12 results about "Polythiophene derivative" patented technology

This application discloses a solar cell, a photovoltaic device, an electrical appliance, and a power generation device. The solar cell includes at least a first light-absorbing layer and a hole transport layer, wherein the hole transport layer comprises polythiophene derivative molecules. The polythiophene derivative molecules possess good molecular arrangement and hole transport capability. The ester groups in the polythiophene derivative molecules can modulate the HOMO energy levels of the material without disrupting the molecular arrangement of the polythiophene derivative itself, thereby better matching the molecular energy levels of the hole transport layer and the first light-absorbing layer, thus improving the photoelectric conversion efficiency of the solar cell.

The invention discloses positive lead paste with high active substance utilization rate and a preparation method thereof, and relates to the technical field of positive lead paste of lead storage batteries. The positive lead paste comprises 100 parts of lead powder, 6 to 8 parts of red lead, 0.1 to 0.2 part of graphite, 0.1 to 0.2 part of stannous mono-sulphate, 0.05 to 1 part of antimony trioxide, 0.2 to 0.8 part of short fiber, 0.1 to 0.2 part of sulfonic polythiophene derivative additive, 5 to 15 parts of sulfuric acid and 1 to 10 parts of water. By adding the sulfo polythiophene derivative as an additive, the prepared positive lead paste has good electrochemical oxidation-reduction performance, and can promote the improvement of the conversion efficiency of positive active substances, effectively reduce the resistance of a lead-acid battery, improve the initial performance of the lead-acid battery and prolong the cycle life of the lead-acid battery when being applied to the lead-acid battery; and contributions are made to the development of lead-acid batteries.

The invention discloses a polytetrafluoroethylene static conductive sealing ring which comprises the following components in parts by mass: 60-80 parts of polytetrafluoroethylene resin; 10 to 20 parts of nano boron carbide-graphene composite conductive filler; 3 to 8 parts of silane coupling agent modified glass fiber; 3-8 parts of nano nickel-coated silicon carbide composite powder; 2 to 6 parts of a graphene-carbon nanotube composite conductive agent; 1-4 parts of a polythiophene derivative; 0.5 to 2 parts of a coupling agent; 1-3 parts of a molybdenum disulfide lubricant; the static electricity conducting sealing ring has excellent static electricity conducting performance, the nanometer boron carbide-graphene composite conductive filler is introduced, so that the sealing ring has low surface resistance and volume resistance, static electricity can be effectively removed, and safety accidents caused by static electricity accumulation are avoided; meanwhile, the nano nickel-coated silicon carbide composite powder, the graphene-carbon nanotube composite conductive agent and the polythiophene derivative cooperate to construct an efficient conductive path, so that the surface resistivity of the sealing ring is low, static electricity can be quickly released, and a high-requirement static electricity control environment is met.

The invention discloses a carbon quantum dot photosensitizer, an extracellular vesicle prepared from the carbon quantum dot photosensitizer and application of the carbon quantum dot photosensitizer. The carbon quantum dot photosensitizer is prepared by a method comprising the following steps: uniformly dispersing a polythiophene derivative in a sodium hydroxide aqueous solution to obtain a solution A; heating the solution A for reaction; and after the reaction is finished, cooling to room temperature, taking out the solution, and filtering and dialyzing to obtain the carbon quantum dot photosensitizer. According to the technical scheme, the problems that extracellular vesicles are complex and tedious in preparation and difficult in mass production are solved, and the method is simple in process, good in universality, low in time consumption and low in cost.

This invention discloses an alumina / zinc oxide co-doped polythiophene derivative conductive film, its preparation method, and its applications. The preparation method includes the following steps: reacting diethylzinc vapor and water vapor with an initial polythiophene derivative film, repeating this process several times to obtain a zinc oxide-doped polythiophene derivative film; then reacting trimethylaluminum vapor and water vapor with the zinc oxide-doped polythiophene derivative film, repeating the above steps to obtain an alumina / zinc oxide co-doped polythiophene derivative film. This process eliminates the influence of the liquid phase environment on the morphology and structure of the polymer film, and also allows for precise control of the doping amount of various precursor molecules within the polymer matrix. The preparation method disclosed in this invention has the advantages of simple operation, controllable doping process, and stable structure and properties of the modified polymer film, significantly improving the electrical conductivity of the material after modification.

The invention discloses a preparation method and application of a mercury ion sensor, and the preparation method comprises the following steps: sensor preparation: sequentially taking two polythiophene derivatives p-BTH and p-BN, respectively dissolving the polythiophene derivatives in N, N-dimethylformamide, adding acetylacetone and absolute ethyl alcohol, and carrying out ultrasonic treatment; transferring the materials into a reaction kettle, heating for reaction, slowly cooling to room temperature, centrifuging, taking supernate, filtering and purifying the solution by using a microporous membrane, and taking out for later use; the two kinds of prepared polythiophene modified carbon quantum dots are sequentially named as CD-BTH and CD-BN; fitting a standard curve to obtain an Hg < 2 + > detection standard curve of the CD-BTH and an Hg < 2 + > detection standard curve of the CD-BN. The sensor prepared by the synthesis method disclosed by the invention has the advantages of high sensitivity, high selectivity, capability of implementing dynamic monitoring, relatively simple equipment maintenance and low cost, is suitable for large-scale use in detection of forbidden substances in the automobile industry, and can implement large-scale and rapid detection on mercury ions. Compared with a traditional detection method, the detection cost is reduced for enterprises.

A solid electrolytic capacitor includes a porous body including a valve metal, a dielectric layer formed on a surface of the porous body, a first conductive layer covering the dielectric layer, a second conductive layer laminated on the first conductive layer, a carbon layer laminated on the second conductive layer, and a silver layer laminated on the carbon layer. The first conductive layer contains one or more substances selected from the group consisting of polyaniline, polyaniline derivatives, polythiophene, polythiophene derivatives, polypyrrole, and polypyrrole derivatives, and the second conductive layer contains polyaniline or a polyaniline derivative.

The present application relates to the technical field of inorganic anion pollutant detection, and particularly relates to a cationic polythiophene derivative for detecting and removing Cr(VI) and a method thereof.The cationic polythiophene derivative has good water solubility, and presents obvious specificity in detection, and can sensitively detect Cr(VI).The compound with the structure exhibits different states to external stimulation in the conformation and aggregation state in the solution, and further causes the change of optical properties.The method utilizes the color change and fluorescence intensity change of the solution caused by the reaction of the polythiophene and Cr(VI) to detect Cr(VI), and removes the polythiophene derivative-Cr(VI) compound after the reaction through a removal system.The detection method has high specificity and sensitivity, supports visual detection, the recovery method provided is simple to operate, has wide application range, and can realize synchronous double-mode detection and removal of Cr(VI) in water.

The present application relates to the technical field of pollutant detection, in particular to a cationic polythiophene derivative for detecting and removing anionic surfactant and a method thereof. The probe molecule made of the cationic polythiophene derivative provided by the present application can be combined with anionic surfactant to cause the change of solution color and optical property, and can directly perform specific and sensitive colorimetric and fluorescent sensing on anionic surfactant. Meanwhile, the removal of anionic surfactant in water can be realized by using the aggregation of molecular structure after the combination of the probe molecule and anionic surfactant. The probe molecule developed by the present application has the advantages of stable structure, good water solubility, rapid response and the like, and can realize the synchronous dual-mode detection and removal of anions in water.

The invention discloses a polythiophene derivative film as well as a preparation method and application thereof, and belongs to the field of organic photoelectric materials. The polythiophene derivative in the polythiophene derivative film prepared by the invention has a structure as shown in a formula (I); wherein R is a natural number from 1 to 10000, and n is a natural number from 1 to 10000. Compared with the traditional spraying technology, the polythiophene derivative film prepared by the method shows more excellent film electrochromic performance, specifically, the optical contrast ratio and the stability are obviously improved, and the frosted appearance is not shown.

The application relates to the field of persistent pollutant detection and repair, in particular to a cationic polythiophene derivative for detecting and removing perfluorinated compounds and a method thereof. The provided cationic polythiophene derivative has good water solubility and presents obvious specificity in detection, can sensitively detect perfluorinated compounds, and the compounds shown in formula (I) and formula (II) exhibit different states to external stimulation in the conformation and aggregation state in solution, thereby causing the change of optical properties. The detected and removed perfluorinated compounds include short-chain perfluoroalkyl carboxylic acids (perfluorobutyric acid PFBA, perfluorohexanoic acid PFHxA), long-chain perfluoroalkyl carboxylic acids (perfluorooctanoic acid PFOA, perfluorododecanoic acid PFDoA), short-chain perfluoroalkyl sulfonic acids (trifluoromethyl sulfonic acid TFMS, perfluorobutyl sulfonic acid PFBS, perfluorohexyl sulfonic acid PFHxS), and long-chain perfluoroalkyl sulfonic acids (perfluorooctyl sulfonic acid PFOS).

The invention relates to a production process of an antistatic BOPP waste discharge adhesive tape for an electronic device, and belongs to the technical field of adhesive tape production. The BOPP film is sequentially subjected to plasma treatment, alcohol degreasing and hot air drying pretreatment; the preparation method comprises the following steps: mixing a polythiophene derivative, nano tin antimony oxide, a silane coupling agent, a thickener hydroxyethyl cellulose and deionized water, stirring, and ultrasonically dispersing to obtain an antistatic primer solution; the single face of the pretreated BOPP film is coated with the anti-static bottom coating liquid in a micro-concave coating mode, baking is conducted, and an anti-static bottom coating layer is formed; coating a pressure-sensitive adhesive on the surface of the antistatic bottom coating in a comma blade coating manner, and pre-drying; and compounding the film coated with the pressure-sensitive adhesive with a release film, curing, slitting and rolling to obtain the antistatic BOPP waste discharge adhesive tape for the electronic device. The prepared adhesive tape is excellent in antistatic performance and high in permanent adhesion and peel strength, meets the requirements of no adhesive falling and no adhesive residue in the waste discharge process, and meets the processing requirements of precise electronic devices.