55results about How to "Enhance conjugation" patented technology

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.

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.

One embodiment relates to methods for the enzymatic functionalization of immunoglobulins, in particular with drugs. Also disclosed herein are linking reagents, functionalized antibodies, pharmaceutical compositions, and method of treating disease and/or conditions.

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.

The invention relates to a novel compound and an organic electroluminescent device including the same. According to a novel compound provided by one embodiment of the invention, a oinking group is arranged between a second position of fluorine and arylamine, the arylamine has a substituent having more than two aryl groups and a phenyl substitute, and an organic electroluminescent device includingthe same can realize low voltage, high efficiency and long life.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.