38 results about "Organic electronics" patented technology

The invention discloses a method for synthesizing an n-type conductive conjugated polymer and screening a catalyst, and belongs to the technical field of synthesis of conductive polymer materials. Redox potentials of various metal compounds are studied, the screening method of the catalyst in synthesis of the n-type conductive conjugated polymer is provided, and the n-type conductive conjugated polymer such as poly (benzodifuran diketone) (PBFDO) is efficiently synthesized by introducing a trace and cheap metal compound as the catalyst. The method has the advantages that the problem that a large amount of catalyst is left in a conventional synthesis method is solved, the operation is simple, the conductivity of the synthesized PBFDO exceeds # imgabs0 #, the problem that most n-type organic conductive polymers are low in conductivity is solved, high-performance conductivity matched with p-type organic conductive polymers can be realized, and the method can be widely applied to various organic functional materials and organic electronic devices.

The invention belongs to the technical field of organic functional materials and organic electronics, and particularly relates to a modified stretchable electrode and a preparation method and application thereof. Silver nanowire dispersion liquid is spin-coated on a substrate, an obtained silver nanowire film is patterned, the obtained patterned silver nanowire film is soaked in a modifier (a small molecule compound containing a group capable of being combined with silver and a hydrogen supply group) for modification, the upper portion of the obtained modified silver nanowire film is coated with an organic polymer solution, and after annealing, the silver nanowire film is obtained. And stripping from the substrate to obtain the modified stretchable electrode. Through the interaction between the modified and enhanced silver nanowire film and the organic polymer, the tensile property is improved, the situation that the sheet resistance of the modified stretchable electrode is increased due to breakage of the silver nanowires is avoided, and the modified stretchable electrode has high conductivity, high transparency and high fatigue resistance at the same time.

The invention belongs to the technical field of organic electronics, and provides a compound, a mixture and a composition for further improving the performance of an organic EL device, and the organic EL device with further improved device performance. The compound has a structure as shown in a formula (1), has an asymmetric structure, can inhibit molecular aggregation and reduce exciton quenching, and shows a high triplet state energy level. The driving voltage of the prepared organic electronic device is reduced, and the luminous efficiency is obviously improved. In addition, the compound provided by the invention also has relatively high thermal stability and contains a certain content of deuterium atoms, so that the service life of the organic electronic device is prolonged. The organic electronic device can be applied to the fields of display and illumination.

The invention belongs to the technical field of organic electronics, and provides a compound, a mixture and a composition for further improving the performance of an organic EL device, and the organic EL device with further improved device performance. The compound has a structure as shown in a formula (2) or a formula (3), and the compound has an asymmetric structure, so that molecular aggregation can be inhibited, and exciton quenching can be reduced. The driving voltage of the prepared organic electronic device is reduced, and the luminous efficiency is obviously improved. The compound provided by the invention also has relatively high thermal stability and contains a certain content of deuterated benzene rings, so that the service life of the organic electronic device is prolonged. The organic electronic device can be applied to the fields of display and illumination.

This invention relates to the fields of organic synthesis and organic electronics, particularly to cyanobutadiene derivatives and their preparation methods and applications, and polymer semiconductor materials and their preparation methods and applications. The cyanobutadiene derivatives have the following general structural formula (1) or (2): This invention develops a series of cyanobutadiene derivative-based electron-deficient building blocks with simple structures, strong electron-withdrawing capabilities, and easy synthesis. These electron-deficient building blocks can be used as acceptor units in the development of organic photovoltaic, organic thermoelectric, and organic field-effect transistor materials.

The present application relates to a carbon paste composition and a method of producing the same. The carbon paste composition comprises polyvinylcarbazole (PVK) and a tailored mixture of solvents. The PVK is used as a semiconducting binder replacing the conventionally used poly(vinyl acetate) found in commercial carbon-based pastes. This carbon paste composition is suitable for use in the preparation of perovskite solar cells or other types of organic electronics. This application also discloses a method to deposit the carbon paste composition in a perovskite solar cell.

The application discloses a nerve synapse biomimetic photoelectric slowly-varying memristor and a preparation method thereof, and belongs to the field of organic electronics and photoelectric information technology. The device structure of the slowly-varying memristor is a cross structure, and comprises a bottom electrode, a functional layer and a top electrode from bottom to top on a conductive glass. The functional layer is a poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylene vinylene] MEH-PPV layer. The bottom electrode is indium tin oxide ITO, and the top electrode is Ag. The MEH-PPV layer is a continuous and smooth amorphous thin film. The MEH-PPV layer is prepared by a solution spin coating method, and has the advantages of good sustainability, good solubility, simple preparation, excellent photoelectric performance and the like. The prepared nerve synapse biomimetic photoelectric slowly-varying memristor can perform various nerve morphological simulation and has different responses to light with different wavelengths and different intensities. The application has low cost, good repeatability and can be used in an artificial nerve morphological computing system, and provides more possibilities for constructing a visual perception system.

The invention relates to the technical field of organic chemical molecular design and organic photoelectric materials, in particular to an acceptor unit with a skeleton containing thiophene modified benzoxadiazole derivatives, side chain alkyl substitution and main chain vinyl bridging, and preparation and application of the acceptor unit. According to the present invention, the skeleton contains the thiophene-modified benzoxadiazole derivative, the side chain alkyl substituted and main chain vinyl bridged acceptor unit is the strong electron-deficient acceptor unit with high main chain planarity, and further, the n-type polymer is prepared through the improved co-catalysis direct arylation polymerization process based on the acceptor unit, and the commercialization process of organic electrons is greatly promoted. According to the invention, the n-type polymer with a unique electron-structure synergistic effect is used as an organic semiconductor layer, and the prepared organic field effect transistor shows a creative electron mobility.

The invention belongs to the technical field of organic electronics, and discloses a preparation method of an indanone-based photoresponse organic molecule and application of the indanone-based photoresponse organic molecule in the field of organic single-molecule wires. The indanone-based photo-responsive organic molecule has a structure shown as I-II as shown in the specification, and through-bond coupling (TBC) and through-space coupling (TSC) channels of the indanone-based photo-responsive organic molecule can be regulated and controlled through molecular structure engineering. By means of introducing electron donating / withdrawing groups into molecules, adjusting the length of a pi-conjugated chain, introducing steric hindrance and the like, the molecules are subjected to reversible photoisomerization under ultraviolet irradiation, and meanwhile, adjustment of a charge transfer channel can be realized at a single molecule level. The preparation method is simple and applicable, and has a good application prospect in the field of organic monomolecular wires.

The invention belongs to the technical field of monomolecular organic electronics, and discloses a preparation method, performance research and application of imidazole-based organic molecules. On the basis of imidazole organic molecules, methylthio is used as an anchoring group, and the imidazole organic molecules have the following structure: # imgabs0 #. The methylthio anchoring groups are introduced into the unique conjugated structure and two ends of the imidazole molecules, and under certain conditions, the molecules change from a single molecular system to a bimolecular system, so that the molecular weight is increased, and the molecular weight is increased. And the conductivity value, the molecular pulling length and other corresponding characteristics can also change correspondingly. Due to the fact that free ions in imidazole molecules can react with adjacent molecules to a certain extent under specific conditions, the imidazole molecules can serve as molecular devices related to molecular switches and the like to be applied in monomolecular devices, and the imidazole molecules can also be used for information storage and encryption due to the performance of response under the specific conditions. Therefore, the molecule has a good application prospect in the field of organic single-molecule wires.

A process for producing nanoclusters of silicon and / or germanium exhibiting a permanent magnetic and / or electric dipole moment for adjusting the work function of materials, for micro- and nano-electronics, for telecommunications, for “nano-ovens”, for organic electronics, for photoelectric devices, for catalytic reactions and for fractionation of water.

The present invention relates to electronically doped semiconductor materials and electronic components comprising cerium-ethylenediamine ketone-type and cerium-salen-type composites. The present invention also relates to the use of the cerium-ethylenediamine ketone-type and cerium-salen-type composites as electron acceptors, particularly as p-dopants and electron transport materials in organic electronic components. Furthermore, the present invention relates to novel cerium-ethylenediamine ketone-type and cerium-salen-type composites.

An organic electronics material includes a charge transport polymer which has a branched structure, includes a trivalent structural unit represented by formula (a) below, and a divalent structural unit represented by formula (b) below, has a structure represented by formula (I) and is formed through a direct bonding of at least one bonding site in the trivalent structural unit and at least one bonding site in the divalent structural unit, and has a weight average molecular weight of 2,000 to 500,000. In the formulas, Ar' represents a trivalent organic group derived from an aromatic hydrocarbon or aromatic heterocycle of 2 to 30 carbon atoms, or triarylamine, Ar2 represents a monovalent organic group derived from an aromatic hydrocarbon of 6 to 30 carbon atoms which has an electron-withdrawing group or an electron-donating group, and * represents a bonding site with another structure.

The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and / or charge blocker.

The present invention relates to compounds of formula (I) as well as to their use as organic doping agent, as transport layer, as hole injection layer, as organic semiconductor itself, or as hole transport layer. The invention also relates to organic semiconductive materials, electronic components, semiconductor units, and doped semiconductor layers comprising the compounds of formula (I) as well as to a method to produce such a doped semiconductor layer.

The application discloses a conjugated two-dimensional polymer film and a preparation method and application thereof. The preparation method comprises the following steps: placing a copper substrate in a mixed solution containing an organic monomer and a polar solvent, then adding a ligand and performing an interfacial polycondensation reaction, so as to in-situ grow the conjugated two-dimensional polymer film on the surface of the copper substrate. The preparation method provided by the application can in-situ obtain various conjugated two-dimensional polymer films with different bonding connections on the surface of copper. The prepared conjugated two-dimensional polymer film has adjustable pores, a smooth morphology, a controllable thickness and a strong interlayer pi-pi interaction force, and can be widely applied in selective adsorption and separation, photo / electric catalysis, chemical sensing, organic electronics and other fields. Meanwhile, the conjugated two-dimensional polymer film / metal copper composite material prepared in the application can be directly used as an active electrode and applied in electrolytic water, carbon dioxide reduction electrocatalytic reaction and electrochemical seawater uranium extraction.

The present invention relates to an electronic component comprising a cerium IV complex, a doped semi-conductor matrix material comprising the cerium IV complex and at least one electron donor, the use of the cerium IV complex, especially as an organic semi-conductor, as a dopant in organic semiconductor matrix materials and as a charge injector in a charge injection layer, and new cerium IV complexes.

The invention discloses a single-channel vertical complementary amplifying circuit based on an organic electrochemical transistor and a preparation method of the single-channel vertical complementary amplifying circuit, and belongs to the technical field of organic electronics. The single-channel vertical complementary amplification circuit based on the organic electrochemical transistor comprises a substrate, a bottom electrode, a single-component bipolar semiconductor channel layer, a top electrode VDD, a top electrode VSS and a packaging layer from bottom to top, wherein the top electrode, the bottom electrode and the semiconductor channel layer are vertically and oppositely arranged. According to the single-channel vertical complementary amplification circuit provided by the invention, the n / p type conductive function is integrated through the single-component bipolar semiconductor material, a vertical stacking framework is matched, multiple precise photoetching steps are omitted, function stability can be guaranteed without designing a complex alignment structure and additionally optimizing process parameters, the preparation process is greatly simplified, the equipment cost is reduced, and the production efficiency is improved. The mass production yield is obviously improved, and the method has a wide application prospect.

The invention belongs to the technical field of semiconductor industry storage technology and organic electronics and information, and particularly relates to a dynamic reconfigurable organic photosensitive field effect transistor and a manufacturing method thereof. The dynamic reconfigurable organic photosensitive field effect transistor comprises a gate electrode, a gate insulating layer, an electrolyte layer, an organic photosensitive charge trapping layer, an organic photosensitive semiconductor layer and source and drain electrodes from bottom to top. The organic photosensitive field effect transistor is based on a double-photosensitive-layer structure, an electrolyte layer is additionally introduced, and the dynamic reconfiguration of light current is successfully realized by utilizing a photon-electron-ion multi-mechanism coupling effect; by changing the grid voltage and the source-drain voltage, the volatility-to-non-volatility reconfigurability of the light current is realized; according to the organic photosensitive field effect transistor, the spectral range of a device can be expanded through a double-photosensitive-layer structure, and sensing from ultraviolet light to visible light is achieved. In addition, the organic photosensitive field effect transistor utilizes a negative photoconductive effect to sense light information in a weaker light environment.

The present invention relates to hydroxyamino phosphinic acid derivatives of formula Iin which the occurring groups and parameters have the meanings defined in claim 1, to a method for their preparation and to their use for the fabrication of self-assembled monolayers (SAM), in particular for the fabrication of switchable SAM for electronic devices. The invention further relates to electronic devices comprising said SAM, preferably in the field of organic electronics, in particular for use in memory, sensors, furthermore in organic light-emitting diodes (OLEDs), photovoltaics (OPVs), field-effect transistors (OFETs) and Josephson junctions, very particularly in memristive components such as memristive crossbar-arrays.

Described herein are non-aqueous ink compositions comprising a polythiophene having repeating units conforming to Formula (I) as described below, one or more metalloid nanoparticles, and a liquid carrier having one or more organic solvents. The invention also relates to the use of the non-aqueous ink composition, for example, in organic electronic devices. In formula (I), R1 and R2 are each independently H, alkyl, fluoroalkyl, alkoxy, aryloxy or-O-[Z-O] p-Re; wherein Z is an optionally halogenated alkylene group, p is equal to or greater than 1, and Re is hydrogen, alkyl, fluoroalkyl or aryl. (I)

The present invention relates to the field of organic electronics, and specifically to an organic hot electron transistor, a preparation method thereof, and a LUMO energy level detection method. The organic hot electron transistor described in the present invention includes an emitter, a base, and a collector; wherein an insulating layer is provided between the emitter and the base, and an organic semiconductor layer is provided between the base and the collector. The present invention realizes the application of hot electron transistors in the detection technology of the LUMO energy level of organic semiconductor materials for the first time by improving the structure of existing hot electron transistors. At the same time, the present invention also provides a method for obtaining a hot electron energy spectrum using the hot electron transistor, and proposes a method for in-situ and accurate extraction of the LUMO energy level of an organic semiconductor material from the hot electron energy spectrum. The present invention not only fills the gap in research in this field, but also provides guidance for the study of charge transport behavior in organic electronic devices.

This invention discloses a stretchable conductive composite film, its preparation method, and its applications, belonging to the fields of stretchable organic electronics and temperature sensing technology. The preparation method involves uniformly dispersing pyrrole monomers into a polyurethane matrix via an air / glycerol interface assembly method, followed by chemical oxidation synthesis. The pyrrole monomers undergo oxidative polymerization between polyurethane molecular chains, resulting in the growth and entanglement of the synthesized polypyrrole polymer chains within the polyurethane molecular chains, forming a stretchable conductive composite film with a polyurethane / polypyrrole interpenetrating network structure. The polypyrrole and polyurethane interpenetrating network structure of this invention ensures that the conductive pathway of the stretchable temperature sensor is not significantly disrupted under tensile and other strain conditions. Therefore, the stretchable temperature sensor of this invention exhibits strain-insensitive temperature sensing performance, maintaining stable temperature sensing performance under both tensile and bending deformations.

The present invention relates to hydroxyaminophosphinic acid derivatives of formula I, in which the occurring radicals and parameters have the meanings defined in claim 1, to their preparation process and to the formation of self-assembled monolayers ( s elf- a assembled m The present invention further relates to electronic devices comprising said SAMs, preferably in the field of organic electronics, in particular for use in memories, sensors, and also in memristive components such as organic light-emitting diodes (OLEDs), photovoltaics (OPVs), field-effect transistors (OFETs), and Josephson junctions, and very particularly memristive crossbar arrays.

The application discloses a low-voltage and low-leakage organic field effect transistor array and a preparation method and application thereof, and belongs to the technical field of organic electronics. The low-voltage and low-leakage organic field effect transistor array cooperatively suppresses leakage current in two directions of vertical and horizontal directions. A high-k-low-k double-layer composite dielectric layer is constructed, wherein the high-k dielectric layer realizes low-voltage gate control, and the low-k dielectric layer serves as a tunneling barrier to suppress vertical gate leakage; meanwhile, a patterned photoetching semiconductor layer is constructed, so that a semiconductor region is located inside a channel, and a horizontal parasitic leakage path is cut off.

The invention discloses a bionic neuron circuit based on organic electrochemical transistors, which belongs to the crossing field of organic electronics and neuromorphic engineering, and comprises the organic electrochemical transistors, a capacitor, a voltage source, a conductor and a constant current source, a source electrode of the first organic electrochemical transistor is connected with the ground, a drain electrode of the first organic electrochemical transistor is connected with a positive electrode of a first voltage source, a negative electrode of the first voltage source is connected with a second end of the capacitor, and a grid electrode of the second organic electrochemical transistor is connected with a first end of the capacitor; the drain of the second organic electrochemical transistor is connected with the cathode of the second voltage source; the positive electrode of the second voltage source is connected with the second end of the capacitor, the first end of the electric conductor is connected with the first end of the capacitor, the positive electrode of the third voltage source is connected with the second end of the capacitor, and the constant current source is connected with the first end of the capacitor. According to the invention, development of a new-generation neuromorphic computing system can be effectively supported.

The present invention relates to an electronic component comprising a cerium IV complex, a doped semi-conductor matrix material comprising the cerium IV complex and at least one electron donor, the use of the cerium IV complex, especially as an organic semi-conductor, as a dopant in organic semiconductor matrix materials and as a charge injector in a charge injection layer, and new cerium IV complexes.

The invention discloses application of a C-H sigma bond compound as a light-activated n-type dopant in semiconductors, and belongs to the field of semiconductor functional materials and the field of organic electronics. As a high-stability, photo-activatable and efficient n-type dopant, the C-H sigma bond compound can realize efficient doping of semiconductor materials such as small organic molecule semiconductors, conjugated polymer semiconductors, carbon nanotubes, two-dimensional semiconductors and the like. Meanwhile, the n-type dopant can be compatible with a high-precision ultraviolet exposure technology, and regioselective doping of a semiconductor material is achieved. When the C-H sigma bond compound is used as an n-type dopant to be applied to electronic devices based on semiconductor materials, such as thin film transistors, thermoelectric devices, solar cells and light-emitting diodes, the bulk phase and interface defects of the semiconductor materials can be eliminated, the carrier concentration of the materials can be regulated and controlled, the electrical performance of small-size devices can be remarkably improved, and the performance of the devices can be improved. Therefore, miniaturization and integration of the device are realized.

The invention provides a method for calculating the electron transport property of a metal phthalocyanine molecular device, and relates to the technical field of organic electronics and computational material scientifes.The method comprises the steps of molecular structure construction, electronic ground state analysis and quantum transport simulation.According to the method, a TiPC device shows a sharp formant near the Fermi energy level under the zero bias, the transmission intensity is the highest, and the electron transport property of the metal phthalocyanine molecular device is calculated. The current density reaches # imgabs0 # and is 2 orders of magnitude higher than that of a traditional semiconductor device, the semiconductor device is suitable for high-speed low-power-consumption electronic devices, ScPC and CuPC are high in state density near the Fermi level, a strong coupling resonance channel is formed, the transport efficiency is remarkably superior to that of a non-magnetic system, d-track occupied state reconstruction occurs under electric field driving of a CrPC device, room temperature negative differential resistance is induced, and the performance of the semiconductor device is improved. The method can be applied to high-frequency oscillation and signal amplification. The spin polarizability of the FePC device reaches 65%, the spin upward and downward channel state densities are obviously asymmetric, and the method is suitable for spin electronic devices such as a spin valve and a spin filter.

The invention provides a preparation method of a high-sensitivity organic electrochemical transistor (OECT) cortisol sensor, and belongs to the crossing field of a biosensing technology and organic electronics. A grid electrode of the organic electrochemical transistor cortisol sensor is a carbon electrode modified by Prussian blue (PB) and molecularly imprinted polymer (MIP) in sequence, an evaporated gold electrode is used as a source electrode and a drain electrode, and a PEDOT: PSS film printed by aerosol is used as a channel material. PB is used as a built-in redox probe, polypyrrole and poly-3-APBA are used as MIP substrates, a bare carbon electrode is modified through electrochemical deposition and electrochemical polymerization, preparation of the cortisol electrochemical sensor is achieved, the electrochemical sensor is used as a grid electrode, OECT is prepared, and high-sensitivity cortisol reagent-free detection is achieved. The preparation method of the cortisol sensor is easy to operate, chemical synthesis is not needed, repeatability is high, the detection method is simple, the sensitivity of the prepared sensor can reach 5.6 microamperes / dec, and the cortisol sensor has good reproducibility.