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41 results about "Copper(I) iodide" patented technology

Copper(I) iodide is the inorganic compound with the formula CuI. It is also known as cuprous iodide. It is useful in a variety of applications ranging from organic synthesis to cloud seeding. Pure copper(I) iodide is white, but samples are often tan or even, when found in nature as rare mineral marshite, reddish brown, but such color is due to the presence of impurities. It is common for samples of iodide-containing compounds to become discolored due to the facile aerobic oxidation of the iodide anion to molecular iodine.

Cluster scintillator based on diphenyl-2-pyridine phosphine and cuprous iodide as well as preparation method and application of cluster scintillator

The invention relates to a copper cluster scintillator constructed on the basis of diphenyl-2-pyridine phosphine and cuprous iodide and a preparation method and application of the copper cluster scintillator. The preparation method comprises the following steps: constructing a copper cluster scintillator by using diphenyl-2-pyridine phosphine and cuprous iodide, and preparing the copper cluster scintillator into a semitransparent scintillator film by using polyvinylpyrrolidone as a high-molecular polymer matrix and polyethylene glycol terephthalate as a spin-coating substrate; the scintillator film and a photomultiplier are optically coupled and integrated with nuclear electronics equipment to develop an alpha / beta particle pollution monitor. The copper cluster scintillator provided by the invention has excellent X-ray luminescence performance, and can realize high-sensitivity scintillation response to alpha / beta particles; the surface pollution monitor can realize sensitive detection of alpha / beta particles in the environment, and has important application value in the field of environmental radiation detection.
Owner:ZHENGZHOU UNIV

Cuprous iodide complex scintillator and preparation and application thereof

The invention discloses a cuprous iodide-based complex scintillator with a thermally activated delayed fluorescence characteristic as well as a preparation method and application of the cuprous iodide-based complex scintillator. The structural general formula of the complex scintillator is shown in the specification, and L represents a P-containing ligand with a conjugated structure. A series of single crystals are grown by adopting a saturated solution volatilization method, the cost is low, the preparation condition is simple and mild, the environment is friendly, and the obtained cuprous iodide complex scintillator has good scintillation performance and good stability in the single crystal state and the glass state, has an excellent response effect under the X-ray excitation condition, and can be used for preparing the X-ray scintillator. The flexible film prepared by doping and the glassy film prepared by melting and quenching can realize high-resolution dynamic X-ray imaging.
Owner:FUZHOU UNIV

Novel lignin-based copper catalyst as well as preparation method and application thereof

The invention belongs to the technical field of catalyst preparation, and particularly relates to a novel lignin-based copper catalyst and a preparation method and application thereof. The preparation method comprises the following steps: mixing lignin with cyanuric chloride, heating for reaction, and carrying out suction filtration and washing to obtain cyanuric chloride functionalized lignin; mixing the cyanuric chloride functionalized lignin with benzylamine, reacting, and carrying out suction filtration and washing to obtain benzylamine functionalized lignin; and adding the benzylamine functionalized lignin and cuprous iodide into a solvent, reacting, carrying out suction filtration, and washing to obtain the lignin-based copper catalyst. The lignin-based copper catalyst prepared by the method is low in preparation cost, can be recycled, and has the advantages of mild catalytic conditions, high catalytic efficiency and high yield.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Luminescent ink for preparing scintillation layer and preparation method and application thereof

The invention discloses luminous ink for preparing a scintillation layer and a preparation method and application of the luminous ink. The preparation method comprises the steps that cuprous iodide is dissolved in a saturated potassium iodide aqueous solution, hypophosphorous acid is added, and a first mixed solution is obtained; adding the first mixed solution into a polyvinylpyrrolidone solution to obtain a second mixed solution; the preparation method comprises the following steps: dissolving phenyl trimethyl ammonium iodide in a mixed solution of ethanol and acetonitrile to obtain a phenyl trimethyl ammonium iodide solution; quickly mixing a phenyltrimethylammonium iodide solution with the second mixed solution, stirring for a period of time, centrifuging and washing to obtain nano-particles, and dispersing the nano-particles into a solvent; metal copper-based halide nanoparticles are prepared at room temperature by using a single-component solution method, and then the metal copper-based halide nanoparticles are dispersed into a solvent to obtain the luminous ink. And then the luminous ink is uniformly sprayed on a selected substrate, and the thickness and the area can be freely adjusted according to requirements, so that a high-resolution scintillation layer is prepared.
Owner:UNIV OF JINAN

Nitrogen-defect g-C3N4 / CsCu2I3 composite material as well as preparation method and application thereof

The invention provides a nitrogen-defect g-C3N4 / CsCu2I3 composite material as well as a preparation method and application thereof, and belongs to the technical field of preparation of nano heterogeneous materials. A preparation method of a nitrogen-defect g-C3N4 / CsCu2I3 composite material comprises the following steps: dissolving cesium iodide and cuprous iodide in anhydrous acetonitrile, and carrying out a stirring reaction at 50-70 DEG C for 4-6 h to obtain a CsCu2I3 precursor solution; adding g-C3N4 into the CsCu2I3 precursor solution, and reacting for 10-14 hours at the temperature of 50-70 DEG C to obtain a crystallization solution; and dropwise adding diethyl ether into the crystallization solution, carrying out anti-solvent crystallization, aging, washing and drying to obtain the nitrogen-defect g-C3N4 / CsCu2I3 composite material. The nitrogen-containing defect rod-like g-C3N4 / CsCu2I3 binary nano heterojunction with good gas sensitive performance is prepared by the method disclosed by the invention.
Owner:BOHAI UNIV

Solar cell based on Cu-doped lead-copper alloy perovskite light absorption layer and preparation method thereof

The invention provides a solar cell based on a Cu-doped lead-copper alloy perovskite light absorption layer and a preparation method of the solar cell, and the light absorption layer of the solar cell is a Cu-doped lead-copper alloy perovskite thin film Cs0. 05MA 0. 10FA 0. 85Pb1-xCuxI3, the preparation method of the lead-copper alloy perovskite thin film comprises the following steps: adding formamidine hydriodate, methylamine hydriodate, cesium iodide, lead iodide and cuprous iodide powder into a solvent, and uniformly stirring and mixing to prepare a perovskite precursor solution; the PbI2 powder and the CuI powder are uniformly mixed, the uniformly mixed precursor solution is spin-coated, annealing is carried out on a heating stage, the thin film is obtained, the ratio of the PbI2 powder to the CuI powder is 1-x: x, and x is equal to 0-10%. The copper-doped lead-copper alloy perovskite with the three-dimensional octahedral structure synthesized by the method has structural and thermodynamic stability and is high in fluorescence performance and light absorption performance, and the crystallization quality of a thin film is remarkably improved; when the perovskite thin film is used as a light absorption layer of the cell, a perovskite solar cell with high photoelectric conversion efficiency can be prepared, and the perovskite solar cell has excellent ultraviolet resistance and high temperature resistance stability.
Owner:FUJIAN JIANGXIA UNIV

A process for the synthesis of racemic 2,6-dimethyl-2,3-dihydro-1h-inden-1-amine

The present application relates to the technical field of drug synthesis, and in particular to a synthesis method of racemic 2,6-dimethyl-2,3-dihydro-1H-inden-1-amine, which introduces amino through a conjugate addition reaction and a nucleophilic substitution reaction under the catalysis of cuprous iodide and other copper reagents by using N-acetyl-N-1-propenylacetamide and 2-fluoro-1,4-dimethylbenzene, and then hydrolyzes under alkaline conditions to obtain the racemic 2,6-dimethyl-2,3-dihydro-1H-inden-1-amine conveniently; the present application provides a more efficient, safe and economic solution for related synthesis reactions, has a wide application prospect, provides a new idea and method for the synthesis of such compounds, and improves the synthesis efficiency and quality of drugs.
Owner:合肥菁科生物科技有限公司

A one-dimensional copper-iodine-based hybrid perovskite semiconductor material, its preparation method and application

This invention discloses a one-dimensional copper-iodine-based hybrid perovskite semiconductor material synthesized from imidazole, cuprous iodide, sodium phosphate, and hydroiodic acid using a solution-cooled crystallization method. The chemical formula is (C3H5N2)3CuI6. The preparation method includes the following steps: Step 1, weighing raw materials: weigh imidazole and cuprous iodide; Step 2, mixing raw materials: place imidazole and cuprous iodide in a glass bottle, add sodium phosphate and hydroiodic acid; Step 3, heating and stirring: heat and stir until dissolved; Step 4, cooling and crystallizing: place in situ and cool; Step 5, preliminary identification of the product: irradiate the crystal with an ultraviolet lamp and observe the color of the reflected light; Step 6, filtration and drying: filter and dry the crystal to obtain the product. This invention is simple and, by introducing cuprous iodide, achieves strong exciton recombination and efficient self-trapped exciton emission, exhibiting good photoelectric conversion performance, thus replacing lead-based hybrid perovskite materials to a certain extent.
Owner:SHENZHEN UNIV

A warm white light monomer material and its preparation method

PendingCN122325335AQuantum yieldHigh color
This application discloses a warm white light monomer material and its preparation method, comprising the steps of: mixing cuprous iodide and tributylmethylammonium iodide, dissolving them in a polar solvent to obtain a precursor solution, and using the precursor solution to prepare the warm white light monomer material. This invention uses copper halides and optimizes the composition of organic molecules to prepare a high-efficiency warm white light monomer material that meets the requirements of healthy lighting. The warm white light monomer material is free of rare earth doping and consists of a single component; its fluorescence quantum yield can reach 100%, and it has good stability; it has a low color temperature and a high color rendering index, is environmentally friendly and eye-friendly; the preparation method is simple and easy to implement, has good film-forming performance, is conducive to the preparation of large-area light-emitting devices, and has the potential for low-cost, large-scale production.
Owner:INST OF WENZHOU ZHEJIANG UNIV +1

Preparation method and application of cuprous iodide cluster material based on diphenylphosphine quinoline ligand

The invention provides a cuprous iodide cluster single crystal material as well as a preparation method and application thereof, and belongs to the technical field of luminescent materials. The cuprous iodide cluster single crystal material disclosed by the invention has a structural general formula shown in the specification. The preparation method comprises the following steps: mixing CuI, a diphenylphosphine quinoline ligand and an organic solvent to form a clear and transparent solution, and crystallizing through a room temperature volatilization method to obtain the cuprous iodide cluster single crystal material. Carrier transport is balanced and skeleton rigidity is enhanced by introducing carbazole, 3, 6-tert-butyl carbazole, phenoxazine and 9, 9-dimethyl acridine groups, exciton quenching is inhibited while an orange-red photoluminescence blank is filled, and a key material support is provided for constructing a high-performance solution processing type OLED (Organic Light Emitting Diode).
Owner:HEILONGJIANG UNIV

Preparation method of large-size CuInS2 quantum dots

The invention provides a preparation method of a large-size CuInS2 quantum dot. The invention belongs to the field of semiconductor luminescent nano materials, and provides a novel synthesis method for obtaining a CuInS2 quantum dot material with the size of 9.16 nm, the photoluminescence peak position of 1120 nm and the electroluminescence peak position of 1045 nm. The n-dodecanethiol is used as a sulfur source, the cuprous iodide is used as a copper source, the indium acetate is used as an indium source, the operation is convenient, the large-size near-infrared stable luminous CuInS2 material can be obtained through one-time heating, and the material has the advantages of wide spectrum and low toxicity. The large-size CuInS2 semiconductor quantum dot material prepared by the preparation method disclosed by the invention can obtain near-infrared luminescence under the excitation of ultraviolet wavelength. The synthesis process is simple, and stable quantum dots can be obtained without further modification treatment.
Owner:HEBEI UNIVERSITY

Preparation method of high-color-purity blue light LED

PendingCN120888297ALuminescent compositionsUltravioletCesium iodide
The invention relates to the technical field of semiconductor light-emitting devices, and discloses a preparation method of a high-color-purity blue light LED, which comprises the following steps of: mixing cesium iodide and cuprous iodide and reacting to prepare a Cs3Cu2I5 nuclear material; the Cs3Cu2I5 core material is placed in a shell layer precursor solution containing a gallium source to be wrapped and then annealed, and core-shell structure fluorescent powder is obtained; preparing the fluorescent powder with the core-shell structure into slurry, coating a base material with the slurry layer by layer, and performing high-temperature treatment to form a fluorescent material film with Ga concentration gradient; and integrating an ultraviolet LED chip with the fluorescent material film to prepare the high-color-purity blue light LED. According to the invention, the core-shell passivation structure and the concentration gradient film are constructed, and the functionalized packaging resin is matched, so that the quantum yield, the color purity, the light extraction efficiency and the long-term working stability of the blue light LED are improved.
Owner:CHINA JILIANG UNIV

A dual-site heterometallic MOF material for NO adsorption and its preparation method and application

PendingCN122321825ASorbentHeat stability
This invention discloses a dual-site heterovalent metal MOF material for NO adsorption, its preparation method, and its application, belonging to the field of gas adsorption materials. The chemical formula of this material is [Cu]. Ⅰ (Cu Ⅱ )4(2-TPY)2(IA ‑ )3(NO3 ‑ )2I ‑ O 2‑ ]·(NO3 ‑ The material was prepared by a solvothermal method using the reaction of bis(terpyridine), isonicotinic acid, and cuprous iodide. This material possesses a three-dimensional structure and Cu... Ⅰ / Cu Ⅱ The bimetallic active sites exhibit excellent thermal stability, high specific surface area, and highly selective adsorption capacity for NO. This invention solves the problems of low NO adsorption capacity and poor selectivity of traditional adsorbents in complex flue gas, and can efficiently achieve NO / CO separation. It is suitable for the deep removal and resource utilization of NO in industrial waste gas, and has good cycle stability and application prospects.
Owner:CENT SOUTH UNIV

A kind of probe with terpyridine as recognition group and containing three electron donors and its preparation method and application

The application discloses a kind of probe with terpyridine as recognition group and containing three electron donors and a preparation method and application thereof.The para position of the three pyridine nitrogens of the compound simultaneously contains a carbazole, 3,6-di-tert-butyl carbazole, diphenylamine, 4,4'-dimethoxytriphenylamine or 10-phenylphenothiazine electron donor;In the preparation method, with tris(dibenzylideneacetone) dipalladium, palladium catalyst such as tetra(triphenylphosphine) palladium or cuprous iodide as catalyst, with 4,4',4"-tribromo-2,2':6',2"-terpyridine or 4,4"-dibromo-[2,2':6',2"-terpyridine]-4'-yl trifluoromethanesulfonate as intermediate, the probe is prepared.The application realizes rapid visual sensitive detection of copper ions.
Owner:HEBEI UNIV OF TECH

Cuprous iodide organic-inorganic hybrid material and preparation method thereof

The invention relates to a cuprous iodide organic-inorganic hybrid material. The cuprous iodide organic-inorganic hybrid material is a compound synthesized by taking methylpyridinium functionalized benzothiadiazole LS I or methylpyridinium functionalized benzoselenadiazole LSe I as a basic ligand and CuI. According to the cuprous iodide organic-inorganic hybrid material disclosed by the invention, a cationic charge center is introduced on the premise of maintaining the coordination capability of a ligand, so that the band gap of the hybrid material is remarkably narrowed, long-wavelength near-infrared (gt; 900 nm) luminescence is realized, and meanwhile, the vibration of molecules is remarkably reduced and the quantum yield is improved by virtue of a special interaction form between organic and inorganic components.
Owner:SHENZHEN POLYTECHNIC

Achieving ultra-long near-infrared room-temperature phosphorescence Cu(I)-MOF coordination compound SUST-WZ3 and its preparation method

A Cu(I)-MOF coordination compound SUST-WZ3 that achieves ultra-long near-infrared room temperature phosphorescence and a preparation method thereof, wherein the molecular formula of the functionalized metal-organic framework compound is C 48 H 28 Cu4N 16 The coordination compound is self-assembled by hydrothermal reaction using 1,4-bis(4-(1H-tetrazolyl-5-yl)phenyl)naphthalene (H2DTzDphNap, hereinafter referred to as Tz-Nap) as an organic ligand and cuprous iodide as a metal salt. The coordination compound SUST-WZ3 exhibits metal-ligand charge transfer transition (MLCT) emission in the 450-505 nm range (1.07, 2.29, and 5.38 μs at 450, 475, and 505 nm, respectively), triplet emission at 705 nm, and a lifetime of 1.85 ms at 300 K and 25.16 ms at 77 K. White light can be obtained by adjusting the relative intensities of the doublets. Furthermore, under low-temperature conditions, the near-infrared (NIR) long-persistence luminescence (LPL) of SUST-WZ3 can be observed with the naked eye.
Owner:SHAANXI UNIV OF SCI & TECH

Preparation method of cuprous iodide transparent conductive film

The invention discloses a preparation method of a cuprous iodide transparent conductive film. The preparation method comprises the following steps: taking silicon and quartz glass as substrates, and obtaining a copper-zinc alloy film on the surfaces of the substrates through a magnetron sputtering method; the alloy film prepared through the method is high in continuity, compactness and smoothness, and a cuprous iodide film with low surface roughness can be obtained after iodination is conducted. The zinc element in the copper-zinc alloy inhibits the growth of cuprous iodide grains in the iodination process. Compared with a cuprous iodide film not doped with zinc, the prepared CuI: Zn film has the advantages of being continuous and compact, high in surface brightness, weak in light diffusion, high in conductivity and the like. The method is simple and low in cost, and industrial production can be realized.
Owner:HANGZHOU DIANZI UNIV

Process for preparation of quinazolinone derivatives

The invention relates to the technical field of preparation of quinazolinone derivatives. The invention provides a method for preparing a quinazolinone derivative, which comprises the following steps of: adding a compound with a general formula 1, benzisoxazole, 2, 3-dichloro-5, 6-dicyanobenzoquinone and cuprous iodide into 1, 2-dichloroethane to react, and the chemical equation of the reaction is shown in the specification; wherein R is hydrogen, methyl, ethyl or methoxyl. The method provided by the invention takes copper as a catalyst, and has the characteristics of high stereoselectivity and single product geometric configuration. The copper catalyst is cheap and low in toxicity, and meets green chemical requirements; reaction conditions are mild, and industrial amplification is easy; meanwhile, by-products are few, and atom economy is good.
Owner:NINGXIA MEDICAL UNIV

Novel hybrid cuprous iodide luminescent material and preparation method and fluorescent application thereof

The application provides a novel hybrid cuprous iodide light-emitting material and a preparation method and fluorescent application thereof, and particularly relates to two light-emitting materials, and both are organic-inorganic hybrids of organic ligands and inorganic cuprous iodide clusters, wherein Cu4I4(C9H 12 N3)2 is a two-dimensional double-layer network structure, the optimal excitation wavelength is 367 nm, and the strongest emission peak is at 602 nm; and Cu2I2(BrC 11 H8N) is a one-dimensional chain structure of ladder-shaped grid structure, the optimal excitation wavelength is 419 nm, and the strongest emission peak is at 521 nm. The light-emitting material is prepared through a diffusion process. The light-emitting material has good fluorescent emission performance, is a novel fluorescent crystal material with potential application value, and can be applied to the fields of solid-state lighting, light-emitting diodes, lasers and fluorescent powder.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Preparation method and application of hybrid red luminescent material based on cuprous iodide

The invention belongs to the technical field of luminescent materials, and particularly relates to a preparation method of a hybrid red luminescent material based on cuprous iodide. The material is prepared by reacting CuI with an organic ligand 2-ethyl-3-methylpyrazine through a solution method, and the chemical composition of the material is CuI (2-et-3-mepz). The preparation method comprises the following steps: respectively dissolving CuI and 2-et-3-mepz in an organic solvent, mixing and reacting, stirring, centrifuging, washing and drying to obtain the red luminescent powder. The material can be effectively excited in the wave band from ultraviolet light to green light, red light with the peak wavelength being 628 nm is emitted, the CIE color coordinate is about (0.63 and 0.37) and is close to the NTSC red standard, rare earth elements are not contained, the preparation technology is simple, cost is low, and environment friendliness is achieved. In the process of preparing a white light LED device with a high color rendering index, white light with the color rendering index as high as 93.0 can be obtained by mixing the fluorescent powder with blue and green fluorescent powder for use, and the fluorescent powder has a wide application prospect in the field of solid-state illumination.
Owner:SUN YAT SEN UNIV

Preparation method and application of copper-based halide luminous ink

The invention discloses a preparation method of copper-based halide luminous ink and application of the copper-based halide luminous ink in the anti-counterfeiting field, and belongs to the technical field of luminous materials. The method comprises the following steps: synthesizing an organic ligand (buted) Br, reacting the organic ligand (buted) Br with cuprous iodide in a saturated potassium iodide solution to generate Cu6I8 (buted) 2 powder, and carrying out ball milling on the Cu6I8 (buted) 2 powder and a polyvinylpyrrolidone ethanol solution to prepare the luminous ink. The ink is white under natural light, emits green-yellow light under ultraviolet light, has a solvochromic characteristic, turns orange-yellow after being in contact with dichloromethane, and can reversibly recover through a potassium iodide solution. The method is simple in process, low in cost, high in yield, environment-friendly, suitable for the fields of high-end anti-counterfeiting, information encryption, intelligent packaging and the like, and good in commercialization prospect.
Owner:SUN YAT SEN UNIV

Preparation method of purple fluorescent material

The invention discloses a preparation method of a purple fluorescent material. The preparation method comprises the following steps: firstly, putting a metal target material and a material growth substrate into a magnetron sputtering system; the magnetron sputtering system is vacuumized; argon is input into a sputtering system, and the pressure of the sputtering system is increased by regulating and controlling a valve control device; then, direct-current voltage is applied to the metal target material, magnetron sputtering is carried out, and an alloy film is obtained on the substrate; and adding an iodine source into the alloy film to obtain the aluminum-doped cuprous iodide. The aluminum element is uniformly distributed in the copper film by a magnetron sputtering method to form the copper alloy film containing aluminum. The aluminum element is introduced into the cuprous iodide thin film, so that the growth of cuprous iodide crystal grains is promoted, and the phase change of cuprous iodide is also caused. The fluorescent material reacts with iodine through metal at room temperature, the method is simple, the requirement on experimental conditions is low, and the cost is low.
Owner:HANGZHOU DIANZI UNIV

A method for preparing a sulfonium salt that can be used as a photoacid generator

This invention provides a novel method for preparing sulfonium salt compound 1, a photoacid generator, belonging to the field of organic chemistry. The method is characterized by the reaction of compound 3 and compound 4 in the presence of a monovalent copper catalyst and an organic solvent to obtain compound 1. The synthetic route is as follows: This invention uses readily available and inexpensive p-tert-butylbenzene as a starting material, and obtains a high-purity product through an iodonium reaction and a sulfonium reaction. The synthetic method of this invention uses readily available and inexpensive substrates, has a short route, and low cost. It uses a monovalent copper catalyst such as cuprous iodide instead of a divalent copper catalyst such as copper acetate, which improves the yield of sulfonium salt, avoids the use of toxic divalent copper and toxic reagents, and unexpectedly reduces the residual copper ion content, which is beneficial for obtaining high-quality photoresist and has good market value and far-reaching practical significance.
Owner:菏泽皓元医药科技有限公司

Cuprous iodide complex scintillator, method of making and use in x-ray imaging

The application discloses a cuprous iodide complex scintillator, a preparation method thereof and application of the cuprous iodide complex scintillator in X-ray imaging, and belongs to the technical field of luminescent materials. + [Cu2I3L1L2] ‑ Wherein, L1=TMTP, L2=P^N; the cuprous iodide complex single crystal is obtained by a solution diffusion combined solvent evaporation method from cuprous iodide, tris (o-methylphenyl) phosphine and diphenyl-2-pyridine phosphine ligands in an acetonitrile solution. The cuprous iodide complex microcrystal is obtained by growth under the limited action of a polyvinylpyrrolidone surfactant; the cuprous iodide complex microcrystal is used as a scintillator, a scintillator thin film is obtained through a microelectronic printing doctor blade coating technology, and the scintillator thin film can clearly image the internal structure of a real object under X-ray irradiation.
Owner:NANJING UNIV OF POSTS & TELECOMM

A process for the preparation of (z)-1-aryl sulfide-2-phenol ether-4-aryl-trisubstituted-1-buten-3-ynes

PendingCN122145358AMercapto/sulfide group formation/introductionSteroidsPtru catalystTetrafluoroborate
The application discloses a synthesis method of a (Z)-1-aryl sulfide-2-phenol ether-4-aryl-trisubstituted-1-butene-3-alkyne compound, which comprises two-step room temperature reactions: firstly, in a dry reaction container, 1,3-di-alkynyl triiodide reagent (I), a phenol compound, a base reagent and an organic solvent are mixed, and stirring reaction is carried out at room temperature until the starting material is completely consumed, and the solvent is removed by concentration under reduced pressure; then, a sulfenol compound, a copper catalyst and an organic solvent are added into the concentrated residue, and stirring reaction is carried out at room temperature until completion, and the target product (II) is obtained through post-treatment. The molar ratio of the 1,3-di-alkynyl triiodide reagent (I), the phenol compound and the sulfenol compound is 1:1.05:(1.1-1.3); the copper catalyst is selected from one of cuprous iodide, cuprous chloride and tetraethylammonium copper tetrafluoroborate, and the copper catalyst is preferably tetraethylammonium copper tetrafluoroborate; and the organic solvent is selected from acetonitrile, 1,2-dichloroethane and the like, and the total amount of the organic solvent added is 0.1 mmol in terms of the amount of substance of the reagent shown in formula (I). The method has mild reaction conditions, simple operation and can efficiently prepare the target compound.
Owner:CHENGDU UNIV

Preparation method of hydrogen-fluorine co-doped graphdiyne

The invention discloses a preparation method of hydrofluorine co-doped graphdiyne, which mainly comprises the following steps: adding a copper foil subjected to hydrochloric acid washing, ethanol washing and acetone washing into a three-neck flask, adding tribromobenzene, bis (triphenylphosphine) palladium dichloride and cuprous iodide under argon flow, carrying out inert gas replacement by using argon to provide an inert gas reaction atmosphere, and reacting at the temperature of 60-80 DEG C for 1-2 hours; injecting triethylamine as a reaction solution; the preparation method comprises the following steps: dissolving a monomer 1, 3, 5-trifluoro-2, 4, 6-triacetylene benzene in triethylamine, and dropwise adding into a reaction system; heating the reaction mixture to 80 DEG C, and magnetically stirring to react for 60 hours; and after the reaction is finished, filtering to obtain the hydrogen-fluorine co-doped graphdiyne growing on the surface of the copper foil. The preparation method comprises the following steps: preparing a lithium ion battery pole piece, cleaning with acetone and nitrogen-nitrogen dicarbonamide, drying, cutting into a pole piece of 1cm * 1cm, and then drying in a vacuum drying oven at 80 DEG C, so as to serve as the pole piece of the potassium ion half-battery and show good potassium storage performance.
Owner:YANGZHOU POLYTECHNIC COLLEGE

Preparation method of graphene reinforced copper-chromium alloy contact material

The invention relates to a metal alloy material, and discloses a preparation method of a graphene reinforced copper-chromium alloy contact material, which comprises the following steps: 1) respectively placing a chromium powder porous green body and cuprous iodide in a zone 1 and a zone 2 of a closed reaction system; raising the temperature of the zone 1 in a hydrogen atmosphere to pre-sinter the chromium powder porous green body; heating the area 2 under negative pressure until cuprous iodide is sublimated; the gaseous cuprous iodide is decomposed and deposited on the outer surface and the pore surface of the chromium powder porous green body to form a copper coating layer after being diffused to the area 1; 2) growing a graphene layer in situ on the outer surface and the pore surface of the obtained porous copper-chromium sintered body through chemical vapor deposition to obtain a graphene network wrapped and enhanced porous complex; 3, the porous composite is subjected to vacuum impregnation in copper powder slurry, degreasing and hot-pressing densification. Graphene in the copper-chromium alloy contact material prepared through the method is evenly distributed in a three-dimensional network mode, the adverse chromium-carbon interface reaction can be effectively inhibited, and therefore the performance of the copper-chromium alloy contact material is greatly improved.
Owner:ZHEJIANG METALLURGICAL RES INST

Production device of cuprous iodide

The utility model belongs to the technical field of chemical reaction devices, and particularly relates to a production device of cuprous iodide. The production device of the cuprous iodide comprises a raw material tank, a first stirring tank, a reaction tank, a filtering and washing tower and drying equipment which are connected in sequence, the raw material tank comprises an aromatization stock solution storage tank, a sodium carbonate solution storage tank and a sodium sulfite storage tank; the aromatization stock solution storage tank, the sodium carbonate solution storage tank and the sodium sulfite storage tank are respectively communicated with the first stirring tank; and the reaction tank is also communicated with a copper sulfate solution storage tank. The utility model provides a production device of cuprous iodide, which aims at solving the problems of resource waste and difficulty in subsequent garbage treatment due to the fact that elemental iodine contained in an aromatization stock solution is treated as garbage in the prior art, takes the aromatization stock solution as a raw material, fully utilizes the elemental iodine in the aromatization stock solution and generates more expensive cuprous iodide.
Owner:HUNAN RUIGUAN BIOCHEMICAL TECH CO LTD

High-stability organic-inorganic hybrid copper-based halide orange-yellow light-emitting material, preparation method and application thereof

The application belongs to the technical field of photoelectric functional materials, and relates to a high-stability organic-inorganic hybrid copper-based halide orange-yellow light material, a preparation method and application. The material is prepared by taking benzyltrimethylammonium iodide (BTMAI) as an organic component raw material and taking cuprous iodide (CuI) as an inorganic component raw material, and has a chemical general formula of [C 10 H 16 N]3Cu3I6, which is abbreviated as (BTMA)3Cu3I6. The single crystal of the material belongs to a monoclinic system and has a space group of P21 / n. The material presents broadband orange-yellow light emission with a peak position of 590 nm under ultraviolet light excitation, the photoluminescence quantum yield reaches 51.1%, and the luminescence lifetime is 5.89 mu s. The material has excellent water and oxygen stability, high-temperature resistance and environmental friendliness, and has simple preparation process, rapid reaction and large-scale preparation, and has wide application prospects in the field of photoelectric devices.
Owner:XI AN JIAOTONG UNIV