38 results about "Poly-N-vinylcarbazole" patented technology

An organic transistor is capable of emitting light at high luminescence efficiency, operating at high speed, handling large electric power, and can be manufactured at low cost. The organic transistor includes an organic semiconductor layer between a source electrode and a drain electrode, and gate electrodes shaped like a comb or a mesh, which are provided at intervals approximately in the central part of the organic semiconductor layer approximately parallel to the source electrode and the drain electrode. The organic semiconductor layer consists of an electric field luminescent organic semiconductor material such as compounds of naphthalene, anthracene, tetracene, pentacene, hexacene, a phthalocyanine system compound, an azo system compound, a perylene system compound, a triphenylmethane compound, a stilbene compound, poly N-vinyl carbazole, and poly vinyl pyrene.

Disclosed are multilayered resist structures including bilayer and top surface imaging which utilize tuned underlayers functioning as ARCs, planarizing layers, and etch resistant hard masks whose properties such as optical, chemical and physical properties are tailored to give a multilayer resist structure exhibiting high resolution, residue free lithography and methods of preparing these materials. These underlayer films include the group consisting of novolac based resists whose processing conditions are controlled, polyarylsulfones such as the BARL material, polyhydroxystyrene based derivatives, an example being a copolymer of polyhydroxystyrene and polyhydroxystyrene reacted with anthracenemethanol that contains a cross-linker, and acid catalyst (thermal acid generator), polyimides, polyethers in particular polyarylene ethers, polyarylenesulfides, polycarbonates such as polyarylenecarbonates, epoxies, epoxyacrylates, polyarylenes such as polyphenylenes, polyarylenevinylenes such as polyphenylenevinylenes, polyvinylcarbazole, cyclicolefins, and polyesters. Such films have index of refraction and extinction coefficient tunable from about 1.4 to about 2.1 and from about 0.1 to about 0.6 at UV and DUV wavelengths, in particular 365, 248, 193 and 157 nm and EUV. Moreover, underlayer films produced in the present invention do not interact with the resist limiting interfacial mixing and contamination of resist by an outgassing product. The bilayer and TSI resist structures can be used for 248, 193, 157, EUV, x-ray, e-beam, and ion beam technology.

The invention relates to a polyvinyl carbazole / graphene composite material and a synthetic method and an application thereof. The synthetic method comprises the following steps: firstly oxidizing natural graphite to obtain graphite oxide; grafting an initiative and reversible addition-fragmentation chain transferred and polymeric group on the surface of the graphite oxide; and finally initiating a polymerization reaction of the N-vinyl carbazole on the surface of the graphite oxide by virtue of an initiating group to obtain the polyvinyl carbazole / graphene composite material via different reducing agents. The invention has remarkable characteristics as follows: the condition for initiating reversible addition-fragmentation chain transfer and polymerization on the surface is simple, the operation is easy, the polyvinyl carbazole can be firmly combined on the surface of the graphene by a covalent bond, controllable synthesis of macromolecular weight and molecular weight distribution can be achieved, the compatibility of the two materials can be effectively improved to a certain degree, and the current carrier transmission performance of the composite material is improved, thus having better application prospect and better economic benefits in the photoelectric information material field.

An optical element having a diffraction shape uses an optical material comprising at least N-vinylcarbazole, polyvinylcarbazole, and the light polymerization initiator. By using such optical material, it is possible to suppress crystallization of the optical material during molding even at room temperature and appropriately control the dropping amount suited for replica molding. It is possible to provide the optical material also suited for replica molding at room temperature by setting a ratio of N-vinylcarbazole to polyvinylcarbazole, i.e. N-vinylcarbazole / polyvinylcarbazole, to a range between 90 / 10 and 70 / 30.

The invention discloses a lithium-sulfur battery cathode composite material and a preparation method thereof. According to the cathode composite material, elemental sulfur is cladded by an electric-conduction polymer poly(N-vinylcarbazole), the sulfur cathode material is guaranteed to have good electric conductivity, also sulfur and electro-discharge products thereof are constrained in the sulfur cathode material, so that relatively high sulfur utilization rate and cycling stability are obtained. According to the technical scheme, the disadvantages of sulfur as a lithium ion secondary cell cathode material are overcome, the lithium-sulfur battery cathode composite material, which is long in cycling life, high in capacity, green, environment-friendly, and simple in method, is prepared. The preparation method is simple, equipment is simple, raw material source is wide, cost is low, and the preparation method is in favor of industrial production.

The invention relates to a synthetic method of a polyvinylcarbazole / graphene composite material with the storage effect, which comprises the following steps: firstly preparing functionalized graphite oxide, further blending and dispersing polyvinylcarbazole and the functionalized graphite oxide in an organic solvent, finally adopting different reducing agents for reduction, and obtaining the polyvinylcarbazole / graphene composite material. The polyvinylcarbazole / graphene composite material with the storage effect has the following significant characteristics: 1) the preparation method can uniformly disperse the graphite oxide and the polyvinylcarbazole in the organic solvent through the functionalization of the graphite oxide, the experimental conditions are simple, and the operation is easy; 2) grapheme with excellent performances is introduced in the conductive polymer polyvinylcarbazole as an electron acceptor, thereby improving the transmission performance of a current carrier of the composite material and having better application prospects and economic benefits in the field of optoelectronic information materials.

The present invention provides a modified polyvinyl alcohol carbazole material, a method and application thereof, and the invention to the field of the organic photovoltaic material, and specifically to a modified polyvinyl alcohol carbazole material, a preparation method thereof and the application in organic electronic field like the organic flash device and the organic active display. The material has the structure shown as the right formula, and has (1) simple synthesizing steps, mild synthesizing conditions; (2) special electronic structures and photoelectric property like the flash electronic bistable effect; and (3) the advantages of keeping a high thermal stability and glass temperature. Conceivably, the series of materials will be organic photovoltaic functional materials with a commercialization future.

The invention belongs to the field of photoelectric functional materials and particularly relates to a vinyl polymer main body material obtained through functionally modifying PVK (Polyvinyl Carbazole) with an electron donor group and an electron acceptor group separately. On the basis of a series of characterizations of properties of optics, electrics, electrochemistry and the like of a polymer, the polymer is applied to the field of organic luminescence, and a series of efficient luminescent devices are successfully manufactured. Taking polymer main body materials, i.e., PTPACzPO and PVPPOK for example, the polymer main body materials adopt the traditional hole-transport material PVK (Polyvinyl Carbazole) as a skeleton, and charge carrier transport performance better than that of PVK is obtained through a series of molecular modifications.

The invention discloses a polyphenyl ether material for an outer sheath of a power line in a humid environment and a preparation method for the polyphenyl ether material. The polyphenyl ether material is prepared from the following raw materials in parts by weight: 31-46 parts of polyphenyl ether, 23-37 parts of polyhydroxybenzoate, 18-29 parts of polyvinyl carbazole, 8-12 parts of phosphonitrilic chloride trimer, 5-10 parts of organic silicon resin microspheres, 2-4 parts of parachlormetaxylenol, 3-6 parts of dihydroxyaluminium stearate, 15-20 parts of nickel slag micropowder, 10-15 parts of cetyl pyridine bromide, 2-4 parts of 2-nitro biphenyl, 3-6 parts of jojoba oil, 5-10 parts of glycol phenylate acetate, 4-7 parts of sodium tungstate, 2-3 parts of barium myristate, 1-2 parts of barium laurate, 15-20 parts of calcined barium laurate micropowder and 10-15 parts of flame-retardant particles. The outer sheath material disclosed by the invention has excellent water resistance, damp and mildew resistance, corrosion resistance, flame retardance, aging resistance and mechanical properties and fully satisfies the using requirement of the humid environment.

A spin-coated polymer microcavity for light emitters and lasers producing enhancement of spontaneous emission rate from colloidal CdSe / ZnS core / shell quantum dots embedded in a one dimensional polymer microcavity structure at room temperature. The polymer microcavity structures are fabricated using spin coating. Alternating layers of polymers of two different refractive indices were stacked to form the Distributed Bragg reflectors (DBRs). To achieve high reflectivity, the polymers for the DBR structures were chosen so that they have a relatively high refractive index ratio. The high and low refractive index polymers chosen were poly-N(vinylcarbazole) (PVK) and poly acrylic acid (PAA), with refractive indices of 1.683 and 1.420 at 600 nm, respectively. Thin films of quarter wavelength thickness of the two polymers are alternately spin coated on a glass substrate to make the DBR structures. Greater than 90% reflectivity is obtained using ten periods of the structure. A PVK cavity layer of λ thickness embedded with CdSe / ZnS core / shell quantum dots is sandwiched between two of these DBRs to form the entire microcavity structure. The bottom and top DBRs comprise ten and five periods, respectively.

The invention belongs to the field of an organic-inorganic composite material and particularly relates to a polyvinyl carbazole intercalated hydrotalcite fluorescent film and a preparation method thereof. The poly(N-vinyl carbazole) and p-tert-butyl benzoic acid radical intercalated hydrotalcite film has a supermolecular structure, the crystal structure of the poly(N-vinyl carbazole) and p-tert-butyl benzoic acid intercalated hydrotalcite film is a crystal structure of hydrotalcite-like materials, the chemical formula of the poly(N-vinyl carbazole) and p-tert-butyl benzoic acid intercalated hydrotalcite film is [(M<2+>)[1-x>](M<3+>)][x](OH)2]<x+>(PTBBA<->)[x](PVK)[y].mH2O. By utilizing a benzene ring-enriched hydrophobic environment provided by p-tert-butyl benzoic acid radicals among hydrotalcite layers, the poly(N-vinyl carbazole) with excellent fluorescence property can be assembled among the hydrotalcite layers, in-situ polymerization can be realized under the irradiation of a mercury lamp, and the poly(N-vinyl carbazole) intercalated hydrotalcite film material can be prepared. The material is stable in intercalated structure, high in mechanical strength, and strong in corrosion resistance, obvious fluorescence is seen in a visible light area, and the polyvinyl carbazole intercalated hydrotalcite fluorescent film has wide application prospects as an optical material.

The invention discloses a method for improving the thermal stability of alpha-AlH3, which comprises the following steps: carrying out acid pickling treatment on alpha-AlH3, and coating the acid-pickled alpha-AlH3 with a carbazole group-containing polymer to improve the thermal stability of alpha-AlH3; wherein the carbazole group-containing polymer is a single component or a mixed component of polyvinyl carbazole, poly(9-vinylcarbazole), poly(n-vinylcarbazole) and poly(N-ethyl-2-vinylcarbazole). According to the method for improving the thermal stability of the alphaAlH3, the thermal stabilityof the alpha-AlH3 is further improved on the basis of acid pickling, the alpha-AlH3 treated by the method has a lower decomposition rate, and the thermal stability is improved. The product can serve as a solid propellant fuel. The method is carried out at normal temperature and is safe, reliable and suitable for large-scale production.

The method of manufacturing a nonvolatile memory device includes forming a lower conductive layer on a substrate; forming a first conductive organic layer on the substrate using spin coating; forming a metal layer for forming nanocrystals on the first conductive organic layer, the metal layer partially overlapping the first conductive organic layer; forming a second conductive organic layer on the first conductive organic layer using spin coating; transforming the metal layer into nanocrystals by curing; and forming an upper conductive layer on the second conductive organic layer, the upper conductive layer partially overlapping the nanocrystals. The conductive organic polymer may be poly-N-vinylcarbazole (PVK) or polystyrene (PS).

The invention relates to the field of buildings, in particular to concrete for the buildings. The concrete comprises the following components as raw materials in parts by weight: 80-100 parts of silicate cement, 60-80 parts of sulphoaluminate cement, 50-70 parts of phosphate cement, 40-60 parts of gravel, 50-80 parts of river sand, 5-15 parts of rubber powder, 4-15 parts of gypsum, 3-12 parts of plant fiber, 13-28 parts of polyvinylcarbazole, 1-6 parts of cubic boron nitride particles, 2-25 parts of polyvinyl ether, 3-18 parts of alkenyl succinic acid, 5-23 parts of petroleum sulfonate, 7-17 parts of anti-rust oil and 500-1000 parts of water. Through addition of the alkenyl succinic acid, the petroleum sulfonate and the anti-rust oil, the corrosion resistance of the concrete can be improved; through addition of the plant fiber, the tensile strength of the moulded concrete is improved; through addition of the cubic boron nitride, the hardness of the moulded concrete is improved; throughaddition of the polyvinylcarbazole, the heat preservation effect of the concrete is improved.

The invention discloses a wide-spectrum solar cell material and a preparation method thereof; the wide-spectrum solar cell material comprises the following raw materials: fullerene, graphite, siliconcarbide, silicon nitride, erbium oxide, indium tin oxide, poly-p-phenylene vinylene, oligomerization thiophene, tetrathiophene porphyrin, polyvinyl carbazole, polypyrrole, polyaniline, cyclopentenyldithiophene, benzothiadiazole, 1, 8-octyldisulfide, tribasic lead sulfate, sebacic acid double (2, 2, 6, 6 tetramethylbenzene-4-piperidine ester), dibutyltin dilaurate, lauric acid maleic anhydride dibutyl tin, phenyl salicylate and carbon black, wherein the wide-spectrum solar cell material is prepared by the steps of preparing a copolymer, preparing a modified material, mixing, heating and stirring the copolymer and the modified material. The wide-spectrum solar cell material has excellent light conversion efficiency.

The invention discloses a corrosion-resistant anaerobic adhesive. The anaerobic adhesive is prepared from the following components in parts by weight: 15 to 28 parts of ethyl lactate, 22 to 38 parts of (S)-(-)-beta-hydroxy-benzenepropanoic acid ethyl ester, 30 to 45 parts of 2-(4-hydroxy phenoxy) ethyl propionate, 35 to 58 parts of 2-aryl propionic acid, 20 to 33 parts of (2R,3S)-2,3-dyhydroxyl-3-ethyl 3-phenylpropionate, 5 to 18 parts of poly-n-vinylcarbazole and 30 to 46 parts of vinyl chloride-methyl acrylate plastics. In the mode, the corrosion-resistant anaerobic adhesive is good in corrosion resistance and tight in locking, and can meet requirements.

The invention discloses a flexible electroluminescence composite material and a preparation method thereof. The composite material comprises a flexible matrix coated with a conducting layer, wherein the conducting layer is coated with a dielectric layer, and the dielectric layer is coated with a luminous layer, wherein the luminous layer is made of a mixture of a luminous material, graphene and polyvinyl carbazole. The flexible electroluminescence composite material is simple in preparation; the polyvinyl carbazole and the graphene are introduced in the luminous layer, so that the luminous layer cannot be damaged when coated on the flexible matrix; various commercial inorganic luminous materials are directly used as the luminous material and can be excited by utilizing alternating-current current to give out light, so that the flexible electroluminescence composite material is energy-saving, long in service life, stable in luminescence, bendable, foldable, capable of being cut, and good in flexibility. The composite material can be made into various device materials, can be used as a lighting source, and is adjustable in luminous color, wide in luminous material application range, good in application prospect and particularly suitable for the requirement of the environment development at present.

The invention provides a preparation method of a polyvinyl carbazolyl gel polymer electrolyte capacitor. The method includes the steps: according to a sequence of electrode / membrane / electrode, sequentially overlaying and coiling, and mounting in a capacitor shell; preparing a mixed electrolyte; injecting the mixed electrolyte and packaging. According to the preparation method of the polyvinyl carbazolyl gel polymer electrolyte capacitor, a pyrrolidine ion liquid electrolyte, a vinylcarbazole monomer and an initiator are only needed to be proportionally prepared into a mixed solution which is injected into the capacitor shell, then packaging is performed prior to polyreaction, and accordingly the polyvinyl carbazolyl gel polymer electrolyte capacitor can be obtained. The method is simple in technology, the gel polymer electrolyte and electrode materials are enabled to have excellent compatibility, real surface contact area of the gel polymer electrolyte and electrodes is enlarged effectively, internal resistance is reduced effectively, and accordingly shortcomings in the prior art are overcome effectively. In addition, the method is easily controllable in conditions, low in cost, high in safety, environmentally friendly and suitable for large-scale popularization and application.

The invention discloses a high-potential high-capacity organic polymer anode material and a preparation method and application thereof. The material comprises a raw material of polyvinyl carbazole. The organic polymer material polyvinyl carbazole is used for preparing the sodium ion battery anode material, so that the cost of the raw material is further reduced, and the battery cost is effectivelysaved.

The invention relates to a modified polyvinyl carbazole high-polymer luminescent material and a preparation method thereof, belonging to the technical field of organic luminescent materials. The average molecular weight of the high-polymer luminescent material is 11000, the molecular weight distribution is 1.2 or so, and the decomposition temperature is 410 DEG C. The large-volume steric hindrance of the adamantane derivative structure in the synthesis process is utilized to change the spatial arrangement of the polymer, thereby lowering the randomness of the polymer and further enhancing the fluorescence efficiency. The method comprises the following steps: synthesis of 1-phenyladamantane, synthesis of 1-(4-bromophenyl)adamantane, synthesis of 4-adamantylbenzaldehyde, synthesis of 4-adamantyl styrene, and synthesis of modified polyvinyl carbazole high-polymer luminescent material polymer. The method has the advantages of simple technique, low cost, higher yield, high operability and favorable reproducibility. The synthesized adamantane-derivative-based polyvinyl carbazole structure has high heat stability and high fluorescence intensity. The synthesized organic luminescent material has favorable solubility in organic solvents.

The invention provides a method for detecting bacteria. The method utilises a peptide that forms a complex with a conjugated reporter polymer and is susceptible to cleavage by one or more proteases on the surface of a bacteria. Presence or absence of the bacteria can be determined by assessing the optical absorption and / or colour and / or photoluminescence (e.g. fluorescence) of the conjugated reporter polymer, which may undergo a conformational change after binding with the to the cleaved peptide substrate. Specifically, the peptide substrate may comprise a cleavage site for digestion by the protease, and the protease may be an omptin protease. The conjugated reporter polymer may be selected from a polythiophene, a poly(1,4-phenylene vinylene) (PPV), a poly(1,4-phenylene) (PPP), a polyfluorenes (PFO), a nitrogen-containing polymer such as polyquinoline, poly(2,5-pyridinevinylene) (PPyV), 1,3,4-oxadiazole, and poly(9-vinylcarbazole) (PVK), and a polypyrrole. The method may be used to detect contamination in food or water, or as a clinical and / or diagnostic test.

The invention provides a method for preparing a high-color-rendering-index white light device through electric annealing or thermal annealing. The method comprises the steps that indium tin oxide conductive glass serves as an electric-base substrate material, the etching step, the organic layer spin-coating step, the electrode deposition step, the packaging step and the like are completed, a spin-coating material of a luminescent layer is terfluorene instead of polyvinyl carbazole, after spin-coating operation is conducted, the electric annealing or thermal annealing step is conducted. According to the method, the shortages that a white light device in the prior art is complex in preparation technology, high in manufacturing cost, unfavorable for low-price preparation and low in color rendering index are overcome. The high-color-rendering-index white light device is simple in technology and low in manufacturing cost, the organic white light device with a high color rendering index (CRI >=91) can be obtained through the simple thermal annealing or electric annealing method, and the high-color-rendering-index white light device is suitable for large-scale production.

The invention relates to a preparation method of an artificial synaptic device with a nano channel. According to the method, polyvinyl carbazole and styrene are mixed to prepare a precursor solution, then a nanowire array is printed on a prepared semiconductor layer by using high-resolution electrofluid jet printing equipment, and after an electrode is evaporated, the prepared nanowire array is torn down along the edge of a metal electrode by using an adhesive tape to obtain a nano channel. The nano-channel prepared by the method is controllable in size and orderly in arrangement, can be applied to small-size electronic devices, solves the problem of size limitation of the electronic devices prepared in the prior art, has the advantages of simple operation, simple and convenient process and large-scale preparation, and greatly reduces the energy consumption of the artificial synaptic device with the nano-channel.