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 20 for “"Organic Thin-Film Transistors"”.
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All-Inkjet-Printed Low-Voltage Organic Thin-Film Transistors
… development of all-inkjet-printed low-voltage organic thin-film transistors. Organic thin-film transistors (OTFTs), taking advantage of low-temperature printability, mechanical flexibility, and multi-functionality, are promising for a wide range of emerging applications such as wearable …
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Enhancement of field-effect mobility of organic thin film transistors.
Enhancement of field-effect mobility of organic thin film transistors.
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The bias-stress effect in pentacene organic thin-film transistors
Organic thin-film transistors (OTFTs) are promising for flexible large-area electronics. However, the bias-stress effect (BSE) in OTFTs causes operational instability that limits the usefulness of the OTFT technology in a wide range of circuit applications. Currently, most existing studies on OTFT …
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The Integration and Applications of Organic Thin Film Transistors and Ferroelectric Polymers
Organic thin film transistors and ferroelectric polymer (polyvinylidene difluoride) sheet material are integrated to form various sensors for stress/strain, acoustic wave, and Infrared (heat) sensing applications. Different from silicon-based transistors, organic thin film transistors can be …
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Flexible and solution-processed organic thin film transistors for high voltage applications
… and pentacene high-voltage organic thin film transistors (HVOTFTs) were fabricated on solid and flexible substrates via a low temperature (< 120 °C) solution-processed and vacuum-deposited fabrication methods, achieving breakdown voltages and on/off current ratios beyond -550 …
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An Arduino-controlled bioreactor for stimulation and in situ pH monitoring of cell cultures with Organic Thin Film Transistors
L'abstract è presente nell'allegato / the abstract is in the attachment
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Fabrication and application of a novel four-terminal hybrid organic/inorganic field-effect transistor for volatile organic compounds sensing
The potential application of a novel hybrid organic/inorganic volatile organic compounds sensor for commercialization and scientific research is presented. This sensor can operate both in the commonly used ‘organic thin-film transistor’ (OTFT) and ‘chemical field-effect transistor’ (CHEMFET) …
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Chemical and biological sensors based on organic semiconductors
… two types of sensors: chemical sensors based on organic thin film transistors, and a miniaturized surface plasmon resonance biosensors for biotechnology and medical diagnostics applications. During completion of my research projects I designed and optimized several device architectures using …
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Chemo and biodetection in liquid with organic transistor
… and biological species in liquids by using organic transistor technology. One device, which is named Organic Charge Modulated Field E�ect Transistor (OCMFET), is a charge sensor which was tested as pH and DNA sensor. The other device is an Organic Electrochemical Transistor (OECT) entirely …
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Organic Semiconducing Thin Films: Device Applications and Beyond
Organic semiconductors show great promise for device applications, particularly as organic thin film transistors (OTFTs) and organic photovoltaics (OPVs), due to their potential for low cost, high volume fabrication when compared to traditional inorganic semiconductors. While the performance of …
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Influence of Structural Disorder on Charge Transport and Stability in Organic Field-Effect Transistors with Molecular Semiconductors
Organic semiconductors (OSCs) are distinguished by the soft van der Waals interactions among π-conjugated moieties, garnering substantial interest for potential use in large-area and flexible electronics due to their inherent lightweight, versatile processing capabilities, and compatibility with …
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Towards cheap, portable and reliable OFET-based biochemical sensors
Over the past two decades, organic thin-film transistors (OTFTs) have been extensively investigated for biochemical sensing applications: from ion-sensitive devices to enzymatic, immunological, and genetic sensors. In this field, largely driven by the demand for low-cost, disposable devices …
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An organic thin-film transistor circuit for large-area temperature-sensing
This thesis explores the application of organic thin-film transistors (OTFTs) for temperature-sensing. The goal of this work is twofold: the understanding of the OTFT's electrical characteristics' temperature dependence, and the creation of OTFT temperature-sensing circuits. We find that OTFTs have …
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Molekulinių spinduolių optimizacija naujos kartos organiniams šviestukams /
Currently, organic electronics is one of the most developing technologies of semiconductor devices. This direction is rapidly expanding due to the constant molecular engineering of novel organic compounds and advances in device technology. Currently, organic materials are used in organic …
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Optimization of molecular emitters for new generation OLEDs /
Currently, organic electronics is one of the most developing technologies of semiconductor devices. This direction is rapidly expanding due to the constant molecular engineering of novel organic compounds and advances in device technology. Currently, organic materials are used in organic …
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Pentacene integrated thin-film transistors and circuits
Organic semiconductors offer the potential of large-area, mechanically flexible electronics due to their low processing temperatures. We have developed a near-room-temperature (< 95°C) process flow to fabricate pentacene integrated organic thin-film transistors (OTFTs) compatible with plastic …
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Low-voltage organic transistors with high transconductance
… thesis presents the development of low-voltage organic thin-film transistors with high transconductance. This was achieved by employing ultra-thin bi-layer gate dielectric consisting of aluminium oxide (AlOx) and a self-assembled monolayer of octadecyl phosphonic acid (C18PA) and by increasing …
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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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Stability of polarization in organic ferroelectric metal-insulator-semiconductor structures
Organic thin film transistors (TFT) are an attractive option for low cost electronic applications and may be used for active matrix displays and for RFID applications. To extend the range of applications there is a need to develop and optimise the performance of non-volatile memory devices that are …
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INTERFACE EFFECTS ON NANOELECTRONICS
… determination of how surfaces and interfaces in organic nanoelectronic devices affect properties such as charge transport, electronic structure, and material fluctuations. Si/SiO<sub>2</sub> is a model gate/gate dielectric for organic thin film transistors, therefore proper characterization and …