156 results about "Organic electronics" patented technology

The invention belongs to the technical field of organic photoelectric materials, and discloses a tetraphenylethylene-containing organic semiconductor material and a preparation method thereof, and application of the material in organic photoelectric devices. The tetraphenylethylene-containing organic semiconductor material is disclosed as Formula I or II, wherein R1, R2, R3, R4 and R5 can be identical or different aromatic ring derivative groups. Different modification groups can be connected to the tetraphenylethylene to regulate the electronic or hole transmission performance of the tetraphenylethylene derivatives, so that the organic semiconductor material not only can be used as a luminescent layer, but also can be used as a luminescent layer and current carrier transmission layer, thereby obtaining the electroluminescent devices with favorable photoelectric properties, simple structure and low cost; and the organic semiconductor material has wide application prospects in the fields of organic electroluminescence, organic field-effect transistors, organic solar cells and other organic electronics.

The invention heterocyclic-sulfur fused naphthalenetetracarboxylic acid diimide derivatives, a preparation method and application thereof. In the preparation method, 2,3,6,7-tetrabromo-naphthalene diimide reacts with 2-alkyl cyanoacetate-ethylene-1,1-dithiol sodium salt, 2-mandelonitrile-ethylene-1,1-dithiol sodium salt or 2-(4-phenylacetonitrile bromide)-ethylene-1,1-dithiol sodium salt to prepare 1,3-heterocyclic-disulfide fused naphthalenetetracarboxylic acid diimide derivatives; and the 2,3,6,7-tetrabromo-naphthalene diimide reacts with 1,2-dicyanoethylene-1,2-dithiol sodium salt to prepare 1,4-dithiin cyclohexadiene-2,3-dinitrile fused naphthalenetetracarboxylic acid diimide derivatives, which further reacts to prepare alpha,beta-dicyanothiophene fused naphthalenetetracarboxylic acid diimide derivatives. The compounds are n-type organic semiconductor materials, and have wide application prospect in the field of organic electronics (organic field effect transistors, organic solar cells and the like).

Provided is a material for organic electronics which can produce an organic electronic element capable of lowering the driving voltage or capable of performing stable driving for a long time. The material for organic electronics contains at least an ionic compound and a compound having a charge transporting unit (hereinafter, referred to as charge transporting compound), and the ionic compound is composed of a counter cation and a counter anion, while the counter cation is any one kind or two or more kinds selected from H+, a carbocation, a nitrogen cation, an oxygen cation, and a cation having a transition metal.

The invention relates to organic photoelectric functional material based on six-substitution three-indene structons and the application thereof, belonging to the technical field of photoelectric material and particularly relating to photoelectric material with definite conjugated branching structure and the application of the material in the field of organic electronics, like organic electrofluorescence and organic laser. The material contains novel 2,3,7,8,12,13-substituted three-combined indene structons, has definite branching three dimensional spatial structure and has good film forming property, excellent thermal stability and enhanced light emission capability. The organic photoelectric functional material has potential application in the field of organic electronics, like organic electrofluorescence, organic laser and organic nonlinear optical material. Specifically, an electrophosphorescence device made with the functional material as blue-fluorescence material is improved in color purity and spectrum stability, and a light pumped organic laser device used as laser medium has low threshold value and high conversion efficiency.

The present invention belongs to the field of photoelectric material, in the concrete, it is a 9-position anthracene and pyrene substituted fluorenic conjugated derivative material and its preparation method, and said material can be used in the field of organic electronics of organic / polymer electroluminescence material, organic integrated circuit, organic solar cell, organic field effect transistor, dye laser, organic non-linear optical material and fluorescent probe, etc. Said compound can utilize 9-position twice substitution structure to introduced the anthracene and pyrene into the high-effective luminescent conjugated fluorene system. Besides, said invention also provides several advantage of said conjugated derivative material.

The invention relates to a fluorenyl windmill grid material and a preparation and application method thereof, and belongs to the field of organic molecular materials and high and new photoelectric technologies. The fluorenyl windmill grid material is cyclic oligomer with fluorenyl micromolecules as monomers, and the specific general structural formula is shown in the description. The material has the advantages that the fluorenyl windmill grid material has both porous characteristics and semiconductor photoelectric characteristics; raw materials are cheap and easy to obtain, reaction conditions are mild, and operation is easy; the fluorenyl windmill grid material has good mechanical properties of a nanomaterial; the fluorenyl windmill grid material has good solubility, and nanofilm processing or fibration processing is facilitated; with a rigid framework, the fluorenyl windmill grid material is high in glass transition temperature, high in thermal stability, electrochemical stability and spectrum stability and the like. Thus, the fluorenyl windmill grid material is expected to become a new-generation practical organic micromolecular photoelectric material and has good application prospects in the fields of organic electronics, spintronics, optoelectronics, mechatronics, nanobiology and the like.

The invention relates to spirofluorene xanthene phosphine oxide electro-phosphorescent main materials and synthesis and application methods thereof, belongs to the field of photoelectric material science and technology, and in particular relates to four spirofluorene xanthene organic phosphine oxide materials and application of the materials in the field of organic electronics such as organic electroluminescent materials, organic solar cells, organic field-effect tubes, dye laser, organic nonlinear optical materials, fluorescent probes and the like. The series of materials are obtained by introducing diphenyl phosphine oxide groups to the 2nd site, the 2nd and 7th sites, the 2nd' site and the 2nd' and 7th' sites of spirofluorene xanthene respectively. The series of compounds have good charge transfer performance, thermal stability and high triplet energy level (ET=-2.86eV), and can be used as main materials and applied in phosphorescent devices. When the series of compounds are applied in the organic electro-phosphorescent devices, the maximum external quantum efficiency is 10.78 percent and the maximum brightness is 8,582cd / m<2> in the blue phosphorescent device; and in the green phosphorescent device, the maximum external quantum efficiency is 19.1 percent, and the maximum brightness is 16,943cd / m<2>.

The invention relates to a bulk heterojunction solar cell polymeric donor material, and the synthesis and the application method thereof. The bulk heterojunction solar cell polymeric donor material can acquire a series of polymeric donor materials having arrow energy gap using thiophene, naphthalimide, fluorine and carbazole as main structural unit by Suzuki or Stille coupling reaction. The polymer doner materials are a series of alternate polymers of fluorine, carbazole, thiophene and naphthalimide condensed ring derivative. The core domain of the polymer is condensed ring monomer obtained by dehydration condensation of diamin derivative and acid anhydride derivative. The polymer also contains long chain fatty alkane for improving polymer solubility in main chain thereof. In polymerization reaction late stage, end blocking method is employed to improve the photo and thermal stability of the polymer. The bulk heterojunction solar cell polymeric donor material is used together with 1-(3-methoxycarbonyl)propyl-1-benzene[6, 6]C61 for preparing bulk heterojunction solar cell having excellent performance by solution spin coating method or for preparing other organic electronic devices such as organic light emitting diodes, information electrical storage devices, and organic field-effect transistors.

The invention relates to an organic field effect transistor which is especially characterized by a cross-linked, structured insulating layer (4) on which the gate electrode (5) is arranged. The structure of the OFET ensures that the gate electrode (5) of an OFET can be used as a strip conductor to the source electrode (2) of the next transistor and can be used in the construction of larger circuits.

A 9-hydroxyl-9'-aromatic conjugate substituted fluorene-containing polymer material and preparation and application methods thereof belong to the fields of photoelectric materials and organic information display science and technology, and in particular relates to a 9-hydroxyl-9'-aromatic conjugate substituted fluorene-containing homopolymerized or copolymerized conjugate polymer, a preparation method thereof and application of the material to the field of organic electronics such as organic light emitting display and the like. The material has the following structure which is shown in the specification. The material has the advantages that: (1) the synthesis steps are simple and the conditions are mild; (2) the advantages of high thermal stability, glass transition temperature and the like are kept; and (3) the material shows morphological diversity due to a supramolecular effect and has rich optical characteristic. It can be anticipated that the material will become an organic photoelectric function material with commercial potential.

An object of the present invention is to provide a process for producing a conjugated polymer that enables a significant shortening of the reaction time. A process for producing a conjugated polymer according to the present invention is a process for producing a conjugated polymer by Suzuki coupling, wherein the process uses microwave irradiation. The conjugated polymer is preferably a polymer used as an organic electronics material, and is even more preferably a polymer used as an electroluminescent material.

The invention discloses a low-voltage organic thin-film transistor and a preparation method thereof, belonging to the technical field of organic electronics. The organic thin-film transistor comprises an insulating substrate, a gate electrode on the insulating substrate, gate dielectrics covering the insulating substrate and the gate electrode, a source electrode and a leakage electrode on the gate dielectric and organic semiconductor layers covering the gate dielectric, the source electrode and the leakage electrode. The preparation method comprises the steps of: firstly, preparing the gate electrode on the insulating substrate; secondly, preparing dielectric layers on the surfaces of the insulating substrate and the gate electrode; then, preparing the source electrode and the leakage electrode on the dielectric layers; and finally, depositing the organic semiconductor layers on the dielectric layer, the source electrode and the leakage electrode to complete the preparation of the device. In the invention, by utilizing an atomic layer deposition method, thinner metallic oxide films are prepared to serve as the dielectric layers and the capacitance of the organic thin-film transistor device is greatly increased, therefore, the voltage of the device is reduced and the organic thin-film transistor with low working voltage can be obtained.

A method of fabricating a composition of matter, including fabricating one or more conjugated polyelectrolytes each comprising a donor-acceptor copolymer backbone and one or more anionic side groups, wherein the one or more conjugated polyelectrolytes are self doped. A solar cell comprising the doped CPE as a hole transport layer is also disclosed.

Described here is a plurality of laminations and elements for constructing an improved Equestrian soft tissue compression support and intelligent textile for Equine, Equestrian Sports or Activities including but not limited to bracing. Scientific research and testing cites the inherent flaws to Prior Art which may make them undesirable to use. Prior Art has been shown to introduce allergies, heat damage, mechanical injuries and joint interference from material binding, bunching and migrating. Due to inherent flaws of Prior Art, they are not suitable for the plurality of laminations and elements to include fibertronics; organic electronics and other forms of e-textiles. Intelligent textiles can aid in expanding the working knowledge of equine or human sports related, repetitive use, occupational and mechanical injuries, rehabilitation treatment and prevention. The intelligent textile pertains generally to monitoring of joint and soft tissues that support a joint of a human or animal body.

The present invention provides crosslinkable, polymerizable and combinations thereof charge transporting molecular glass mixtures, luminescent molecular glass mixtures, or combinations thereof comprising at least two nonpolymeric compounds each independently corresponding to the structure (R1Y1)p[(Z1Y2)mR2Y3]nZ2Y4R3 wherein m is zero or one; n is zero up to an integer at which said compound starts to become a polymer; p is an integer of from one to eight; each R1 and R3 is independently a monovalent aliphatic or cycloaliphatic hydrocarbon group having 1 to 20 carbon atoms, an aromatic group or a multicyclic aromatic nucleus; R2, Z1, and Z2 each independently represent multivalent aliphatic or cycloaliphatic hydrocarbon groups having 1 to 20 carbon atoms or an aromatic group; and Y1, Y2, Y3, and Y4 each independently represent one or more linking groups. The present invention also provides methods for making the same.

The present invention relates to a method for preparing a novel organic field effect transistor material of a pyrrolo[3,2-b]pyrrole fused ring compound. The method includes the main steps of: 1) producing 6,12-dichloro diazocine from a diazocine compound under the action of phosphorus pentachloride; and 2) producing the target pyrrolo[3,2-b]pyrrole fused ring compound through reductive coupling of 6,12-dichloro diazocine under the action of a zinc powder and acid. The invention is characterized in that: 1) compared with the conventional synthetic strategy by a C-N bond to build a key reaction, the synthetic route takes the C-C bond built reduction coupling reaction as a key step, and the mehtod is simple, efficient and wide in universality; 2) reaction raw materials and reagents are cheap and easily available, reaction operation is simple and easy for amplification and for industrial production; 3) the remaining pyrrolo[3,2-b]pyrrole fused ring compounds obtained by the invention are firstly synthesized except for DBPP which has been reported, and the method can provide a variety of novel organic semiconductor materials with potential application values.

The invention discloses a method of patterned configuration of solution-state graphene, which comprises the following steps: (1) processing a substrate and forming a solvent infiltration area and a solvent non-infiltration area of graphene solution on the surface of the substrate; (2) dripping the graphene solution on the substrate obtained in the step 1, and then carrying out spin-coating treatment on the substrate and thermal treatment to obtain the patterned configuration of the graphene. In the method, the solution-method configuration of the graphene is achieved by the simple change of the humidity of the substrate; the method has low cost and large-scale usage, is suitable for a plurality of substrates, broadens the application range of the graphene preparation by a solution method and enhances the application prospects; and meanwhile, the method can be also applied in organic electronics to broaden the application concepts of the graphene preparation by the solution method.

The present invention provides a new bipyridine derivative which is suitable for an electron transport material of an organic electronics element and which has bipyridyl central rings as a core, and further provides an organic electroluminescence element containing the derivative.The bipyridine derivative is expressed by the following general formula.(where A1, A2: represent an aromatic heterocyclic group (except for a carbazolyl group) and an aromatic hydrocarbon group and the aromatic heterocyclic group may be combined; a, b=1 or 2; Ar1, Ar2: represent a divalent or trivalent aromatic hydrocarbon group which may be substituted by hydrogen atom, an alkyl group, a cycloalkyl group, or an alkoxy group; B1, B2: represent hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, an aromatic hydrocarbon group, or an aromatic heterocyclic group; and ring E1, ring E2: represent a pyridine ring, and may have hydrogen atom, an alkyl group, a cycloalkyl group, or an alkoxy group.), which is used as an electron transport material.

Belonging to the technical field of macromolecular functional materials and organic electronics, the invention provides a macromolecular compound containing boron-nitrogen coordinate bond, a preparation method and application thereof, and solves the technical problem of low mobility of organic conjugated macromolecular compounds in the prior art. The conjugated main chain of the macromolecular compound provided by the invention contains three fragments, namely an electron-deficient double boron-nitrogen coordinate bond bridged bipyridyl unit, an Ar unit and an electron-rich thiophene unit respectively, and the structural formula is shown as formula (I). The macromolecular compound has the characteristics of good planarity, strong crystallinity, strong intermolecular interaction, etc., andcan greatly improve the electron mobility of the material; the chemical structure is easy to modify, the energy level structure is adjustable, and the absorption spectrum is wide; and the macromolecular compound can be applied as the acceptor material of organic solar cells and the charge transport layer material of organic field effect transistors.

The invention relates to small molecules and polymers which have a linear polycyclic conjugation structure and are condensed together, a synthesis method thereof, and applications thereof as a semiconductor active material on organic filed effect triodes, organic solar energy batteries, and other organic electronic devices. The synthesis method of the compounds with such structure comprises following steps: taking 2,5-dibromo-1,4-diethyl phthalate and condensed heterocyclic conjugation molecules as the primary raw material, then subjecting the primary materials to carry out cross-coupling to form a conjugation molecule intermediate containing four ester groups, then subjecting the ester groups to react with an organic lithium reagent so as to generate an intermediate with four alcohol groups, and finally subjecting the intermediate with four alcohol groups to carry out four ring-closure reactions under the acidic condition so as to obtain a highly-conjugated trapezoid polycyclic structure. The molecules with this structure can directly be used as a molecule type organic semiconductor material and can be used as a monomer synthesis polymer semiconductor material. These materials have an excellent organic solvent solubility, a solution processing property, and a high light, heat, and voltage stability. The organic field effect triode prepared by the materials has a charge transfer rate more than 0.8 cm2 / Vs, and has a potential application prospect on the field of organic electronics.

Objects of the present invention are to provide a purification process that enables Pd contained in an organic electronics material to be removed effectively, to provide an electroluminescent device middle layer material purified by the process, and to provide an electroluminescent device employing the middle layer material. The present invention relates to a process for purifying an organic electronics material, the process involving treating, with a phosphorus-containing material, an organic electronics material that contains Pd as an impurity so as to remove the Pd.

The invention pertains to the technical field of organic and organometalic electro-active material, which more particularly relates to a hyperbranched polyfluorenes material comprising steric blockade and a preparation method thereof. The material introduces high blockade on the basis of hyperbranched polyfluorenes structure to distort considerately the synthesis molecular chain, thus efficiently inhibiting molecular aggregation, avoiding formation of excimer and fluorescence quenching, improving the material with luminous efficiency. As organic electro-active material with high inoxidability, thermal shock resistance and photostability, the material can be widely used in organic electronics industry such as organic / synthesis electroluminescent, photovoltaic cell, organic field-effect transistor and laser etc.

The present invention belongs to the field of organic photoelectronic power material technology, and is especially organic photoelectronic RE material with adjustable carrier transport capacity and its preparation and application. The present invention synthesizes organic photoelectronic RE material with adjustable hole and electron implanting transmission capacity with organic phosphine oxide as neutral ligand, beta-diketone as anion ligand and RE ion as central metal ion and through compounding reaction. The material has unique double channel hole-electron structure introduced through the neutral ligand, and greatly improved and adjustable carrier implanting and transmitting performance. The organic photoelectronic RE material may find wide application in electroluminescence, organic laser, solar cell and other organic electronics fields.

The present invention belongs to the field of photoelectronic material technology, and is especially double spiro material containing hetero atom and its preparation process and application in organic plate display, photovoltaic cell, organic FET, laser and other organic electronics fields. The compounds are conjugate semiconductor material with double spiro structure introduced hetero atom. The double spiro material has the advantages of simple synthesis, capacity of further modification, effective realization of the photoelectronic property of modulation material, high heat stability, high vitrification point, etc. The material of the present invention may be used in producing photoluminescent device with satisfied brightness and light emitting efficiency, and has commercial application latent.

The present invention belongs to the field of photoelectronic material science and technology, and is especially one kind of materials containing hindered amine structure unit and its preparation process and application in organic electronics field. Each of these materials includes two parts of organic conjugated skeleton chain and hindered amine group, where, the organic conjugated skeleton molecular structure consists of conjugated oligomer with alkyl radical and polymer. These materials may be used as the stabilizer for organic material with high oxygen, heat, light and ultraviolet stability, especially the stabilizer for organic electronic material and photoelectronic material. These materials may be used also as carrier transmitting material, light emitting material, conducting material, etc. widely.

This invention relates to a conjugated molecular material using retardant amine structural unit as blocking agent and preparing method thereof. Said material comprises the two parts of organic conjugated frameworm chain and blocking structure retardant amine. The material can be used as organic material or stabilizer with high stability to oxygen, heat and ultraviolet light, or carrier transmission material, luminescent material and conductive material which can be used to the organic electronic fields such as organic EL device, photovoltaic cell, organic filed effect tube, fluorescent sensor and laser etc..

The present invention is directed to functionalized semiconducting polymers (FSPs) having the following general formula (I): wherein PB is a semiconducting polymer backbone, L is an alkyl, alkenyi or alkoxy chain and CTG is a cationic terminal group. The FSPs may be used as interfacial modifiers in organic electronics, and more specifically organic photovoltaic devices.