Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 57 for “"organic electronic"”.
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Pentacene Based Organic Electronic Devices
This thesis describes a study of pentacene-based organic electronic devices with poly(methyl methacrylate) (PMMA) and cross-linked PMMA (cPMMA) gate dielectrics. The electrical characteristics of pentacene-based organic thin-film transistors (OTFTs) using PMMA as the gate dielectric are reported. …
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Optical modeling of organic electronic devices
Organic materials, with their superior photoluminescence and absorbance properties have revolutionized the technologies for displays and solar energy conversion. Due to the large transition dipoles, the localization of excited states or excitons in organic materials necessitates optical models that …
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Triplet Exciton Management in Organic Electronic Devices
To date optoelectronic devices have been dominated by inorganic semiconductors such as silicon and gallium nitride. However organic semiconductors have many potential advantages and have shown significant research progress in both organic light-emitting diodes and organic photovoltaics. …
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Theory and simulation of amorphous organic electronic devices
The electronic properties of amorphous organic thin films are of great interest due to their application in devices such as light emitting devices, solar cells, photodetectors, and lasers. Compared to conventional inorganic semiconductors, amorphous organic thin films have the potential to enable …
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Density-functional theory and beyond for organic electronic materials
Organische Elektronik ist ein agiles industrielles und auch akademisches Forschungsgebiet, das sich zum Ziel gesetzt hat, einfach zu erzeugende, kostengünstige sowie biegbare (opto-)elektronische Bauteile zu entwickeln. Allerdings öffnet die Anwendung der Dichtefunktionaltheorie (DFT) mit …
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ORGANIC ELECTRONIC TRANSISTORS AND MICROFLUIDICS FOR CANCER BIOMARKER SENSING
… thesis, a biosensor based on Electrolyte-Gated Organic Field-Effect Transistor (EGOFET) is presented. A dual Gate/common Channel architecture was designed and prototyped for quantifying the concentration of one of the strands of miRNA-21 in saline buffer. The organic electronic device allows one …
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Inkjet printing: technique and applications for organic electronic devices
… in 1977 by Shirakawa,MacDiarmid and Heeger, Organic Electronics has been growing and establishing for a new generation of electronic devices. On one hand, the unique properties of polymeric semiconductors and conductors, such as flexibility and transparency, allow the fabrication of low-cost …
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Single-crystal growth of organic semiconductors and organic electronic applications
This thesis describes single crystal growth of organic semiconductors and their applications in organic electronics. In Chapter 2, a self-assembled monolayer of C60 derivatives with five carboxylic acids was employed to make C60 thin-film transistors. The highly-crystalline C60 monolayer enabled …
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Automated chemical synthesis for accelerated discovery of organic electronic materials
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-08-01
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Charge Transport in Organic Electronic Devices: From Nano to Macro-Scale
The electrical properties of devices based on an organic compound result from the structure of the molecules, their solid-state packing, efficiency of charge injection from the electrodes, and the fabrication procedures. The length scales of interest can also vary widely, ranging from a few …
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Novel Semiconductor Block Copolymers for Organic Electronic Devices: Synthesis, Properties and Applications
Diese Arbeit beschreibt die Synthese und Charakterisierung von neuartigen, maßgeschneiderten Donor-Akzeptor (D-A) Blockcopolymeren mit elektronisch funktionellen Blöcken, sowie deren Anwendung in organischen Feldeffekttransistoren und organischen Solarzellen. Die hergestellten D-A Blockcopolymere …
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Small molecules based on novel electron-deficient acceptor units for organic electronic applications
… the associated harmful environmental effects. Organic photovoltaic devices offer a light and flexible alternative to Si-based PVs. In addition to this, they can be processed using fabrication methods such as spin-coating and inkjet printing hence, such devices have potential to be produced …
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Charge transport and spectroscopic analysis of high-mobility molecular semiconductors
Small molecule organic semiconductors have been at the heart of charge transport studies in organic electronic materials over recent decades. Their ordered structures have played a pivotal role in the development of novel theories elucidating the charge transport phenomena and in the advancement of …
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Synthesis of fluoromodified carbon rich electron acceptors and exploration of their structural, electronic, and device properties
The electronic and structural characterization of fluoro-modified carbon-rich compounds is critical to the successful implementation of these materials by physicists, biochemists, materials scientists, medicinal chemists, and most significantly for this work, organic electronics chemists. By adding …
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Functional heterointerfaces via electromodulation spectroscopy
Functional heterojunctions in organic electronic devices are interfaces formed either between a conducting electrode and an organic semiconductor or between two different organic semiconductors in blended and multilayered structures. This thesis is primarily concerned with the energy level …
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Altering the Crystal Packing of Boronsubphthalocyanine Derivatives through Molecular Engineering
… of BsubPc derivatives, and none are ideal for organic electronic applications according to the criteria we defined for evaluation: having a continuous pathway for charge-carrier conduction in the solid-state, resistance to hydrolysis, good electrochemical and optical properties, and possession …
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Alkynylated acenothiadiazoles and N-heteroacenes: synthesis, functionalization, and study of the optical properties for optoelectronic and sensory materials
For organic electronic device applications materials are needed which display good charge carrier mobility, good processability, and stability towards oxygen and moisture. Alkynylated N-Heteroacenes fulfill many of these requirements. Substitution with alkyne groups as well as the introduction of …
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Polymers for electronics and chemical sensing applications
… such types of functionality for emerging electronics and chemical sensing applications. In Chapter 1, we present a general introduction to organic electronic materials and chemical sensory technologies. This chapter introduces many of the important principles that are explored throughout …
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Novel reactions of a neutral organic reductant : reductive coupling and nanoparticle synthesis
A recently developed bis-pyridinylidene neutral organic electron donor captured our interest as a potential source of new chemistries for reductive coupling and the synthesis of group IV nanoparticles. This super electron donor was used as a co-reductant for nickel-catalyzed reductive coupling of …
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