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

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention belongs to the technical field of luminescent materials, and particularly relates to a preparation method of a copper-based complex luminescent material, the method does not need a complex operation process, dimethyl sulfoxide, hypophosphorous acid and cuprous iodide are used as raw materials, high-toxicity reagents (such as P2S5) and dangerous solvents (such as methylbenzene) are avoided, the required synthesis time and temperature are obviously reduced, and the method is suitable for industrial production. The yield is greatly improved, and the method is more suitable for commercial synthesis conditions; the ethylene-vinyl acetate copolymer is further combined with the powdery (Cu4I4) (DMS) 3 to construct the flexible scintillator film with high transparency and uniform distribution, and the spatial resolution of 14.85 lpmm <-1 > is realized.

The invention relates to the technical field of drug synthesis, in particular to a synthetic method of racemic 2, 6-dimethyl-2, 3-dihydro-1H-indene-1-amine, N-acetyl-N-1-propenylacetamide and 2-fluoro-1, 4-dimethylbenzene are subjected to conjugation-like addition reaction and nucleophilic substitution reaction under the catalysis of copper reagents such as cuprous iodide, and the racemic 2, 6-dimethyl-2, 3-dihydro-1H-indene-1-amine is obtained through synthesis of racemic 2, 6-dimethyl-2, 3-dihydro-1H-indene-1-amine and synthesis of racemic 2, 6-dimethyl-2, 3-dihydro-1H-indene-1-amine. The racemic 2, 6-dimethyl-2, 3-dihydro-1H-indene-1-amine is prepared by the following steps: introducing an amino group, and subsequently hydrolyzing under an alkaline condition, so that the racemic 2, 6-dimethyl-2, 3-dihydro-1H-indene-1-amine is conveniently obtained; the invention provides a more efficient, safer and more economical solution for related synthesis reactions, has wide application prospects, provides a new idea and method for synthesis of the compounds, and improves the synthesis efficiency and quality of drugs.

The invention belongs to the technical field of semiconductor technology and neuromorphic hardware, and discloses a metal halide film memristor and a preparation method and application thereof, and the metal halide film memristor provided by the invention comprises a bottom electrode, an inorganic resistive layer and a top electrode from bottom to top in sequence; the inorganic resistive layer is a metal halide thin film, and the metal halide thin film is a cuprous iodide thin film; the bottom electrode is made of indium tin oxide (ITO) and is used for inputting an electric signal of an external power supply; the top electrode is made of metal copper and is used for being connected with the ground; the cuprous iodide film is prepared by adopting a vacuum physical vapor deposition method; the metal halide film memristor provided by the invention can reach a large dynamic range of 6306 under-1V voltage stimulation, response current is at a microampere level, and the metal halide film memristor can be used for realizing neuron integral-emission function simulation due to good volatile characteristics and can be applied to a self-adaptive sensing system.

The application belongs to the technical field of luminescent materials, and relates to an interstitial carbene-copper(I)-carbazole compound with room-temperature phosphorescence and a preparation method thereof. The method specifically comprises the following steps: under the atmosphere of an inert gas, taking an interstitial carbene precursor as a starting material, deprotonating the C4 position of the interstitial carbene precursor by sodium bis(trimethylsilyl)amide in the presence of a solvent and cuprous iodide to obtain a double-coordinated interstitial carbene copper(I) complex, and then reacting the double-coordinated interstitial carbene copper(I) complex with a potassium carbazole salt to obtain the interstitial carbene-copper(I)-carbazole compound. The application first uses an interstitial carbene as an organic ligand, develops a novel synthesis method of a linear double-coordinated interstitial carbene-copper(I)-carbazole compound with room-temperature phosphorescence, enriches the types of copper(I) complexes with phosphorescence emission, and realizes fine adjustment of phosphorescence properties by changing the substituent groups of the 2nd carbon atom on the carbene ring.

A manufacturing method described in the present invention provides antimicrobial copper-containing polyurethane foams by embedding microparticles of metallic copper (Cu), cuprous oxide (Cu2O), cupric oxide (CuO), or cuprous iodide (CuI), or combinations thereof, into polyurethane foams, wherein said microparticles are homogenously distributed throughout the formed polymeric matrix of said foam. The method combines these copper-containing microparticles, or polyurethane liquid additive containing these particles, mixed in polyol with isocyanate.