244 results about "Organic crystal" patented technology

The present invention belongs to the field of polymer material technology, and is especially one kind of modified polypropylene material comprising at least polymer base, strengthening agent and toughening agent. The polymer base may be polypropylene or polypropylene composition; the strengthening agent is inorganic or organic matter with great aspect ratio, such as inorganic or organic crystal whisker, fiber, mica, etc; and the toughening agent may be polypropylene beta-nucleater, rubber elastomer, etc. The modified polypropylene material has high strength, high toughness, etc and may be applied widely in automobile, pipeline, electric appliance and other fields.

Crystalline non-linear optical films for nonlinear-optics applications are provided. One such crystalline non-linear optical film includes a substrate and an alignment layer material disposed on said substrate. The alignment layer includes elongated polymeric molecules aligned in a substantially uniaxial direction. Further, at least one non-linear optical material is disposed on the alignment layer.

To provide a lactic acid polymer composition excellent in transparency, heat resistance and productivity, a molded article, a sheet and a multilayer sheet each of which comprises the composition, a thermoformed article obtained by secondary-forming the sheet or the multilayer sheet, and a process for producing the thermoformed article with excellent productivity. The lactic acid polymer composition of the invention comprises 100 parts by weight of a lactic acid polymer (A), 0.1 to 3 parts by weight of an organic crystal nucleating agent (B) comprising an aliphatic carboxylic acid amide having an amide bond, and 0.1 to 7 parts by weight of a crystallization accelerator (C). The thermoformed article of the invention is obtained with excellent production efficiency by thermoforming the sheet comprising the composition of the invention at a temperature of 60 to 130° C.

An active region or channel for printed, organic or plastic electronics or polymer semiconductors, such as organic field-effect transistors (OFETs), is obtained by using an enhanced inkjet drop-cast printing technique. A two-liquid system is employed to achieve the direct growth of well-oriented organic crystals at the active region of channel. High-performance electrical properties exhibiting high carrier mobility and low threshold voltage are obtained due to the proper orientation of molecules in the grown crystal in a highest mobility direction, due to the absence of grain boundaries, and due to low trap densities. The hydrophobic-hydrophilic interactions between the liquids utilized, which results in the fabrication of low-cost and mass-producible printable electronic devices for applications in flexible displays, electronic signages, photovoltaic panels, membrane keyboards, radio frequency identification tags (RFIDs), electronic sensors, and integrated electronic circuits.

An organic transistor including a stacked insulating film in which an insulating layer and a wettability control layer are stacked in order is provided, wherein the wettability control layer includes a material whose surface energy can be changed by irradiation with an ultraviolet ray and a transmittance of the ultraviolet ray for irradiation therethrough is 10% or greater.

It is an object to provide an element structure in which defects are not easily generated and a semiconductor device that has the element. An element has a structure in which a layer containing an organic compound is interposed between a pair of electrode layers of a first electrode layer and a second electrode layer. At least one of the pair of the electrode layers has a Young's modulus of 7.5×10¹⁰ N/m² or less. A layer containing an organic compound is formed using an organic compound appropriate to usage of an element to be formed, and a memory element, a light-emitting element, a piezoelectric element, or an organic transistor element is formed.

The present invention provides an organic semiconductor composite containing a certain thiophene compound and carbon nanotubes, which can be formed into a film by a coating process such as an inkjet process, has high charge mobility and can maintain a high on/off ratio even in air, an organic transistor material and an organic field effect transistor.

The invention relates to an organic semiconductor material with a high carrier mobility, which is capable of obtaining favorable semiconductor characteristics when used in an organic semiconductor device, and an organic transistor using the same. More specifically, the present invention has a following structure including an oligothiophene part and a connecting part G;

where, R₁ and R₂ are a hydrogen, a alkyl group, an alkoxy group, an aryl group, or an alkenyl group, R₁ and R₂ may be identical or different from each other, and where n is an integer. In the organic semiconductor material, the structure of the connecting part G may be any of the following:

where, R₃ and R₄ are a hydrogen, an alkyl group, an alkoxy group, an aryl group, or a alkenyl group, R₃ and R₄ may be identical or different from each other, and where n is an integer of 1 to 3.

The invention relates to the technical field of real-time quantitative test and analysis of a surface microstructure in the process of crystal growth by a solution method in the 3-D direction and belongs to a method of real-time observation of water-soluble crystal and organic crystal growing surface microstructures by adopting a laser digital phase-shifting interferometer system device. The invention is characterized in that a Fizeau interferometer is introduced into an interference light path; one of two reference plane mirrors in the Fizeau interferometer is replaced by a growing crystal surface so as to ensure laser reflected by the reference plane mirrors and the growing crystal surface to interfere so as to lead interference fringes to contain information of the crystal growing surface; phase shifting interferometry is applied to extract the information of the crystal growing surface structure and then contour maps and three dimensional perspective images of the crystal growing surface are obtained by computation and analysis of computer software to realize real-time observation. The method has simple and reliable working principle, high degree of automation of used equipment, good real-time observation effect and strong image intuition, which particularly can convert the process of crystal growth to display information in omni direction.

A device having an organic transistor device integrated with an organic light-emitting diode's heterojunctions. This device at least comprises: a transparent substrate, an organic transistor and an organic light-emitting diode. The organic transistor at least includes an organic semiconductor layer, one of the organic semiconductor layers serves as the organic active layer of the organic light-emitting diode, and the organic active layer and the other organic semiconductor layers form heterojunctions. The present invention uses the organic semiconductor layer to simultaneously form the organic active layer of the organic transistor, so that the organic light-emitting diode and the organic transistor can be easily integrated together so as to solve the problem of the poor luminance efficiency of a conventional integrated organic transistor and organic light-emitting diode and the problem of its high manufacturing cost.

A method of producing an organic transistor which can form directly an organic semiconductor layer in pattern by simple processes and can produce an organic transistor excellent in transistor characteristics. The method includes: forming a hydrophobic/hydrophilic pattern substrate, in which a hydrophobic/hydrophilic pattern substrate is formed by using a hydrophobic substrate and by forming the hydrophilic region in pattern on the hydrophobic surface; forming a lyophilic functional layer, in which a lyophilic functional layer, made of an insulating functional material having the predetermined characteristics and having higher lyophilic properties to an organic solvent than that of the hydrophobic region, is formed on the hydrophilic region; forming an organic semiconductor layer, in which an organic semiconductor layer is formed on the lyophilic functional layer by selectively coating a coating solution for forming an organic semiconductor layer, which has an organic semiconductor material and an organic solvent, to the lyophilic functional layer.

This invention provides a vertical organic transistor that can realize large current modulation and a reduction in production cost, and a method for manufacturing the vertical organic transistor. The vertical organic transistor comprises an upper electrode, a lower electrode, an organic semiconductor provided between both the electrodes, and an intermediate electrode provided within the organic semiconductor, the intermediate electrode being a layered continuous body comprising a continuous insulating metal compound and particulate metals distributed within the insulating metal compound.

An organic semiconductor crystalline film and weak oriented epitaxy growth preparation method thereof. The organic semiconductor crystalline film is a n-type semiconductor or a p-type semiconductor, and organic semiconductor crystal molecules in the organic semiconductor crystalline film are oriented in a stand-up manner on the ordered substrate, and have an oriented relationship with the ordered substrate. The organic semiconductor crystalline film prepared by the present invention is useful for organic transistor and organic phototransistor devices. The method of the present invention can control the high carrier mobility direction of organic semiconductor crystals to have ordered orientation in the film, enhance contacts between crystals, improve mechanical strength and micro-machining property of the film, and give a high carrier mobility. The carrier mobility of weak oriented epitaxially grown film of the present invention is 0.32 cm²/Vs, which is 5 times as large as that of a vapor phase deposited film, and is similar to that of single crystal. The present invention is adapted to glass substrates and plastic substrates.

It is an object of the present invention, in a case of using a conductive material as part of an electrode for an organic transistor, to provide an organic transistor having a structure whose characteristics are not controlled by the work function of the conductive material. Moreover, it is other objects of the present invention to provide an organic transistor having favorable carrier mobility and to provide an organic transistor which is excellent in durability. A composite layer containing an organic compound and an inorganic material is used for an electrode for an organic field effect transistor, that is, at least part of one of a source electrode and a drain electrode in the organic field effect transistor.

The invention discloses an alpha-calcium sulfate hemihydrate/hydroxyapatite composite granule with a nuclear shell structure and preparation thereof. The composite granule has a microstructure in which the hydroxyapatite wraps the alpha-calcium sulfate hemihydrate. The preparation method comprises the steps of: using deionized water as a solvent, dissolving a proper dosage of organic crystal modifier and inorganic salt crystal modifier, adding calcium sulfate dehydrate and hydroxyapatite, and performing hydrothermal synthesis under certain technical parameters. According to the invention, the alpha-calcium sulfate hemihydrate and the hydroxyapatite are compounded in the microstructure so as to adjust the quick consolidation defect of pure alpha-calcium sulfate hemihydrate to improve the injection performance thereof, and a microstructure with a controllable wrapping degree can be formed to adjust and control the biodegradation performance thereof, so that the composite granule has a brilliant clinical application prospect.

A method for determining the combination of the electrode and organic semiconductor with improved electron injection efficiency and hole injection efficiency in an organic TFT is provided, two types of FETS, that is, an n channel FET and a p channel FET are realized, and further, a complementary TFT (CTFT) is provided. The method for obtaining the vacuum level shift at the electrode metal/organic semiconductor interface from physical constants of constituent elements of the electrode and the organic semiconductor is provided. By changing the electrode metal through an electrochemical method, the electrodes whose electron injection and hole injection can be controlled are formed. By using these electrodes, two types of FETs such as an n channel FET and a p channel FET are realized, thereby providing a complementary TFT (CTFT).

The invention provides a two-dimensional eutectic organic single crystal micro crystal, a preparation method and application thereof. The method comprises the following preparation steps: selecting pyridine nitrogen-containing oligostyrene-based organic molecules as halogen bond donor molecules, and selecting iodobenzene organic molecules as halogen bond acceptor molecules, adding the halogen bonddonor molecules and the halogen bond acceptor molecules into a good organic solvent and sonicating for several minutes to prepare an organic solvent stock solution of the halogen bond donor moleculesand the halogen bond acceptor molecules; at room temperature, adding the organic solvent stock solution of the halogen bond donor molecules and the halogen bond acceptor molecules into a poor organicsolvent to shake uniformly, then dripping on a substrate, and drying the organic solvent through volatilization to obtain a two-dimensional organic eutectic micro nanostructure material. The two-dimensional eutectic organic single crystal micro crystal can be supposed to be used for preparing an optical logic device for multichannel input and output. The invention provides a new approach for realizing controllable preparation of the two-dimensional organic micro crystal, and the organic crystal can realize asymmetric photon transmission, thereby realizing the optical logic device with multiple input/output channels which take a two-dimensional organic micro nanostructure crystal as a carrier.

Disclosed are a method for inexpensively reducing the contact resistance between an electrode and an organic semiconductor upon a p-type operation of the organic semiconductor; and a method for inexpensively operating, as an n-type semiconductor, an organic semiconductor that is likely to work as a p-type semiconductor. In addition, also disclosed are a p-cannel FET, an n-channel FET, and a C-TFT which can be fabricated inexpensively. Specifically, a p-type region and an n-type region is inexpensively prepared on one substrate by arranging an organic semiconductor that is likely to work as a p-type semiconductor in a p-channel FET region and an n-channel FET region of a C-TFT; and arranging a self-assembled monolayer between an electrode and the organic semiconductor in the n-channel FET region, which self-assembled monolayer is capable of allowing the organic semiconductor to work as an n-type semiconductor.

The invention discloses a simple construction method of a low-dimensional organic frequency-doubling crystal; a host-guest inclusion coordination self-assembly strategy is utilized, guest molecules are induced to be arranged in a non-centrosymmetric structure, and inclusion complex molecules are aggregated to form the low-dimensional organic frequency-doubling crystal by an anti-solvent diffusion method. The construction method particularly comprises three steps: synthesis of the inclusion complex; controllable synthesis of the low-dimensional organic crystal material, and characterization of second-order nonlinear optical properties of the low-dimensional organic crystal material. The construction method provided by the invention is simple in process, convenient to operate, and friendly to the environment, and has universality on synthesis of similar low-dimensional organic frequency-doubling crystals. The construction strategy can greatly broaden the material selection range of the second-order nonlinear optical material. The material is expected to be used as a micro/nano light source device in an integrated nano photonic circuit.

Disclosed is a method for depositing ultrathin layers of an organic semiconductor material on a support, and its applications in fabrication of electronic devices like OEFT and diodes. In the method, a source of an organic semiconductor material and a support are spaced from each other in a vacuum chamber and subjected to a temperature gradient, and the epitaxy initiates due to a van der Waals interaction between the organic molecules and the support. The ultrathin crystalline layers of the organic semiconductor material can be only a-few-molecule thick and even one-molecule thick in total. Further disclosed is a layered structure produced by said method and use of the layered structure in fabrication of logic gates.