摘要:
Disclosed is a method for forming banks during the fabrication of electronic devices incorporating an organic semiconductor material that includes preparing an aqueous coating composition having at least a water-soluble polymer, a UV curing agent and a water-soluble fluorine compound. This coating composition is applied to a substrate, exposed using UV radiation and then developed using an aqueous developing composition to form the bank pattern. Because the coating composition can be developed using an aqueous composition rather than an organic solvent or solvent system, the method tends to preserve the integrity of other organic structures present on the substrate. Further, the incorporation of the fluorine compound in the aqueous solution provides a degree of control over the contact angles exhibited on the surface of the bank pattern and thereby can avoid or reduce subsequent surface treatments.
摘要:
A method of fabricating a thin film transistor, in which source and drain electrodes are formed through a solution process, even all stages which include formation of electrodes on a substrate, formation of an insulator layer, and formation of an organic semiconductor layer are conducted through the solution process. In the method, the fabrication is simplified and a fabrication cost is reduced. It is possible to apply the organic thin film transistor to integrated circuits requiring high speed switching because of high charge mobility.
摘要:
A method for fabricating an organic thin film transistor by application of an electric field. The method includes the steps of fabricating a common organic thin film transistor including a gate electrode, a gate insulating layer, an organic semiconductor layer and source/drain electrodes laminated on a substrate, and applying a direct current (DC) voltage to between the source and drain electrodes and applying an alternating current (AC) voltage to the gate electrode. The characteristics of an organic thin film transistor deteriorated after lamination of the respective layers can be recovered by the simple treatment. Therefore, the OTFT fabricated by the method has low threshold voltage, low driving voltage, high charge carrier mobility, and high Ion/Ioff ratio.
摘要:
A method of fabricating a thin film transistor, in which source and drain electrodes are formed through a solution process, even all stages which include formation of electrodes on a substrate, formation of an insulator layer, and formation of an organic semiconductor layer are conducted through the solution process. In the method, the fabrication is simplified and a fabrication cost is reduced. It is possible to apply the organic thin film transistor to integrated circuits requiring high speed switching because of high charge mobility.
摘要:
Disclosed is an organic thin film transistor, including a substrate, a gate electrode, a gate insulating layer, an organic semiconductor layer, and source/drain electrodes, in which a fluorine-based polymer thin film is provided between the source/drain electrodes and the organic semiconductor layer. A method of fabricating such an organic thin film transistor is also provided. According to example embodiments, the organic thin film transistor may have increased charge mobility and an Ion/Ioff ratio, due to decreased contact resistance between the source/drain electrodes and the organic semiconductor layer. Moreover, upon the formation of the organic semiconductor layer and insulating film, a wet process may be more easily applied, thus simplifying the fabrication process and decreasing the fabrication cost.
摘要:
An organic thin film transistor (OTFT) comprising a gate electrode, a gate insulating film, an organic active layer and a source/drain electrode, or a gate electrode, a gate insulating film, a source/drain electrode and an organic active layer, sequentially formed on a substrate, wherein the gate insulating film is a multi-layered insulator comprising a first layer of a high dielectric material and a second layer of an insulating organic polymer compatible with the organic active layer, the second layer being positioned directly under the organic active layer. The OTFT of the present invention shows low threshold and driving voltages, high charge mobility, and high Ion/Ioff, and it can be prepared by a wet process.
摘要:
Disclosed herein is a functionalized metal nanoparticle, a buffer layer including the functionalized metal nanoparticle, and an electronic device including the buffer layer. The buffer layer including the functionalized metal nanoparticle according to example embodiments may improve the injection of electrons or holes and the charge mobility between layers in the electronic device, may form ohmic contacts, and may improve the selectivity between electrodes and the buffer layer at the time of forming the buffer layer on the electrodes, thereby improving the efficiency of the electronic device.
摘要:
Disclosed is a method for forming banks during the fabrication of electronic devices incorporating an organic semiconductor material that includes preparing an aqueous coating composition having at least a water-soluble polymer, a UV curing agent and a water-soluble fluorine compound. This coating composition is applied to a substrate, exposed using UV radiation and then developed using an aqueous developing composition to form the bank pattern. Because the coating composition can be developed using an aqueous composition rather than an organic solvent or solvent system, the method tends to preserve the integrity of other organic structures present on the substrate. Further, the incorporation of the fluorine compound in the aqueous solution provides a degree of control over the contact angles exhibited on the surface of the bank pattern and thereby can avoid or reduce subsequent surface treatments.
摘要:
Disclosed herein is a composition including a perfluoropolyether derivative, a photosensitive polymer or a copolymer thereof, and a photocuring agent, a passivation layer, organic thin film transistor, and electronic device including the same, a method of forming the passivation layer and methods of fabricating the organic thin film transistor and electronic device. The organic thin film transistor may prevent or reduce oxygen and moisture from infiltrating thereinto, and thus may prevent or reduce the degradation of the performance thereof caused by ambient air, prevent or reduce the deterioration thereof, and may more easily be formed into a pattern, thereby exhibiting characteristics suitable for use in electronics.
摘要:
Disclosed are methods of fabricating organic thin film transistors composed of a substrate, a gate electrode, a gate insulating film, metal oxide source/drain electrodes, and an organic semiconductor layer. The methods include applying a sufficient quantity of a self-assembled monolayer compound containing a live ion to the surfaces of the metal oxide electrodes to form a self-assembled monolayer. The presence of the live ion at the interface between the metal oxide electrodes and the organic semiconductor layer modifies the relative work function of these materials. Further, the presence of the self-assembled monolayer on the gate insulating film tends to reduce hysteresis. Accordingly, organic thin film transistors fabricated in accord with the example embodiments tend to exhibit improved charge mobility, improved gate insulating film properties and decreased hysteresis associated with the organic insulator.