Gennep’s Rites of Passage Theory and Turner’s Theory of Liminality. A multi-faceted methodological framework is developed from the interrogation of the disciplinary edges of multiple methodologies, addressing the experiential, cultural and subjective dimensions of ritual. This new way of exploring the interior demonstrates how knowledge can be acquired from the body’s immersion in unfolding ritual situations, revealing elements of ritual and interior in relation to one another and the

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