45 results about "Tetrathiafulvalene" patented technology

The invention relates to a method for detecting hemachrome or hematocrit by making use of electrochemistry and a detection test piece thereof, wherein, the detection method comprises: (1) a sample and reagent are contacted, and the reagent comprises buffer solution, interface active agent and a tetrathiafulvalene electric transmitter modified by cyclodextrine; (2) under the condition of rated electric potential, the electric current generated through the reaction between the hemachrome and the electric transmitter is measured; and (3) the hemachrome concentration in the sample is calculated according to the measured electric current. By making use of the tetrathiafulvalene formed through the modification of the cyclodextrine as the electric transmitter which directly acts with the hemachrome in the sample under condition of rated electric potential, the method can rapidly detect the hemachrome concentration in the full-blood sample or is further used for calculating the hematocrit of the blood sample by making use of the inverse relation between electric quantity value of electric current or electric current and time integral and the hemachrome concentration.

The invention discloses a liquid crystal compound shown as a general formula (I) and a preparation method thereof. The invention aims at providing a tetrathiafulvalene structure based liquid crystal compound and a preparation method thereof, wherein the compound has wide liquid crystalline phase temperature range and single phase change and can form glassy-state liquid crystals in the cooling process. The compound provided by the invention has the general formula (I), wherein R is cholesteryl, and n is 2-5,7. The compound is obtained by carrying out self-coupling reaction on 4,5-bis(cholestenoxycarbonyl-alkylthio)-1,3-dithiole-2-ketone in a triethyl sulfite medium. The compound disclosed by the invention has the characteristics of single phase change, high thermal stability, simpleness in preparation, and the like and has a smectic A phase (Sma, n=2-5) and an ordered hexagonal prism phase (Colho, n=7).

The invention provides an organic semiconductor element and an organic electrode. The organic semiconductor element contains: a source electrode containing a first organic compound layer and a second organic compound layer, at least one of the layers having an organic semiconductor active region; and a drain electrode containing the first organic compound layer and the second organic compound layer, as well as providing an organic electrode, containing: a laminated film, in which a layer of a tetrathiafulvalene derivative expressed by the following general formula I and a layer of an electron accepting compound are laminated.

The invention relates to a large-area organic thin film transistor array preparation method compatible with a roll-to-roll technology. The method comprises a step of: manufacturing a grid, an insulation dielectric layer, an organic small-molecule membrane, a source and a drain on a substrate sequentially; the substep of preparing the organic small-molecule membrane on the insulation dielectric layer is performed by: bonding the lower surface of the substrate onto a vacuum evaporation system roller; and evaporating an organic small-molecule material on the insulation dielectric layer by a vacuum evaporation method under the conditions of a vacuum degree of 1*10<-3>-5*10<-5>Pa and a room temperature environment for 10 to 100 minutes, and preparing the organic small-molecule membrane, wherein the organic small-molecule material comprises acene, copper phthalocyanines and derivatives, thiophene oligomer and a derivative, and a tetrathiafulvalene derivative; and during evaporation of the organic small-molecule material, the roller does rotation motion and translation motion at the same time. The method is simple; a transistor device with high performance index and high mobility can be obtained; furthermore, the utilization efficiency of the raw material and the performance uniformity of the transistor device are high.

A tetrathiafulvalene derivative expressed by General Formula (I): General Formula (I) in General Formula (I), X represents an atom selected from a carbon atom, a sulfur atom, and a nitrogen atom, and Xs may be the same or different; provided that when X is the carbon atom or the nitrogen atom, R1 to R8 each represent one of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted thioalkoxy group, and may be the same or different; and Y1 and Y2 each represent one of structures expressed by General Formulas (II) and (III), and may be the same or different: General Formula (II) General Formula (III).

The invention belongs to the field of materials, and relates to a method for synthesizing tetrathiafulvalene molecule-based micron and / or nano functional materials by a supermolecule self-assembly method. The method comprises the following steps: dissolving tetrathiafulvalene derivatives and inorganic metallic salts into solvents which have different specific gravities and can be mutually dissolved respectively, and making the solvent in which the tetrathiafulvalene derivatives are dissolved and the solvent in which the inorganic metallic salts are dissolved, which have different specific gravities, interpenetrate mutually and be mixed; or mixing the tetrathiafulvalene derivatives and the inorganic metallic salts, dissolving the mixture of the tetrathiafulvalene derivatives and the inorganic metallic salts into the same solvent, and volatilizing the solvent to obtain micron and / or nano functional materials of the tetrathiafulvalene derivatives and coordination polymers of metallic ions, composite micron and / or nano functional materials of cation free radicals of the tetrathiafulvalene derivatives and elementary metals, the micron and / or nano functional materials of the cation freeradicals of the tetrathiafulvalene derivatives, or the micron and / or nano functional materials of the elementary metals. The materials have the advantages of novel structure, uniform form, convenientpreparation and novel electrical and magnetic properties.

The invention provides high-performance scaling powder for a lead-acid storage battery and a preparing method of the high-performance scaling powder. The high-performance scaling powder for the lead-acid storage battery comprises following raw materials including chlorogenic acid, 1-dodecyl-3-methylimidazole nitrate, quadri (cetane sulfenyl) tetrathiafulvalene, a silane coupling agent, epoxy modified acrylic resin, a surface active agent, 2-phenylethylamine, ethanol and water. The preparing method of the high-performance scaling powder for the lead-acid storage battery comprises the followingsteps that firstly, the raw materials are weighed; secondly, the quadri (cetane sulfenyl) tetrathiafulvalene is scattered in the silane coupling agent, and a mixture A is obtained; thirdly, other rawmaterials except 2,4,6(trimethylbenzoyl) diphenylphosphine oxide are mixed with the mixture A; and fourthly, before usage, the 2,4,6(trimethylbenzoyl) diphenylphosphine oxide is mixed, and then the high-performance scaling powder is obtained. The provided scaling powder is good in weld aid effect, and welded base metal is free of corrosion; and after usage, the welding spot electric conductivity is high, and firmness is good.

An electrochemical method and a test strip for detecting hemoglobin in a specimen are provided. The method includes the steps of providing the specimen with a reagent including a buffer solution, a surfactant and an electron mediator, tetrathiafulvalene, modified by cyclodextrin; detecting electric current produced by reaction of the hemoglobin and the electron mediator in the specimen under a potentiostatic condition; and calculating a concentration of the hemoglobin in the specimen according to the detected electric current.

A tetrathiafulvalene derivative expressed by General Formula (I): General Formula (I) in General Formula (I), X represents an atom selected from a carbon atom, a sulfur atom, and a nitrogen atom, and Xs may be the same or different; provided that when X is the carbon atom or the nitrogen atom, R1 to R8 each represent one of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted thioalkoxy group, and may be the same or different; and Y1 and Y2 each represent one of structures expressed by General Formulas (II) and (III), and may be the same or different: General Formula (II) General Formula (III).

To provide an organic semiconductor of tetrathiafulvalene derivative and an organic thin-film transistor formed therefrom, the tetrathiafulvalene derivative being readily formed into a stable thin film and the organic thin-film transistor having a high mobility and being driven at a low threshold voltage, an organic semiconductor includes a hexamethylenetetrathiafulvalene compound represented by the formula (1) below, and an organic thin-film transistor having a thin film obtained therefrom(where R1 and R2 each independently denote an alkyl group which may have a C1-10 branched structure).

The invention relates to a method for detecting hemachrome or hematocrit by making use of electrochemistry and a detection test piece thereof, wherein, the detection method comprises: (1) a sample and reagent are contacted, and the reagent comprises buffer solution, interface active agent and a tetrathiafulvalene electric transmitter modified by cyclodextrine; (2) under the condition of rated electric potential, the electric current generated through the reaction between the hemachrome and the electric transmitter is measured; and (3) the hemachrome concentration in the sample is calculated according to the measured electric current. By making use of the tetrathiafulvalene formed through the modification of the cyclodextrine as the electric transmitter which directly acts with the hemachrome in the sample under condition of rated electric potential, the method can rapidly detect the hemachrome concentration in the full-blood sample or is further used for calculating the hematocrit of the blood sample by making use of the inverse relation between electric quantity value of electric current or electric current and time integral and the hemachrome concentration.

Disclosed is, for example, a compound that can be a material which can control many functions. According to a first aspect of the present invention, there is provided an organic semiconductor compound characterized in that the organic semiconductor compound is produced by forming a salt of organic molecules as a donor with an inorganic acid or an inorganic base and causes self-accumulation. According to the above constitution, the organic semiconductor compound can be obtained in a simple manner. According to a second aspect of the present invention, there is provided an organic compound characterized by being produced by deriving an ammonia salt or a hydroxyamine salt from a compound having a tetrathiafulvalene analogue site in the skeleton thereof and containing a protonic acid functional group. According to the above constitution, an organic compound which can control many functions can be obtained.

The invention provides a bilirubin response electrode. The electrode includes an electrode body. A graphene composite material, a biocompatible material and a bilirubin specific-recognition enzyme areadsorbed at the electrode. The graphene composite material includes a tetrathiafulvalene derivative and graphene dispersed in the tetrathiafulvalene derivative. The tetrathiafulvalene derivative hasa structure of a formula (I). The designed bilirubin response electrode of the invention utilizes changes of electrical signals after bilirubin oxidase and bilirubin binding reaction to obtain bilirubin content data, and response time is short.

The present invention discloses the structure and preparing process of a molecular assembly of metal phthalocyamine and substituted dithioethylene tetrathiofulvalene. The said molecular assembly is a macro-molecular compound with intramolecule charge transfer, and can be used in molecule switch field.

The invention discloses a three-dimensional covalent organic framework material based on a tetrathiafulvalene unit and a synthesis method thereof. The material is composed of tetrakis (4-anilino) adamantane and tetrakis (p-phenylaldehyde) tetrathiafulvalene An organic crystal skeleton with a three-dimensional network structure constructed by connecting two monomers through imine bonds, the preparation method of which is: in an organic solvent, four (4-anilino) adamantane and four (p- phenylaldehyde)tetrathiafulvalene is uniformly mixed, and then the catalyst acetic acid aqueous solution is added, and after heating crystallization, solvent washing and heating vacuum drying, the three-dimensional covalent organic framework material COF-TTF-Ad can be obtained. The COF-TTF-Ad material that the inventive method obtains has high specific surface area and regular and ordered microporous structure, and in gas (such as H 2 and CH 4 ) adsorption experiments, showed a large capacity of gas adsorption capacity. Therefore, COF‑TTF‑Ad can be used as an excellent gas adsorption material for gas storage.

The invention relates to an electrochemical device and an electronic device. The electrochemical device comprises an electron relay, the electron relay can be added to at least one of a positive electrode, a negative electrode, an isolating membrane or an electrolyte, the electron relay comprises at least one of viologen compounds or tetrathiafulvalene compounds, and the mass percentage content of the electron relay in the electrochemical device is 0.05%-5%. The electrochemical device provided by the invention has good dynamic performance.