45 results about "Tetrathiafulvalene" patented technology

A derivative of dibenzo-tetrathiafulvalene-tetrahydroxy-succinimide is provided, which has the structure shown by the right formula, in which R represents an alkyl. The preparation method includes the following procedures that: A) a mixture of dichlorophthalic anhydride and amine with the molecular ratio of 1: 1.5-3 undergoes circumfluence in propionic acid under 140 DEG C to 160 DEG C for 2-4 hours, B) the products obtained in procedure A is mixed with benzyl mercaptan with the molecular ratio of 1:2-3 and then undergoes calefaction in dimethylacetamide under the condition with excessive dosage of K2CO3 under 60 DEG C to 80 DEG C and, C) the product obtained in procedure B is kept in dry toluene with excessive dosage of AlCl3 to undergo debenzylation, and then reacts with carbonyldiimidazole under 70 DEG C to 90 DEG C for 2-5 hours, wherein the molecular ratio between 4,5-[(diphenylmethyl)thio substituted]- phthalimide and the carbonyldiimidazole is 1:1-3 and, D) the product obtained in procedure C undergoes circumfluence in a mixture of toluene / triethyl phosphate, the molecular ratio of which is 2-3 / 1 to carry out the auto-coupling reaction for 2-5 hours, the product of which is cooled down and filtrated to obtain the target product.

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 free radicals 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, convenient preparation and novel electrical and magnetic properties.

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 present invention provides an electrochemical method and a test strip for detecting hemoglobin in a specimen. The method includes the steps of providing the specimen with a reagent, which has a buffer solution, a surfactant and an electron mediator, tetrathiafulvalene, modified by cyclodextrin; detecting electric current produced by the reaction of the hemoglobin and the electron mediator in a specimen under a potentiostatic condition; and calculating a hemoglobin concentration in the specimen according to the detected electric current. In the method of the present invention, tetrathiafulvalene modified by cyclodextrin is used as an electron mediator, which directly interacts with the hemoglobin in the specimen. Since the hemoglobin concentration is in inverse proportion to the value of electric current or the value of SOC (state-of-charge) integrated by electric current value with time, the hemoglobin concentration in a whole blood specimen or the hematocrit level in a blood specimen is accurately and rapidly obtained according to the detected electric value or the value of SOC.

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 a method for production of 2, 6-dimethyl-4-tert-butylacetophenone with a tubular reactor. The method includes the steps of: S1, preparing an aluminum chloride ethanol solution,adding alumina and isopropanol to obtain a mixture A, conducting ultrasonic dispersion on cobaltosic oxide, nickel powder, 2-chloro-5-nitropyridine, 4-nitropyrazole, tetrathiafulvalene and anhydrous ethanol, adding a mixture A and then performing treatment to obtain a catalyst; S2, mixing dichloroethane with the catalyst to obtain a mixture B; S3, subjecting the mixture B, acetyl chloride and 1, 3-dimethyl-5-tert-butylbenzene to acylation reaction in a tubular reactor, and discharging the reaction liquid from an upper discharge hole; and S4, centrifuging the reaction liquid, and respectively treating the supernatant and filter cake, thus obtaining the recovered catalyst and 2, 6-dimethyl-4-tert-butylacetophenone. The method provided by the invention utilizes the tubular reactor for continuous production, and has the advantages of simple operation, short time, few three industrial wastes, few by-product and high yield.

The invention provides a conductive flame-retardant polyester, which is prepared from the following materials in parts by weight: 120 to 150 parts of tetrathiafulvalene-modified polyester fiber, 20 to40 parts of nitrogen-phosphorus-boron flame retardant, 10 to 15 parts of dispersant, 1 to 5 parts of p-toluenesulfonic acid and 20 to 30 parts of oxidant. Besides the excellent inherent properties ofpolyester material, such as high strength, good elasticity, good shape preservation property and high dimensional stability, the conductive flame-retardant polyester prepared by the invention has antistatic property and flame-retardant property, and therefore can be applied in fields, such as special clothing, having a broad application prospect.

The invention provides an electrochemical probe used for detecting biological active sulfhydryl matters and a synthesis method of the electrochemical probe. The invention provides a new electrochemical probe by fusing tetrathiafulvalene (TTF) group and a group with sulfhydryl reaction activity for the first time, and the name of the electrochemical probe is 2-[4,5-bis(propylsulfalkyl)]-1,3-dithiole-2-ylidene][1,3]dithiolo(4,5-f)-2,1,3-benzoselenadiazole. The probe has the characteristics that the molecular structure of the probe simultaneously contains a flexible sulfhydryl reaction activity group and the TTF group, and thus the probe not only has sensitive electrochemical signals, but also the probe and sulfhydryl matters are subjected to specific reaction. Therefore, the high-sensitivity and high-selectivity detection on the sulfhydryl matters can be realized by utilizing the probe. The electrochemical probe can provide a new approach and means for the further application of electroanalytical chemistry in life sciences of biology, clinical medicines, early-stage diagnosis and treatment of cancers, and the like.

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.

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 amacro-molecular compound with intramolecule charge transfer, and can be used in molecule switch field.

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 discloses an aqueous zinc ion battery and a positive electrode material, and the positive electrode material is a compound of tetrathiafulvalene and 7, 7, 8, 8-tetracyano p-benzoquinone dimethane. According to the present invention, the compound (TTF-TCNQ) of tetrathiafulvalene and 7, 7, 8, 8-tetracyano-p-benzoquinone dimethane is creatively prepared as the positive electrode active material of the aqueous zinc ion battery, such that the aqueous zinc ion battery has characteristics of good cycle performance and high specific capacity.

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.

The invention discloses a tetrathiafulvalene-based viologen derivative as well as a preparation method and application thereof in a flow battery system. An electron withdrawing group viologen compound is combined with a strong electron donating group tetrathiafulvalene, and terminal N atoms are subjected to ionization modification, namely hydrophilic groups and other alkyl chain substituents are introduced, so that the whole electron cloud distribution of molecules is changed, an acceptor-donor-acceptor type material is obtained, the reduction threshold value of the material is greatly reduced, polar functional groups quaternary ammonium salt and hydroxyl are introduced, the solubility and the conductivity are improved, the conjugacy of viologen derivatives is widened, the structural stability is improved, the electrode potential (0.70 V and 0.66 Vs NHE) is increased, the application of the all-viologen derivative as a cathode electrolyte in a neutral aqueous organic flow battery is realized, and rapid intramolecular electron transfer is realized, so that the viologen derivative has outstanding dynamic performance.

The invention discloses an organic light emitting device, which comprises a substrate, an anode, a hole transmission layer, an electron blocking layer, a light emitting layer, a first electron transmission layer, a second electron transmission layer and a cathode stacked sequentially. Material of the first electron transmission layer comprises 1, 4, 5, 8-naphthalenetetracarboxylic dianhydride and a dopant doped in the 1, 4, 5, 8-naphthalenetetracarboxylic dianhydride, wherein the dopant selects at least one from ethylenedithiolo tetrathiafulvalene or pyronin B; and the material of the second electron transmission layer comprises electron transmission material and alkali metal compounds doped in the electron transmission material. The light emitting efficiency of the organic light emitting device is high. The invention also provides an organic light emitting device manufacturing method.

The invention discloses a broad band optical amplitude limiting material, which is structurally a conjugate structure formed by respectively combining metal Pt(II) atoms with electron donors through chemical bonds and combining the metal Pt(II) atoms with electron acceptors through coordinate bonds and chemical bonds; the electron donors are selected from tetrathiafulvalene derivatives; the electron acceptors are selected from benzimidazole derivatives or 2,2'-dipyridyl derivatives. The optical amplitude limiting material has the characteristics of visible light high transmission performance and laser board band amplitude limiting performance. The invention also discloses a preparation method and application of the broad band optical amplitude limiting material.

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 invention relates to the technical field of iodine adsorption, in particular to a tetrathiafulvalene covalent organic framework material and a preparation method and application thereof. The structure of the tetrathiafulvalene covalent organic framework material is shown in the formula I. The tetrathiafulvalene covalent organic framework material can effectively improve the iodine adsorption rate, almost linearly increases within 10 hours and reaches saturation within 18 hours, the iodine adsorption rate is greatly improved, and the cost is reduced.

The invention provides a method for synthesizing p-alkylacetophenone by adopting a microchannel reactor. The method comprises the following steps: S1, preparing a composite catalyst: A, preparing an aluminum chloride ethanol solution; B, preparing mixed dispersion liquid by utilizing a mixture of ferroferric oxide, bibenzyl pyridine 6-chloro-7-deazapurine and tetrathiafulvalene as well as absoluteethyl alcohol; and C, adding the mixed dispersion liquid into the aluminum chloride ethanol solution, and then adding chitosan to prepare the composite catalyst; S2, dropwise adding acetyl chloride into dichloroethane and the composite catalyst to obtain a mixed material; S3, enabling 1,3-dimethyl-5-tert-butyl benzene and the mixed material to be subjected to acylation reaction in the microchannel reactor, and enabling reaction liquid to flow out of an outlet; and S4, centrifuging the reaction liquid to respectively treat supernate and a filter cake to obtain a recyclable composite catalyst and p-alkylacetophenone. According to the method provided by the invention, the microchannel reactor is utilized to continuously produce, the operation is simple, the consumed time consumed is short, the three industrial wastes are fewerlittle, and the yield is high.

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.