Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

55results about How to "Enhance conjugation" patented technology

Trapezoidal conjugated polymer and method for preparing same

The invention relates to trapezoidal conjugated polymer and a method for preparing the same, belonging to the technical field of the organic chemical industry and the fine chemical industry. The trapezoidal conjugated polymer is effectively prepared by enabling raw material (single-linked polymer containing perylene diimide) to be subjected to the photocatalytic dehydrogenation cyclization reaction in organic solvent under the action of iodine of the catalytic amount, the solar radiation and the air condition at certain temperature. Compared with the raw material, the conjugation between trapezoidal conjugated polymer monomers is improved obviously, and the optical stability of the trapezoidal conjugated polymer is improved markedly.
Owner:DALIAN UNIV OF TECH

Flexible electrode layer and preparation method thereof, display substrate, and display device

The invention embodiment provides a flexible electrode layer and a preparation method thereof, a display substrate, and a display device, and relates to the display technical field; a resistivity in flexible electrode layer material is reduced, so the flexible electrode layer can be applied to the electrode structure with less square resistance, thus satisfying electrode structure low resistance requirements by the display device, and further developing the flexible display; the preparation method of the flexible electrode layer comprises the following steps: forming a first electrode layer on a substrate formed by carbon nanotubes and / or graphene material; using oxidizability material to carry out doping modification for the first electrode layer, thus forming a second electrode layer. The invention is applied to the preparation of the flexible electrode layer, and the display substrate containing the flexible electrode layer.
Owner:BOE TECH GRP CO LTD +1

Perylenetetracarboxylic diimide copolymer containing thiophenepyrrole dione unit, preparation method thereof and application thereof

The invention discloses a perylenetetracarboxylic diimide copolymer containing a thiophenepyrrole dione unit, a preparation method thereof and an application thereof. The molecular structure of the copolymer is represented by general formula (I); and in the formula (I), n is an integer between 1 and 200, R1, R2, and R3 are selected from hydrogen, C1-C20 alkyl, C1-C20 alkyloxyphenyl, or phenyl, R4and R5 are selected from C1-C20 alkyl, and R6 is selected from C1-C20 alkyl or alkyloxy. The perylenetetracarboxylic diimide copolymer containing the thiophenepyrrole dione unit of the invention has the advantages of good solvability, high carrier mobility, strong absorbance, wide light absorption range, and improvement of the sunlight utilization rate; and the preparation method has the advantages of simple process, high yield, and easy operation and control.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Iridium complex and organic electroluminescence device

The invention discloses an iridium complex. In the iridium complex, R1-R5 are independently chosen from one of hydrogen atom, alkyl group of which carbon number is 1-10, alkoxy of which the carbon number is 1-10, alkyl amino of which the carbon number is 1-10, carbazolyl, fluorine atom, helium atom, trifluoromethyl and aeromatic base of which the carbon number is 4-18 respectively; Ar perssad is chosen from one of aryl group of which the carbon number is 4-18 and heterocyclic aryl of which the carbon number is 4-18; X is a bidentate ligand. The invention also relates to an organic electroluminescence which uses the iridium complex.
Owner:TSINGHUA UNIV

Aqueous method for making magnetic iron oxide nanoparticles

The invention discloses an aqueous method of making polymer coated superparamagnetic nanoparticles. The method comprises providing a mixture of iron salts in an aqueous solution of hydrochloric acid. A solution of ammonium hydroxide is added to the mixture and stirred. Stirring continues with an aqueous solution of one or more biocompatible polymers so as to promote formation of polymer coated iron nanoparticles in suspension, wherein optionally at least one of the polymers in the coating may be aminated. Centrifuging the suspension leaves a supernatant without large particles. Filtering the supernatant through an ultrafiltration membrane and collecting the filtrate recovers polymer coated nanoparticles. Crosslinking the polymer is effected by treatment with a solution of epichlorohydrin and sodium hydroxide while stirring vigorously for up to about eight hours. Optionally aminating the polymer may be accomplished by treatment with ammonia after crosslinking and then removing remaining free epichlorohydrin. Nanoparticles made by the method are included in the invention.
Owner:UNIV OF CENT FLORIDA RES FOUND INC

Three-dimensional tree-shape conjugated compound-carbon nanotube complex and application of complex

The invention discloses a three-dimensional tree-shape conjugated compound-carbon nanotube complex and an application of the complex. The three-dimensional tree-shape conjugated compound has a structure represented as a formula (I) or a formula (II), wherein the B is a branched conjugated link unit, which is selected from units which are formed by five-membered or six-membered aromatic units and have branched structures, the Core is a modifying unit having a kernel function, the FG is a modifying unit having a terminal function, the m is the degree of branching of the B and is selected from a group consisting of 2 or 3, and the n is the iteration times of repeating units and is selected from a group consisting of 1,2,3 or 4. The three-dimensional tree-shape conjugated compound provided by the invention can selectively combines with semiconductor-type carbon nanotubes and can be used as a dispersing agent for selectively dispersing the semiconductor-type carbon nanotubes. The complex formed by the three-dimensional tree-shape conjugated compound and carbon nanotubes has a good semiconductive property and can be applied to large-scale commercial production of high-property ink which can be used to print semiconductor carbon nanotubes, and high-property electron devices for printing, such as superior-property semiconductor devices of printing film transistors.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Double-frequency liquid crystal material having low critical frequency

ActiveCN104130782ALow critical frequencyWide liquid crystal phase temperatureLiquid crystal compositionsNon-linear opticsLiquid crystallineBenzene
The invention discloses a double-frequency liquid crystal material having low critical frequency. The double-frequency liquid crystal material comprises 20.0-25.0% of an ingredient A, 20.0-25.0% of an ingredient B, 17.5-22.5% of an ingredient C, 7.5-12.5% of an ingredient D, 7.5-12.5% of an ingredient E, 5.0-10.0% of an ingredient F and 5.0-10.0% of an ingredient G, and the above material are melt and mixed. The ingredient A comprises a series of derivatives having cyclohexylfluorodiphenylacetylene skeleton structures, the ingredient B comprises a series of derivatives having fluorodiphenylacetylene skeleton structures, the ingredient C comprises a series of derivatives having cyclohexylbenzene ring skeleton structures, the ingredient D comprises a series of derivatives having diphenylacetylene skeleton structures, the ingredient E comprises a series of derivatives having three-ring monoester lateral fluoro-group-containing cyano-terminated skeleton structures, and the ingredient F comprises a series of derivatives having three-ring diester lateral dicyano-containing skeleton structures. The double-frequency liquid crystal material has low critical frequency, wide liquid crystalline phase temperature and low viscosity and can be used for preparation of a double-frequency driven liquid crystal device having low work voltage and fast response rate.
Owner:PEKING UNIV

Organic metal complex, synthesis method and organic light-emitting device thereof

The invention discloses an organic metal complex, a synthesis method and an organic light-emitting device thereof and belongs to the technical field of organic photoelectric materials. Ligands different in Pi conjugation degree are complexed with transition metal ions, ligand groups are bridged through heteroatoms to form a novel organic metal quadridentate complex, conjugation is prolonged, planarity and rigidity of molecules are improved, directional migration of charge is facilitated, and nonradiative transition of the complex in the process of electroluminescence is lowered, so that light-emitting efficiency, thermostability and thermodynamic stability of a material are improved, and the complex can be used as a phosphorescence doping material in organic electroluminescent devices. Synthesis raw materials of the complex are conventional, and the synthesis method is simple and easy to operate. The organic light-emitting device prepared from the organic metal complex is high in light-emitting efficiency, stable in light color and high in membrane stability and thermostability.
Owner:CHANGCHUN HYPERIONS TECH CO LTD

BODIPY dyes for generating near infrared fluorescence in situ as well as preparation method for BODIPY dyes and application of BODIPY dyes

The invention discloses BODIPY dyes for generating near infrared fluorescence in situ as well as a preparation method for BODIPY dyes and an application of BODIPY dyes. A structural formula of the dyes is FORMULA as shown in the specification. Starting from existing dibromo BODIPY, tetrazine is firstly introduced into a BODIPY matrix structure by introducing different groups to a site 2, 2' of BODIPY and increasing conjugation through two-step coupling, so that BODIPY dyes for generating near infrared fluorescence in situ are obtained; maximum ultraviolet absorption wavelength of the BODIPY dyes is 623 nm, and maximum emission wavelength of the BODIPY dyes is 645 nm; the BODIPY dyes emit fluorescence " turn on" exceeding 1000 times, and have a fluorescent quantum yield of 0.36, so that fluorescence of BODIPY is completely quenched; and biomarkers can be made without background markers, and cell imaging without background is realized.
Owner:SHAANXI NORMAL UNIV

Perylene tetracarboxylic dianiline conjugated polymer and preparation method and application thereof

The invention relates to a perylene tetracarboxylic dianiline conjugated polymer which has high solubility and high film forming processing performance and can effectively utilize sunlight and a preparation method and application thereof. The perylene tetracarboxylic dianiline conjugated polymer utilizes high carrier mobility of thiophene [3,2-b] bithiophene and has the advantage of solution processibility. The thiophene [3,2-b] bithiophene is copolymerized with a narrow-band system monomer diazosulfide unit and perylene tetracarboxylic dianiline so as to regulate a band gap of the polymer. An absorption edge of the perylene tetracarboxylic dianiline conjugated polymer is pushed to an infrared and near-infrared region. Decorated perylene tetracarboxylic dianiline have high solubility, strong absorbance and wide adsorption range and can be extended to the near-infrared region. The sunlight utilization rate of the perylene tetracarboxylic dianiline conjugated polymer is improved. The perylene tetracarboxylic dianiline conjugated polymer has excellent charge transfer performance and has wide application prospect in the fields of an organic solar cell and the like.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Triad fullerene derivative and preparation method and application thereof

The invention discloses a triad fullerene derivative and a preparation method and application thereof. The triad fullerene derivative comprises a benzene-substituted methylene fullerene hydrophobic group, a phenylethylene nitrile bonded by a flexible spacer group and having an electrondrawing group and a flexible functional group with a benzene ring trisubstituted. The triad fullerene derivative does not form large-scale aggregation and moreover has excellent heat stability. With adoption of an active layer made from the fullerene derivative, a donator can form a long-course ordered fiber structure, an acceptor can also crystalize effectively, and thus an ideal microstructure having nano-scale phase separation and bicontinuous transportation channels can be obtained finally; due to introduction of the electrondrawing group to the triad fullerene derivative, the LUMO energy level is improved, which is beneficial to improvement of open-circuit voltage of a device; due to integration of the two advantages, the photoelectric converting rate of a solar cell can be improved to a great extent and the preparation process of a device is simplified; moreover, heat-stable active layer and device properties can be achieved and the risk that the device is prone to oxidation and decomposition in post-treatment can be eliminated.
Owner:SUZHOU UNIV

Application of fullerene/metal-fullerene for preparing pharmaceutical product

Provided is an application of a fullerene / metal-fullerene micro / nanomaterial for preparing a pharmaceutical product. The pharmaceutical product has at least one of the following properties: 1) treats a bone marrow suppression; 2) treats at least one of the following conditions caused by the bone marrow suppression: white blood cell count reduction, platelet count reduction, hemo-globin count reduction, and monocyte count reduction; 3) protects a bone marrow cell and / or a hematopoietic cell; 4) able to build up in a bone marrow; 5)protects the liver, spleen, and kidneys; 6) removes a free radical; and 7) improves the performance of an antioxidant system in an organism.
Owner:BEIJING FUNAKANG BIOTECH CO LTD

Compound containing tetrazine polynitrobenzene and synthesis method thereof

InactiveCN1919845ASolve the problem of low heat generationIncrease oxygen balance factorOrganic chemistryNitrated aromatic explosive compositionsSynthesis methodsSingle crystal
The invention discloses a compound with tetrazine multi-nitrobenzol with molecular structural formula as formula I and synthesizing method, which is characterized by the following: realizing the synthesis of tetrazine molecular with rich nitrogen and multinitrobenzol compound; adopting organic solvent in the liquid phase reaction as large-polarity solvent; culturing monocrystalline through fitful polarity solvent.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Thiophene-containing perylene tetracarboxylic diimide copolymer, and preparation method and application thereof

InactiveCN102234366AEnhanced flatness and conjugationHigh carrier mobilityOrganic chemistrySolid-state devicesPhenyl groupBenzene
The invention discloses a thiophene-containing perylene tetracarboxylic diimide copolymer, and a preparation method and application thereof. The thiophene-containing perylene tetracarboxylic diimide copolymer has a general molecular structural formula shown in (I), wherein n is an integer ranging from 1 to 200; R1, R2 and R3, the same or different, are selected from -H, C1-C15 alkyl, and C1-C15 alkoxy benzene or phenyl; R4 and R5, the same or different, are selected from C1-C15 alkyl, C1-C15 alkoxy, and C1-C15 alkoxy benzene or phenyl; and R6 and R7, the same or different, are selected from C1- C15 alkyl, C1-C15 alkyloxy, and C1-C15 alkoxy benzene or phenyl. The thiophene-containing perylene tetracarboxylic diimide copolymer disclosed by the invention has the advantages of high solubility, high carrier mobility, strong absorbance and wide light absorption range, and improves the utilization rate of sunlight. The preparation method of the thiophene-containing perylene tetracarboxylic diimide copolymer is simple in process, high in produce yield, and easy to operate and control.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Use of fullerene structure in preparation of medicaments for treating parkinson's disease

An application of a fullerene structure in the preparation of medications for treating Parkinson's disease. The fullerene structure comprises at least one of the following active ingredient groups: a fullerene, a metallofullerene, and a composition of the fullerene and the metallofullerene; an oil-soluble fullerene, an oil-soluble metallofullerene, and a composition of the oil-soluble fullerene and the oil-soluble metallofullerene; a water-soluble fullerene, a water-soluble metallofullerene, and a composition of the water-soluble fullerene and the water-soluble metal-lofullerene; the medicinal esters of the nine elements, or the medicinal salts of the nine elements.
Owner:BEIJING FUNAKANG BIOTECH CO LTD

Boron-containing fused ring compound and electronic device

The invention relates to the technical field of organic photoelectric materials, in particular to a boron-containing compound and an organic electroluminescent device. According to the boron-containing compound (formula I) disclosed by the invention, rigid aniline (such as iminodibenzyl) and other structures are introduced into a skeleton, so that the rigidity of the whole molecule is further enhanced, and the performance of the material is further improved by carrying out structural modification on the periphery of the rigid skeleton. The boron-containing fused ring compound disclosed by the invention has relatively narrow luminescence peak, excellent film-forming property and thermal stability and relatively high fluorescence quantum yield, and can be used for preparing an organic electroluminescent device. In addition, the boron-containing fused ring compound can be used as a constituent material of a light-emitting layer, and can reduce driving voltage and improve efficiency, brightness, service life, color purity and the like. In addition, the preparation method of the boron-containing fused ring compound is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:UNIV OF SCI & TECH OF CHINA

Tree-based organic dyestuff based on carbazole or triphenylamine derivatives and application thereof in preparation of dye-sensitized solar cell

ActiveCN103450700AInhibit molecular aggregationEnhanced photostability and electron transport propertiesLight-sensitive devicesAzo dyesElectron transmissionPerylene derivatives
The invention discloses tree-based organic dyestuff based on carbazole or triphenylamine derivatives. The chemical general formula of the tree-based organic dyestuff is as shown in the specifications. The invention also discloses an application of the tree-based organic dyestuff based on the carbazole or triphenylamine derivatives in the preparation of a dye-sensitized solar cell. The tree-based structure of the dyestuff can be used for ensuring the bathochromic-shift of absorption spectrums by adding donors and prolonging conjugates and effectively inhibiting the molecular aggregation caused by the dyestuff absorbed on TiO2, and meanwhile, dyestuff molecules contain multiple thiophene or derivatives of the thiophene, so that the light stability and the electron-transport property of the organic dyestuff are enhanced. The organic dyestuff can serve as a photosensitizer to be used for preparing the dye-sensitized solar cell and has high conversion efficiency.
Owner:SUN YAT SEN UNIV

Dibenzothiophene copolymer containing diazosulfide unit as well as preparation method and application of dibenzothiophene copolymer

The invention belongs to the field of an organic semiconductor material, and discloses a dibenzothiophene copolymer containing a diazosulfide unit as well as a preparation method and application of the dibenzothiophene copolymer. The copolymer has the following structure general formula, wherein in the formula, n is an integer of 10-60, R1 and R2 are identically or differently H and C1-C16 alkyls; R3 and R4 are identically or differently H, C1-C16 alkyls or C1-C16 alkoxys; R5 and R6 are identically or differently represented by H or C1-C16 alkyls, C1-C16 alkoxys or F. By adopting the dibenzothiophene copolymer containing the diazosulfide unit, a copolymer molecule of 'weak donor-strong acceptor' is formed by copolymerization of a thionaphthene monomer and other strong acceptor units (diazosulfide), so that the utilization rate of the material on the sunlight is improved.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

Functional modified branch-shaped conjugated compounds, ink, membranes and applications

InactiveCN107459529AEnhance conjugationModulation of molecular orbital energy levelsSilicon organic compoundsSolid-state devicesChemical compoundRepeat unit
The invention discloses functional modified branch-shaped conjugated compounds, ink, membranes and applications. The branch-shaped compounds have structures represented by a formula (I) or (II), wherein B is a branched conjugated link unit, and the B is selected from a unit which is formed by a five-membered or six-membered aromatic unit and has a branched structure; Core is a kernel functional modified unit; FG is a tail-end functional modified unit; m is a branching degree of the B, and m is selected from 2 or 3; and n is a number of an iteration time of a repeating unit, and n is one selected from 1, 2, 3, and 4. The invention also discloses the ink, the membranes, preparation methods of the ink and the membranes and applications, wherein the ink and the membranes are based on the branch-shaped conjugated compounds, the applications comprises an application in photoelectric response devices. The branch-shaped conjugated compounds provided by the invention have the advantages of high molecular weights, good solution workability, single and decided molecular structures, narrow spectrum band gaps, good sunlight spectral response in a long-wave direction, easiness to material purification, good repeatability and the like, and the branch-shaped conjugated compounds are more beneficial for applications in organic semiconductor devices.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Thianthrene-containing pentabasic condensed nucleus unit derivative and its synthetic method and application

The invention discloses a thianthrene-containing pentabasic condensed nucleus unit derivative and its synthetic method and an application. The thianthrene-containing pentabasic condensed nucleus unitis obtained by performing ring closure on a ternary condensed nucleus unit and benzene derivative after coupling. In the invention, the thianthrene-containing pentabasic condensed nucleus unit is a pentabasic ring combination structure, and is good for improving the output and thermal stability of molecular fluorescence quantum. The thianthrene IN THE thianthrene-containing pentabasic condensed nucleus unit derivative can improve the molecular hole transport performance; besides, the thianthrene has a non-planer structure and can maintain the molecular singlet state and three-line state gradewhile inhibit the molecule piling. The thianthrene-containing pentabasic condensed nucleus unit derivative can be used as an organic lighting or main body material; through evaporation and solution process, the organic lighting diode is prepared.
Owner:SOUTH CHINA INST OF COLLABORATIVE INNOVATION

Thermally activated delayed fluorescence material, preparation method thereof and organic electroluminescent device

The invention relates to a thermally activated delayed fluorescence material, a preparation method thereof and an organic electroluminescent device. The preparation method comprises the following steps: adding a catalyst, an alkaline substance and a solvent into a first reactant and a second reactant, wherein the first reactant is a bromide of cyclopenta[def]fluorene-4,8-dione; carrying out a substitution reaction on the first reactant and the second reactant to obtain a reacted solution; and carrying out impurity removal treatment on the reacted solution to obtain the thermally activated delayed fluorescence material with a structural general formula shown in the specification. Cyclopenta[def]fluorene-4,4'-dicarboxylic acid is used as a receptor unit, the triplet state energy level of thereceptor unit can be reduced, and the intramolecular charge transfer state property of the receptor unit can be enhanced to achieve luminescent red shift of molecules; and in addition, the interaction between luminescent molecules is reduced by adjusting the number of donor units and the binding positions of the donor units and the receptor unit, so the light extraction efficiency of the luminescent molecules is improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Copolymer containing cyclopentadiene bithiophene-benzo-bis (benzothiadiazole) and preparation method and application thereof

A benzo-bithiophene copolymer containing a 2-thiazole unit has the following structural formula: P: (shown in the Specification), wherein the R1, R2, R5 and R6 are H or alkyls from C1 to C16; the R3 is an alkyl from C1 to C16, an alkoxy group from C1-C16 or thiophene (R is an alkyl from C1 to C16) having a structural formula shown in the Specification, and R4 is H, an alkyl from C1 to C16 or an alkoxy group from C1 to C16; the n is an integer from 1 to 60. The benzo-bithiophene copolymer containing the 2-thiazole unit has a relatively narrow energy gap. The invention further provides a preparation method of the benzo-bithiophene copolymer containing the 2-thiazole unit as well as solar battery devices, organic electroluminescent devices and organic field effect transistors, which adopt the benzo-2 bithiophene copolymer containing a 2-thiazole unit.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

A kind of conjugated polyacetylene containing perylene imide and preparation method thereof

The present invention provides a peryleneimide-containing conjugated polyacetylene, which comprises formula (I) polyacetylene (PA) homopolymer containing peryleneimide (PBI) and formula (II) containing peryleneimide The polyacetylene copolymer acceptor (n‑type) material. The invention also provides its preparation method. The conjugated polyacetylene containing peryleneimide provided by the present invention has excellent photoelectric properties, good thermal stability and environmental stability, and the preparation method is simple and easy, and can be achieved by flexible transformation of substituents on PBI. The energy level matching between materials can realize the regulation of photoelectric performance, which has broad application prospects in the field of photoelectric devices and other fields.
Owner:EAST CHINA NORMAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products