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Auswahl der wissenschaftlichen Literatur zum Thema „Matériaux semi-conducteurs organiques“
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Dissertationen zum Thema "Matériaux semi-conducteurs organiques"
Bulut, Ibrahim. „Synthèse et caractérisation de matériaux semi-conducteurs pour la conversion photovoltaïque“. Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAE005/document.
Der volle Inhalt der QuelleThe aim of this thesis is to develop efficient semi-conducting organic materials for organic photovoltaics. This work is focuses on the optimization of electron-donor organic semiconductors for the preparation of bulk heterojunction devices, in blend with a fullerene derivative used as electron-acceptor material. More specifically, it is to perform a systematic optimization study of two reference families (macromolecular and molecular respectively) from the laboratory, which have already led to interesting photovoltaic performances. For this, we followed a structured and systematic approach targeting the most relevant chemical parameters to be varied. To determine the properties of new materials synthesized, spectroscopic, electrochemical, structural, charge transport and photovoltaic characterizations were systematically made
Ménard, Etienne. „Techniques d'impression et matériaux semi-conducteurs pour l'électronique plastique“. Paris 6, 2005. https://tel.archives-ouvertes.fr/tel-00351338.
Der volle Inhalt der QuellePereira, Marco. „Etude des propriétés électromécaniques de semi-conducteurs organiques“. Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0271/document.
Der volle Inhalt der QuelleThe public mind is aware of electronics drawbacks, the costs of development and production are important and the environmental impact can be denied. In order to solve those downsides, the organic electronics is studied and developed. This electronics have been introduced with the discovery of conductive polymers by the Nobel prices of chemistry from the year 2000, Alan J. Heeger, Alan G. MacDiarmid et Hideki Shirakawa. Since then, this technology has been widely developed and nowadays OLED (Organic Light Emitting Diode) screens as well as others devices like MEMS (Micro ElectroMechanical System), systems connecting electronics and mechanics, are commercialized. Those organic MEMS are more and more studied and developed due to a better flexibility of the organic semiconductors compared to the inorganic ones. However, even if the research on the polymer mechanics and semiconductor electronics is advanced, the electromechanical interaction of the organic semiconductors is poorly studied. Nevertheless, it is necessary to understand this interaction in order to develop the flexible electronics of tomorrow. Thus, this work has been focused on investigating the electromechanical interaction inside the organic semiconductors and developing tools/methods usable to study with ease new molecules. To better understand the electromechanical interaction between molecular structure and electrical response, the semiconductors are shaped into single crystals, in order to study a perfect molecular layout, without imperfections, in the three space dimensions. Hence, in the first instance, the influence of the molecular structure on the charge mobility was studied on rubrene. Even if is commonly assumed that the variation of the intermolecular distance causes the mobility changes inside rubrene, it turns out that this electrical variation is due to a reorganization of the molecules and variations of multiples inter/intramolecular parameters which modify the electronic coupling. In the second instance, the electromechanical response of air-gap transistors based on rubrene has been studied. In this more complicated systems, multiple parameters variate during the deflection. With the use of Gauge factor, it is possible to prove that the electromechanical response of those systems depends mainly on the mechanical and electrical modification of the interface electrodes/semiconductor. The high improvement of the electrical response of those air-gap transistors has been used to fabricate pressure sensors capable to detect forces as small as 230 nN. Finally, the methods developed during the previous works have been used to start the synthesis and characterization of hybrid perovskite transistors in order to study the electromechanical interaction of those emerging materials
Darchy, Léa. „Nanotubes de carbones semi-conducteurs pour cellules solaires organiques“. Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00919656.
Der volle Inhalt der QuellePagoaga, Bernard. „Synthèse de nouveaux matériaux semi-conducteurs dérivés du pérylène pour l'électronique organique“. Thesis, Reims, 2012. http://www.theses.fr/2012REIMS020/document.
Der volle Inhalt der QuelleThis study deals with the synthesis of perylene-3,4:9,10-tetracarboxylic acid bisimide derivatives and their use as semi-conductors for organic electronics, and more specifically for the realization of organic field-effect transistors. The goals of this study are the synthesis of perylene derivatives, using halogenation reactions or Suzuki-Miyaura coupling, and the fabrication of organic field-effect transistors.In the first part of the work, a wide variety of perylene derivatives has been obtained and fully characterized. Spectroscopic and electrochemical studies have been performed to determine energy levels of the frontier orbitals.In the second part, the making of organic field-effect transistors was realized, beginning with the research of optimal conditions for ink formulation, deposition and annealing of the film. Then those devices have been characterized by measuring the source-drain current.Keywords: semi-conductor, perylene, organic field-effect transistor, Suzuki-Miyaura coupling, ink jet printing
Sergent, Alessandra. „Métallopolymères des éléments f : nouveaux matériaux hybrides semi-conducteurs phosphorescents pour les diodes électroluminescentes organiques“. Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00840219.
Der volle Inhalt der QuelleMoreaud, Nathanae͏̈l. „Etude et caractérisations des : matériaux semi-conducteurs grand gap 3C-SiC/Si et hétérostructures GaAlN/GaN/GaAlN - matériaux hybrides monophase organiques-inorganiques“. Montpellier 2, 2000. http://www.theses.fr/2000MON20069.
Der volle Inhalt der QuelleBorniol, Mervyn de. „Photosensibilisation d'oxydes semi-conducteurs par des dérivés organostanniques du pérylène -3,4-dicarboximideApplication à la conversion photovoltaïque“. Bordeaux 1, 2006. http://www.theses.fr/2006BOR13310.
Der volle Inhalt der QuelleDiebold, Morgane. „Systèmes composites organogélateurs/polymères semi-conducteurs : de la preuve conceptuelle aux matériaux nanostructurés pour l'électronique plastique“. Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAE002.
Der volle Inhalt der QuelleImproving the performances of organic photovoltaic devices requires morphology control of the active layers. Highly nanostructured donor-acceptor bulk heterojunctions were prepared by heterogeneous nucleation of poly (3-hexylthiophene) (P3HT, donor) on naphthalene diimide organogelators fibers (NDI, acceptor). The first part of this work was dedicated to the self-assembly of NDI-core organogelators substituted by amide groups and trialkoxyphenyls dendrons. We evaluated the influence of the flexible chain between the naphthalene core and the amide groups (2 C-C bonds for NDI2 and 4 for NDI4) on the physico-chemical properties of the organogelators.The second part of this work focused on the polymorphism of NDI2 with identification of four different polymorphs with their optical, spectroscopic and structural signatures. A phase diagram of NDI2 in the solid state was determined. The last part of this manuscript concerns the fabrication of donor-acceptor nano-composites between NDI organogelators and P3HT. The formation process in solution of these nano-composites was analyzed by following the crystallization kinetics of P3HT by UV-Vis absorption spectroscopy and the thin film morphology (shish-kebab structures) by transmission electron microscopy. The nucleating effect of various organogelators on P3HT was demonstrated. Solar cells were made from the composites P3HT:PCBM : organogelator and their energetic conversion yield was shown to be increased in the presence of organogelators
Querner, Claudia. „Synthèse et caractérisation de matériaux hybrides organiques-inorganiques à base d'architecture π-conjuguées et de nanocristaux de semi-conducteurs II-VI“. Université Joseph Fourier (Grenoble), 2005. http://www.theses.fr/2005GRE10213.
Der volle Inhalt der QuelleThis work in devoted to the synthesis of organic-inorganic hybrid materials obtained by grafting of thiophene- or aniline-based oligo-/polymers on the surface of CdSe nanocrystals. The interaction between both components is assured by a carbodithioate anchor function on the organic ligands having a high affinity for the nancrystals' surface. There are two ways to perform the grafting : either by exchange of the nanocrystals' surface ligands with conjugated molecules, or by the post-functionalisation ofnanocrystals capped with bi-functionalligands containing the anchor group as weil as a reactive group, such as an aldehyde. The latter case is rather general and can be applied for a wide range of oligo-/polymers containing amine groups. Both components retain their electrochemical activity upon the grafting reaction. Spectroelectrochemical studies confirm that the doping of the conjugated capping molecules occurs via the same mechanisms as in the non-grafted molecules. The position of the energy levels of the ligands and the nanocrystals should allow a charge transfer upon photo-excitation, leading to an efficient quenching of the photoluminescence of the hybrid. Time-resolved PL measurements show a clear correlation between the conjugation length of the ligands and the transfer efficiency. Ln the case of aniline tetramer ligand no photoluminescence at ail is detectable indicating charge transfer on a timescale shorter than mesurable (5 ps). Therefore, the developed strategy for the grafting of polyconjugated molecules on the surface of semiconductor nanocrystals opens up the way to a new class of hybrid materials with a high potential for applications in solar cells
Bücher zum Thema "Matériaux semi-conducteurs organiques"
Introduction to Organic Electronic and Optoelectronic Materials and Devices, Second Edition. Taylor & Francis Group, 2016.
Den vollen Inhalt der Quelle findenFundamentals of Solid-State Lighting: LEDs, OLEDs, and Their Applications in Illumination and Displays. Taylor & Francis Group, 2014.
Den vollen Inhalt der Quelle findenKhanna, Vinod Kumar. Fundamentals of Solid-State Lighting: LEDs, OLEDs, and Their Applications in Illumination and Displays. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenKhanna, Vinod Kumar. Fundamentals of Solid-State Lighting: LEDs, OLEDs, and Their Applications in Illumination and Displays. Taylor & Francis Group, 2014.
Den vollen Inhalt der Quelle findenHigh Quality Liquid Crystal Displays and Smart Devices: Development, Display Applications and Components. Institution of Engineering & Technology, 2019.
Den vollen Inhalt der Quelle findenKobayashi, Shunsuke, Yasuhiro Ukai und Shoichi Ishihara. High Quality Liquid Crystal Displays and Smart Devices: Development, Display Applications and Components, Volume 1. Institution of Engineering & Technology, 2019.
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