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research papers on organic field effect transistors

Organic thin film transistor using a photo-curable organic/inorganic hybrid material as a gate dielectric

A polyhedral oligomeric silsesquioxane derivative (POSS-OXT) containing photo-curable 4-membered cyclic oxetane functional groups was used as a gate dielectric of organic field effect transistor. The POSS-OXT was cross-linked and completely solidified by UV irradiation in the presence of a selected photo acid generator, and pinhole free uniform thin film was obtained. We fabricated a metal/insulator/metal device of Au/POSS-OXT (300 nm)/Au with area of 0.7 mm 2 and the measured leakage current and capacitance of the device to evaluate the insulating properties of the POSS-OXT thin film. The maximum current was about 0.25 nA when 40 V was applied to the device. The observed values of the capacitance per unit area and dissipation factor were 11.4 nF/cm 2 and 0.025, respectively. We fabricated an organic thin film transistor with pentacene as the active semiconductor and the photo-cross-linked POSS-OXT as an insulator. A field effect carrier mobility of 0.03 cm 2/V-s was obtained with the device. Copyright © 2008 American Scientific Publishers All rights reserved.

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Adsorption of boron on Si(111): Physics, chemistry, and atomic-scale electronic devices

Ordering at diblock copolymer surfaces, experimental progress in molecule-surface dynamics.

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Solution-processible high-permittivity nanocomposite gate insulators for organic field-effect transistors

Profile image of Bernard Kippelen

2008, Applied Physics Letters

We report on solution-processible high permittivity nanocomposite gate insulators based on BaTiO3 nanoparticles, surface-modified with a phosphonic acid, in poly(4-vinylphenol) for organic field-effect transistors. The use of surface-modified BaTiO3 nanoparticles affords high quality nanocomposite thin films at large nanoparticle volume fractions (up to 37vol%) with a large capacitance density and a low leakage current (10−8A∕cm2). The fabricated pentacene field-effect transistors using these nanocomposites show a large on/off current ratio (Ion∕off 104–106) due to the high capacitance density and small leakage current of the gate insulator.

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  1. Schematic illustration of an organic field-effect transistor with

    research papers on organic field effect transistors

  2. (PDF) Ultra-low voltage organic field-effect transistors (OFETs)

    research papers on organic field effect transistors

  3. (a) Illustration of organic fieldeffect-transistor (OFET) memory

    research papers on organic field effect transistors

  4. (PDF) Organic Field-Effect Transistors by a Solvent Vapor Annealing Process

    research papers on organic field effect transistors

  5. (PDF) The Mechanism of Operation of Lateral and Vertical Organic Field

    research papers on organic field effect transistors

  6. (PDF) High-performance organic field-effect transistors based on single

    research papers on organic field effect transistors

VIDEO

  1. Introduction to Field Effect Transistors (FET JFET MOSFET) Part 1

  2. IETR

  3. Field Effect Transistor (DC-analysis part 3)

  4. Characterization steps of device for Organic field effect transistor (OFET) using Probe station

  5. Lec28 電子學(一) 第四章 MOS Field-Effect Transistors (MOSFETs)

  6. Lec22 電子學(一) 第四章 MOS Field-Effect Transistors (MOSFETs)

COMMENTS

  1. All-Organic, Low Voltage, Transparent and Compliant Organic Field

    The development of electronic devices with enhanced properties of transparency and conformability is of high interest for the development of novel applications in the field of bioelectronics and biomedical sensing. Here, a fabrication process for all organic Organic Field-Effect Transistors (OFETs) by means of large-area, cost-effective techniques such as inkjet printing and chemical vapor ...

  2. Enhancing Sensitivity in Gas Detection: Porous Structures in Organic

    Gas detection is crucial for detecting environmentally harmful gases. Organic field-effect transistor (OFET)-based gas sensors have attracted attention due to their promising performance and potential for integration into flexible and wearable devices. This review examines the operating mechanisms of OFET-based gas sensors and explores methods for improving sensitivity, with a focus on porous ...

  3. High-performance Organic Field-effect Transistors with Ionic Liquids

    Field-effect transistors (FETs) based on organic semi-conductors have been extensively investigated for the recent decade, in which realizing high-mobility, low-power, and fast-switching devices has been a central subject to take the best advantage of their simple and low-cost production processes.1）For this purpose, the

  4. Organic thin film transistor using a photo-curable organic/inorganic

    The observed values of the capacitance per unit area and dissipation factor were 11.4 nF/cm 2 and 0.025, respectively. We fabricated an organic thin film transistor with pentacene as the active semiconductor and the photo-cross-linked POSS-OXT as an insulator. A field effect carrier mobility of 0.03 cm 2/V-s was obtained with the device.

  5. PDF Amine Detection Using Organic Field Effect Transistor Gas Sensors

    electronics [3] with organic field effect transistors (OFETs) and organic light emitting diodes (OLEDs) being a fundamental electronic building blocks of organic electronic circuits. There has been much interest in utilizing organic semiconductors as gas sensors, due to perceived limitations and disadvantages of the currently available ...

  6. (PDF) Transparent organic field-effect transistors with polymeric

    Transparent organic field-effect transistors based on pentacene were fabricated on indium tin oxide (ITO)-coated glass using ITO as the gate electrode, Al2O3 grown by atomic layer deposition as the gate insulator, and an inkjet-printed conducting

  7. Asymmetric Pentacenes for Solution-Processed Organic Field-Effect

    Academia.edu is a platform for academics to share research papers. Asymmetric Pentacenes for Solution-Processed Organic Field-Effect Transistors ... Asymmetric Pentacenes for Solution-Processed Organic Field-Effect Transistors. Mohamad-Ali Tehfe. 2017, Current Smart Materials.

  8. (PDF) Low-voltage pentacene organic field-effect transistors with high

    Low-voltage pentacene organic field-effect transistors are demonstrated (operating voltage of −3 V) with high-κ hafnium dioxide gate dielectrics grown by atomic layer deposition at 200 °C. A high hole mobility of 0.39 cm2/V s with low threshold

  9. Organic field-effect transistors as radiation dosimeters in medical

    Controlling the amount of radiation that a cancer patient receives during treatment is critical to ensure the intended treatment outcome. In this work we use small molecule organic semiconductor devices as radiation sensors/dosimeters which have an effective Z close to that of human tissue. Solution processing provides excellent opportunities for scalability on flexible substrates, allowing ...

  10. Organic electrochemical transistors: Scientists solve chemical mystery

    More information: Jiajie Guo et al, Understanding asymmetric switching times in accumulation mode organic electrochemical transistors, Nature Materials (2024). DOI: 10.1038/s41563-024-01875-3 ...

  11. (PDF) Solution-processible high-permittivity nanocomposite gate

    We report on solution-processible high permittivity nanocomposite gate insulators based on BaTiO3 nanoparticles, surface-modified with a phosphonic acid, in poly(4-vinylphenol) for organic field-effect transistors. The use of surface-modified BaTiO3

  12. PDF Organic electrochemical transistors: Scientists solve chemical mystery

    0.1 M KCl electrolyte and 0.1 M KTFSI electrolyte, respectively. Credit: Nature Materials (2024). DOI: 10.1038/s41563-024-01875-3 Researchers who want to bridge the divide between biology and