8 results about "Molecular semiconductor" patented technology

The invention relates to the field of power cable materials, in particular to an ultrahigh-voltage cable insulating material, a preparation method thereof and a cable. The ultrahigh-voltage cable insulating material is prepared from the following raw materials in parts by mass: 80 to 100 parts of polyethylene, 1 to 5 parts of a cross-linking agent, 0.5 to 1 part of a compatilizer and 0.1 to 1 part of an organic molecular semiconductor. According to the ultrahigh-voltage cable insulating material, the organic molecule semiconductor with high electron affinity is introduced into the polyethylene matrix, and free electrons are attracted and fixed through strong static electricity of the organic molecule semiconductor, so that injection, migration and accumulation processes of charges in the cable insulating material are blocked; the problem of space charge accumulation of a cable insulating material in a high-voltage environment is solved from the source, and the insulativity and the long-term operation reliability of the cable insulating material are effectively improved.

The invention relates to the technical field of semiconductors, and provides a phase separation transport channel molecular spinning electronic device and a preparation method thereof. The phase separation transport channel molecule spinning electronic device comprises a substrate, a ferromagnetic metal electrode I, an interface layer, a phase separation molecule semiconductor intermediate transport layer and a ferromagnetic metal electrode II which are arranged in sequence, the phase separation molecular semiconductor intermediate transport layer has a phase separation structure formed by a fullerene derivative and polymer mixed system. According to the phase separation transport channel molecular spin electronic device and the preparation method thereof provided by the invention, the molecular semiconductor intermediate transport layer is prepared into a space-limited phase separation structure through the phase separation structure formed by the fullerene derivative and polymer mixed system, so that the room-temperature spin transport efficiency can be greatly improved; and the air environment stability and the working stability are excellent.

The invention provides a cyanation quinoxaline-based n-type polymer semiconductor material and a preparation method and application thereof, and the cyanation quinoxaline-based n-type polymer semiconductor material has a chemical structural general formula as follows: in the n-type polymer semiconductor material, quinoxaline is used as a matrix and has good solubility and a planar skeleton structure, and the structural formula is shown in the specification. The introduction of the cyano group significantly reduces the electricity shortage of the quinoxaline, so that the prepared n-type polymer semiconductor material has lower molecular front track energy level and more excellent photoelectric properties, thereby showing excellent application potential in the fields of organic field effect transistors, organic thermoelectricity or organic solar cells and the like.

The application discloses a polymer-induced organic semiconductor crystalline patterning method and application, and belongs to the technical field of organic electronic material preparation. A blending system containing an organic semiconductor acceptor material TCNQ and a polymer regulator PBTTT is dissolved in an organic solvent, and under the condition that no external electric field, magnetic field or mechanical field is added, an organic semiconductor crystal with a highly ordered parallel fibrous or linear pattern is obtained by self-assembly growth on a pretreated substrate through a solution method. The microphase separation structure formed by the polymer regulator in the solution evaporation process is used as a soft template to guide the directional nucleation and growth of a small-molecule semiconductor material, so that a highly ordered parallel fibrous or linear large-area crystal pattern is self-assembled without any external electric field, magnetic field or mechanical field.

The invention discloses a preparation method of an all-organic PF / PC composite dielectric film containing a molecular semiconductor. Belongs to the technical field of energy storage materials. The invention aims to improve the breakdown strength of the polymer medium and enhance the energy storage density of the polymer medium. According to the invention, PC particles and PF are dissolved in tetrahydrofuran to prepare a mixed solution, the PF / PC dielectric film is prepared by a method of drying after film coating, and the specific mechanism is that introduction of a molecular semiconductor PF forms a molecular trap with PC to inhibit transport of carriers, and hydrogen bonds are formed between fluorine atoms of PF and hydrogen atoms of PC to effectively inhibit migration of charge carriers, so that the performance of the PF / PC dielectric film is improved, and the performance of the PF / PC dielectric film is improved. Therefore, the insulating property of the polymer dielectric material is enhanced by inhibiting conduction, and the breakdown strength is finally improved. The invention can be widely applied to modern electronic equipment, 5G communication, electric automobiles, electromagnetic weapons and power systems.

The invention relates to the technical field of semiconductor devices, and provides an encryption element and method based on a molecular spinning electronic device. The encryption element comprises a spinning signal encryption element which is formed by connecting a molecular spinning electronic device, a phase inverter and a multiplexer through conductive wires. The molecular spin electronic device comprises a substrate, a bottom ferromagnetic electrode, an interface layer, a molecular semiconductor intermediate layer and a top ferromagnetic electrode which are arranged in sequence. The spin signal encryption element inputs a first control signal through a multiplexer, and controls the application of reverse bias voltage to the molecular spin electronic device, so that the spin transport efficiency of the molecular spin electronic device is close to 0; and inputting a second control signal, controlling to apply a forward bias voltage to the molecular spin electronic device, and outputting a high signal-to-noise ratio spin signal. According to the encryption element and method based on the molecular spinning electronic device, flexible encryption and decryption switching of the spinning signal can be realized through the multiplexer and the spinning electronic device.

The invention discloses an organic electronic device and a preparation process thereof, and the preparation process of the organic electronic device comprises the following steps: providing a substrate, and forming a dielectric layer on the surface of the substrate; forming a source electrode and a drain electrode on the dielectric layer; modifying the outer surfaces of the source electrode and the drain electrode by using a polyfluorine modification material containing a thiol group; and forming a small molecule semiconductor film layer on the dielectric layer, the source electrode and the drain electrode by adopting a meniscus induced coating method, and drying to obtain the organic electronic device. The organic electronic device prepared by the preparation process of the organic electronic device has a flat metal-organic semiconductor contact interface, and the performance of the organic electronic device can be improved.

The invention discloses a high-molecular semiconductor long-life lead-acid battery positive grid and a preparation method and application thereof, and relates to the technical field of lead-acid battery positive grids, a high-molecular polymer positive coefficient temperature material PPTC is adopted as a positive grid material, and the conductivity and corrosion resistance of the grid can be improved, so that the service life of a battery is prolonged, and the service life of the battery is prolonged. The polymer semiconductor PPTC positive grid is suitable for a net energy floating charging battery and a deep floating charging battery.