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50 results about "Cuprous thiocyanate" patented technology
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Cuprous oxide nanowire porous film as well as preparation method and application thereof
The invention belongs to the technical field of nano materials, relates to a photoelectric function material, and particularly relates to a cuprous oxide nanowire porous film as well as a preparation method and an application thereof. The cuprous oxide nanowire porous film is obtained by using copper thiocyanate film as a precursor to react with aqueous alkali. The copper oxide nanowire porous film provided by the invention can act as a photoelectric conversion material and also has wide use in the field of function materials and components.
Owner:FUDAN UNIV
Cuprous oxide nanowire material and preparation method thereof
InactiveCN103787401AWide range of usesNanotechnologyCopper oxides/halidesElectrical batterySupercapacitor
The invention belongs to the technical fields of nanometer materials and chemical materials, and particularly discloses a cuprous oxide nanowire material and a preparation method thereof. The cuprous oxide nanowire material is obtained by reacting commercially available cuprous thiocyanate powder serving as a precursor with aqueous alkali. A process is simple, and the cuprous oxide nanowire material is easy to produce in batches; the prepared cuprous oxide nanowire material can be widely used as an advanced functional material such as a photoelectric conversion material; in addition, the prepared cuprous oxide nanowire material can also be widely applied to the fields of catalysis, sensors, super capacitors, lithium ion batteries, photoelectric functional devices, large-area electronic devices and the like.
Owner:FUDAN UNIV
Method for manufacturing cuprous thiocyanate membrane in liquid phase condition
InactiveCN101109101AImprove stabilityQuality improvementFrom normal temperature solutionsThiocyanic acidConcentration ratioPhysical chemistry
The invention relates to a method for preparing CuSCN film under room temperature and liquid phase, which is characterized in that: (1) inorganic copper salt is selected as a precursor, the concentration of Cu2+ is 0.001-0.1mol / L; (2) Na2S2O3 is used as complex, the mole concentration with copper ion is 2 swung dash 5; (3) sulfocyanide of alkaline metal is used as SCN- ion precursor, in concentration 0.002-0.2mol / L, and the concentration ratio of SCN- to Cu2+ is 1-15; (4) deposition of film is carried out by way of ''serial ion layer absorption and reaction'' (SILAR), the liner is first immersed in Cu2+ precursor solution; then the liner is placed in SCN- precursor solution for reaction; the liner is immersed in Cu2+ precursor again; above operation is repeated; finally the liner is fully washed by de-ionizing water. The CuSCN film prepared has dense and even film layer, the grain size is as small as 20-50 nm; and the optic transmissivity of 400-800 nm wavelength is 50-70%.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
Cuprous thiocyanate and production method
InactiveCN101428822AImprove particle size uniformityNarrow particle size rangeThiocyanic acidSulfateWhite powder
The invention relates to cuprous thiocyanate and a preparation method. Cuprous thiocyanate can be used as antifouling paint and paint used biological poisoning agents. The invention is characterized in that 35-50% thiocyanate water solution and 35-45% copper sulfate or hydrochloride water solution replacement-react under the protection of SO2 or CO, the mol ratio of the three is 1:1:(0.3-0.7), and white powder with grain diameter ranging from 5-25 Mum and white content being 70-80% is obtained. Compared with the prior art, the yield can be improved by 50%, and the yield and the purity can be improved to be above 99%; the output of waste water is small, and only 1-3 t waster water is generated per product; the obtained cuprous thiocyanate has good evenness and small grain diameter range reduced to be 5-25 Mum, the anti-corrosion effect is stable, and the white or off-white powder product greatly improves the commonality of color matching; and the integrated cost is reduced by 20%, thereby overcoming the defect of the prior art.
Owner:江苏燎原环保科技股份有限公司
Method for preparing cuprous thiocyanate from coked desulfuration waste liquid
InactiveCN102303875AReduce churnReduce manufacturing costThiocyanic acidSodium thiocyanatePolyacrylamide
The invention discloses a method for preparing cuprous thiocyanate from a coked desulfuration waste liquid. The method comprises the following steps: adding 20-60 kg of activated carbon to 1000 kg of coked desulfuration waste liquid, heating to 80-130 DEG C, keeping stirring for 1-3 hours, and then filtering; adding a copper salt the molar of which is equal to that of thiocyanic acid radical ion to filtrate; and keeping stirring and reacting for 1-3 hours at the temperature of 30-60 DEG C in the SO2 or CO2 atmosphere, adding polyacrylamide (PAM) the mass of which is 0.01% that of cuprous thiocyanate in a reaction liquid and stirring for 8-12 minutes at the stirring speed of 100-500 r / min, filtering, washing 1-3 times with 5wt% sodium hydrogen sulfite hot water, and drying so as to obtain cuprous thiocyanate. By using the method disclosed by the invention, the high-purity cuprous thiocyanate or sodium thiocyanate product is prepared, thus the method has the advantages of low production cost and good environmental protection benefits, social benefits and economic benefits.
Owner:陈琳
Comprehensive utilization method of desulfurization waste liquid
InactiveCN102225798AReduce salt concentrationIncrease added valueThiocyanic acidWater/sewage treatment by flocculation/precipitationHigh concentrationSodium bicarbonate
The desulfurization waste liquid of a sodium carbonate-sodium bicarbonate solution which contains high concentrations of sodium thiosulfate, sodium thiocyanide and sodium sulfate loses the absorption capability to hydrogen sulfide, and can not be directly discharged, thus a difficult problem emerges. The invention provides a treatment method for recycling the desulfurization waste liquid which is characterized by comprising the following steps of: adding an appropriate amount of copper sulfate to the desulfurization waste liquid to form high-purity cuprous thiocyanate precipitate; separating the precipitate, wherein the concentrations of sodium thiosulfate and sodium thiocyanate in the water body are significantly reduced and part of sodium thiosulfate and sodium thiocyanate is converted into sodium sulfate, so that sodium sulfate in the water body is saturated; and then removing the majority of sodium sulfate by using low-temperature crystallization or other industrially realizable methods to greatly reduce the salt concentration of the water body, wherein the water body can be used as desulfurization liquid after the supplementation of sodium carbonate, thus avoiding or reducing discharge.
Owner:BEIJING UNIV OF CHEM TECH
Planar inverted translucent organic/inorganic hybrid perovskite solar cell device and preparation method thereof
ActiveCN106252516AImprove performanceIncrease the open circuit voltageFinal product manufactureSolid-state devicesEthylene HomopolymersHole transport layer
The invention provides a planar inverted translucent organic / inorganic hybrid perovskite solar cell device and a preparation method thereof. The device comprises a substrate, an anode layer, a hole transport layer, a single molecular modification layer, a perovskite layer, an electron transport layer, a cathode modification layer and a cathode layer from the bottom to the top. The hole transport layer is a mixed film of polyethylene dioxythiophene and sodium polystyrenesulfonate, a homopolymer or copolymer of polyaniline, a homopolymer or copolymer of polycarbazole, cuprous thiocyanate, a nickel oxide film, cuprous oxide, a molybdenum oxide film, a vanadium oxide film or a tungsten oxide film. The electron transport layer is a fullerene or fullerene derivative. According to the invention, great energy level matching is realized to improve the open-circuit voltage of the planar inverted translucent organic / inorganic hybrid perovskite solar cell and the conversion efficiency of energy and filling factors, and the high-performance translucent planar inverted organic / inorganic hybrid perovskite solar cell device is acquired.
Owner:SOUTH CHINA UNIV OF TECH
Algae-resistant fishing net
InactiveCN103757732AGood anti-algae effectEasy to cleanMonocomponent polyolefin artificial filamentArtifical filament manufactureSodium PyrithionePlasticizer
The invention discloses an algae-resistant fishing net. The algae-resistant fishing net comprises, by weight, 91-100 parts of ultrahigh-molecular weight polyethylene, 12-15 parts of polyoxyethylene, 2-3 parts of cuprous thiocyanate, 0.8-1 part of zinc pyrithione, 3-4 parts of phenyltriethoxysilane and 4-5 parts of a modification plasticizer. The algae-resistant fishing net has good algae resistance, is convenient for cleaning and has a long service life.
Owner:CHAOHU ASIANEPS FISHING NET MFG
Color antifouling paint without cuprous oxide and preparation thereof
InactiveCN101353493AHigh surface energyGood film formingRubber derivative coatingsAntifouling/underwater paintsCopper pyrithioneSolvent
The invention provides a colorized antifouling paint without cuprous oxide, which comprises the following components with the weight percentage of: 10-25 percent of resin, 1-2 percent of pigment, 14-33 percent of stuffing, 15-30 percent of antifouling agent, 5-10 percent of addition agent, and 10-25 percent of solvent, wherein, the antifouling agent comprises following components with the weight percentage of: 50-95 percent of cuprous thiocyanate, 3-35 percent of zineb, and 2-15 percent of copper pyrithione. The antifouling paint of the invention has no cuprous oxide, silicon or fluororesin; when the antifouling paint of the invention is applied to coating, various colors can be presented below a waterline of a vessel. The product is in accordance with requirements for environmental protection; the preparation method is simple; energy can be saved; the cost is low. The prepared antifouling paint has good film-forming performance under normal temperature; the storage stability and antifouling performance are excellent; attached organism can be killed effectively.
Owner:上海华谊精细化工有限公司上海开林造漆厂
A method for extracting cuprous thiocyanate and sodium thiocyanate from desulfurization waste liquid of tannin extract method
The invention discloses a method for extracting cuprous thiocyanate and sodium thiocyanate from the desulfurization waste liquid of the tannin extraction method. Take 1000 kg of desulfurization waste liquid, add 30-50 kg of activated carbon to the waste liquid, heat to 90-110°C, keep stirring for 1-3 hours, and filter. Add copper carbonate with sodium thiocyanate and other substances to the filtrate, keep stirring and reacting for 1 to 3 hours in an atmosphere of 30-60°C and CO2, a large amount of cuprous thiocyanate precipitates out in the solution, and filter the reaction solution , and washed with water for 1 to 3 times, and dried to obtain cuprous thiocyanate. A sodium hydroxide solution is added to the obtained cuprous thiocyanate precipitate, and the amount of the added sodium hydroxide is 2 to 3 times that of the cuprous thiocyanate. After reacting for 1-3 hours, filter and evaporate the filtrate to obtain sodium thiocyanate product. The method can prepare high-purity cuprous thiocyanate and sodium thiocyanate products, has low production cost, reduces the loss of other alkaline substances in the desulfurization waste liquid of the tannin extraction process, and has good environmental protection benefits, social benefits and economic benefits. benefit.
Owner:陈琳
Method for preparing light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n with picric acid detecting function
InactiveCN105622956AGood picric acid detection performanceGood optical stabilityLuminescent compositionsFiltrationHexamethylphosphoric Triamide
The invention discloses a method for preparing a light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n with a picric acid detecting function. Hydrogen sulfide is introduced into an ammonia water solution of tungstic acid to react, and ammonium tetrathiotungstate is prepared through suction filtration and drying; ammonium tetrathiotungstate and cuprous thiocyanate are added into a hexamethylphosphoric triamide solvent to prepare a solution, isonicotinic acid is added into the prepared solution to be stirred and dissolved, and after a red clear solution is prepared, the pH of the solution is adjusted to range from 8 to 10; a solution of terbium trinitrate is added into the red clear solution, and the light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n is obtained through crystallization, filtration, washing and drying. The method has the advantage that the light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n capable of efficiently detecting picric acid is obtained.
![Method for preparing light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n with picric acid detecting function](https://images-eureka.patsnap.com/patent_img/c284ea16-9f27-4b74-864e-5798cfbcc2bc/HDA0000943377730000011.PNG "Method for preparing light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n with picric acid detecting function")
![Method for preparing light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n with picric acid detecting function](https://images-eureka.patsnap.com/patent_img/c284ea16-9f27-4b74-864e-5798cfbcc2bc/HDA0000943377730000012.PNG "Method for preparing light-emitting crystal material [WS4Cu4(SCN)4Tb2(INA)4(HMPA)8]n with picric acid detecting function")
Owner:JIANGNAN UNIV
Method for preparing cuprous thiocyanate thin film using triethanolamine complexing water-based galvanic deposit liquid
InactiveCN101252154ALight-sensitive devicesElectrolytic inorganic material coatingElectrolytic agentWater based
The present invention discloses a method for preparing p-type cuprous thiocyanate thin films, comprising the following steps that: triethanolamine, namely TEA is added to CuSO4 solution to form steady CuIITEA water solution, and then KSCN is added so as to obtain water-based electrolyte of electrodeposited CuSCN; washed indium tin oxide conductive glass is used as sedimentation basement and put into a three-electrode battery containing 0.01MCuSO4+0.10MTEA+0.05MKSCN water-based electrolyte; by exerting the working voltage between -200 mV and -500mV and carrying out the electrodeposition for half an hour at 0-50 DEG C, a compact CuSCN thin film is obtained. The p-CuSCN thin film is used as solid electrolyte for nano-crystalline photoelectrochemical solar cells.
Owner:TIANJIN UNIV
Cuprous oxide/cuprous thiocyanate heterojunction photoelectric film and preparation method thereof
ActiveCN110473927AImprove photoelectrochemical performanceEasy to separateFinal product manufacturePhotovoltaic energy generationHeterojunctionCharge carrier mobility
The invention belongs to the technical field of semiconductor photoelectricity, and particularly relates to a cuprous oxide / cuprous thiocyanate (Cu2O / CuSCN) heterojunction photoelectric film and a preparation method thereof. The invention provides a Cu2O / CuSCN heterojunction photoelectric thin film and a preparation method thereof. The method comprises the following steps that; a CuSCN photoelectric thin film prepared through electrochemical deposition is subjected to alkali liquor soaking treatment for a certain period of time to prompt the CuSCN to react in situ to generate Cu2O so that theCu2O / CuSCN heterojunction photoelectric thin film is constructed in situ. The problems of relatively low photo-generated carrier mobility, relatively high recombination rate and the like of the CuSCNphotoelectric thin film are solved to a relatively large extent, and the photoelectrochemical performance of the CuSCN photoelectric thin film is greatly improved. The Cu2O / CuSCN heterojunction photoelectric thin film and the preparation method thereof provided by the invention have the advantages that the modification means is simple, the heterojunction structure is easy to regulate and control,the modification effect is obvious, the cost is low and the like.
Owner:CHINA JILIANG UNIV
Carbon quantum dot loaded cuprous thiocyanate photovoltaic film and preparation method thereof
ActiveCN106847951AImprove photoelectric propertiesSimple structureElectrolytic inorganic material coatingFinal product manufactureComposite filmElectrochemistry
The invention belongs to the field of semiconductor photovoltaic films, and particularly relates to a carbon quantum dot loaded cuprous thiocyanate (CuSCN) photovoltaic film and a preparation method thereof. The carbon quantum dot loaded CuSCN photovoltaic film and the preparation method thereof are characterized in that according to the composite film, the formation of a CuSCN nanometer rod array structure and loading of each carbon quantum dot are achieved at the same time through the electrochemical deposition method, wherein the diameter of a nanometer rod is about 80-90 nm, and the particle size of the loaded carbon quantum dots is about 3-5 nm; compared with a CuSCN photovoltaic film, the composite film is higher in photoelectric current intensity and lower in electrochemical resistance value, after the carbon quantum dots are loaded, effective separation and migration of CuSCN film photon-generated carriers are promoted, and therefore better photoelectric characteristics are shown. The carbon quantum dot loaded cuprous thiocyanate (CuSCN) photovoltaic film is good in photoelectric characteristic, the preparation method is simple, the technology conditions are easy to regulate, and the carbon quantum dot loaded CuSCN photovoltaic film and the preparation method thereof are beneficial to the structure and performance modulation of the CuSCN photovoltaic film and the application in the photovoltaic field.
Owner:CHINA JILIANG UNIV
Novel comprehensive pretreatment method of albendazole high-concentration sulfur-containing wastewater
ActiveCN105948309AEfficient recyclingMild reaction conditionsWater contaminantsMultistage water/sewage treatmentPretreatment methodSulfite salt
The invention relates to a novel comprehensive pretreatment method of high-concentration sulfur-containing wastewater in albendazole production and aims to solve the problem that high-concentration sulfur-containing wastewater in albendazole production is high in treatment cost and harsh in treatment condition. Albendazole high-concentration sulfur-containing wastewater mainly contains sulfur-containing compounds like sodium sulfide (Na2S), sodium thiosulfate (Na2S2O3), sodium thiocyanate (NaSCN), sodium sulfite (Na2SO3) and sodium sulfate (Na2SO4), sodium bromide (NaBr) and a small amount of organic impurities. The method includes: adding a fixed quantity of ferrous sulfate into the high-concentration sulfur-containing wastewater, and filtering after reaction to obtain byproducts ferrous sulfide and filtrate 1; adding copper sulfate into the filtrate 1, and filtering after reaction to obtain byproducts cuprous thiocyanate and filtrate 2; cooling the filtrate 2 to 0-10 DEG C, crystallizing to obtain filtrate 3 and filter residue 3 which mainly contains sodium sulfate (Na2SO4), and recrystallizing to obtain a byproduct anhydrous sodium sulfate, and entering wastewater after bromine is recycled, wherein the filtrate 3 mainly contains bromide ions and recyclable bromine. The pretreatment method is mild in reaction condition, low in equipment requirement, good in treatment effect, simple and convenient to operate, capable of recycling byproducts, low in treatment cost and convenient for industrial application.
Owner:河南豫辰药业股份有限公司
Antifouling material and preparation method thereof
ActiveCN111234694AWith elastic characteristicsChange the way of peeling and detachingAntifouling/underwater paintsPaints with biocidesXylyleneEcological environment
The invention belongs to the technical field of marine organism fouling protection. The invention relates to an antifouling material and a preparation method thereof. The antifouling material is prepared from polydimethylsiloxane, a surface microstructure adjusting component, a surface chemical property adjusting component and a curing component. A specific technological process of the preparationmethod of the antifouling material is as follows: sequentially adding polydimethylsiloxane, the surface microstructure adjusting component acrylonitrile structure-containing organic silicon resin, and the surface chemical property adjusting component into a stirring kettle, grinding the components, adding a curing component to form a coating, and coating the surface of a base material with the coating diluted by xylene to obtain the antifouling material with a synergistic effect of multiple antifouling properties. Compared with the prior art, no antifouling agent such as cuprous oxide, cuprous thiocyanate and organic tin is used, so that no destructive influence is caused to the marine ecological environment, the antifouling period can reach 5 years or longer, and the antifouling agent can be widely applied to surface marine organism fouling protection of marine engineering facilities and structures such as docks, drilling platforms, piers and piles and has good potential economic benefits.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
General-purpose ship bottom antifouling paint
InactiveCN106349777AEasy to makeEasy to useAntifouling/underwater paintsPaints with biocidesSodium PyrithionePolyvinyl chloride
The invention discloses a general-purpose ship bottom antifouling paint which comprises the following components in parts by weight: 20 parts of propyl methoxyacetate, 5 parts of zinc pyrithione, 10 parts of cuprous thiocyanate, 12 parts of titanium tetraisopropoxide, 16 parts of butanol, 14 parts of butyl acetate, 16 parts of dimethylbenzene, 8 parts of polyvinyl chloride, 6 parts of triphenyl phosphate, 4 parts of isopropyl acrylate and 8 parts of dodecylbenzene sulfonic acid. The general-purpose ship bottom antifouling paint is simple to manufacture, and adopts nontoxic production raw materials. The paint has the advantages of favorable use effect and environment friendliness, can form a tough coating, and has favorable use effect.
Owner:江苏广能重工有限公司
Oil-resistant mildew-resistant modified bituminous paint and preparation method thereof
InactiveCN104312431AImprove wear resistanceGood oil resistanceFireproof paintsConjugated diene hydrocarbon coatingsPolymer scienceMelamine formaldehyde resin
The invention discloses oil-resistant mildew-resistant modified bituminous paint. The oil-resistant mildew-resistant modified bituminous paint is prepared from 16-21 parts by weight of modified asphalt, 12-14 parts by weight of urea-formaldehyde resin, 0.5-1.0 part by weight of oxalic acid, 0.5-1.0 part by weight of aluminum phosphate, 6-8 parts by weight of modified waste sodium silicate sand, 19-22 parts by weight of terpolycyantoamino-formaldehyde resin, 4-6 parts by weight of methylene bis(cyclohexylammonium), 2-3 parts by weight of disodium sebacate, 2-4 parts by weight of cuprous thiocyanate, 1-3 parts by weight of liquid nitrile rubber, 3-4 parts by weight of nanometer diatomite, 1-2 parts by weight of nanometer calcium carbonate, 1-2 parts by weight of a silane coupling agent KH-560, 0.5-1.0 part by weight of a JWK 200 antistatic agent, 2-3 parts by weight of barium metaborate, 1-2 parts by weight of di-n-octyltin-dithioglycolate, 4-6 parts by weight of coal tar, 7-9 parts by weight of acetone and 10-13 parts by weight of xylene. The oil-resistant mildew-resistant modified bituminous paint utilizes modified asphalt as a main body. The used urea-formaldehyde resin improves paint wear resistance, oil resistance, mildew resistance and insulating properties. The used modified waste sodium silicate sand improves poor asphalt resistance to heat and improves paint resistance to heat, acids and fire. The used cuprous thiocyanate can prevent aquatic organism adhesion and reduce fuel consumption of maritime ships.
Owner:TIANCHANG JULONG TRAVEL PAINT
Method for preparing cuprous thiocyanate by using ammonia-process coking desulfurization waste liquid
InactiveCN108516566AAchieve conversionAchieving the dual purpose of synthesisThiocyanic acidAmmonium sulfatesActivated carbonFiltration
A method for preparing cuprous thiocyanate by using ammonia-process coking desulfurization waste liquid is disclosed. The method comprises the following steps: adding ammonia water to a saturated copper sulfate solution and introducing sulfur dioxide gas to obtain a copper source precursor, and then adding activated carbon into ammonia-process desulfurization waste liquid and stirring for decoloration and filtering to obtain decolored desulfurization waste liquid, stirring the decolored desulfurization waste liquid with sulfuric acid and adding an oxidizing agent for treatment, drying to obtain pretreated salt-mixture, adding liquid sulfur dioxide to the pretreated salt-mixture and stirring to obtain primary and secondary extracting solutions, combining the primary and secondary extractingsolutions to obtain a thiocyanate precursor, finally mixing the copper source precursor with the thiocyanate precursor and stirring to carry out a reaction, separating by filtration, washing filter residue to obtain cuprous thiocyanate, and evaporating and drying a filtrate to obtain ammonium sulfate. By the above method, the conversion of ammonium thiocyanate to downstream high added-value products is realized, the problem that the sale of ammonium thiocyanate is not smooth and the overstocking is serious is solved, the economic benefit is improved, and the dual purposes of treatment and synthesis of the desulfurization waste liquid are achieved.
Owner:TAIYUAN UNIV OF TECH
Process for electrodeposition preparation of cuprous sulfocyanide film in aqueous solution
InactiveCN1621569AImprove stabilityLow costElectrolytic inorganic material coatingFinal product manufactureOrganic solventElectrochemistry
The water solution electrodepositing process of preparing cuprous thiocyanate (CuSCN) film includes the following steps: dissolving copper salt, thiocyanate and chelate in certain proportion into water as solvent; regulating the pH value to 2-7 to obtain electrolyte solution for electrodeposition; static complexing and homogenizing of the electrolyte solution for 4-72 hr; cleaning the base for electrodeposition with organic solvent, acid solution, alkali solution and water; and electrodepositing in common electrochemical deposition process. The electrochemical deposition process has temperature 15-75 deg.c and deposition potential from 0.2 v to -0.65 v. The deposited CuSCN film is water washed and dried at 60-100 deg.c. The present invention has the features of high stability of the electrodepositing solution, high depositing efficiency, low cost, less pollution and being suitable for various kinds of base material.
Owner:TIANJIN UNIV
Copper sulfide quantum dot/cuprous thiocyanate heterojunction photoelectric film and preparation method thereof
ActiveCN110911509AModification method is simpleImprove photoelectrochemical performanceLight-sensitive devicesElectrolytic inorganic material coatingHeterojunctionQuantum dot
The invention belongs to the technical field of semiconductor photoelectricity, and particularly relates to a copper sulfide quantum dot / cuprous thiocyanate (CuS QDs / CuSCN) heterojunction photoelectric film and a preparation method thereof. The invention provides a CuS QDs / CuSCN heterojunction photoelectric thin film and a preparation method thereof. The film is characterized in that CuS quantum dots are loaded on the surface of a CuSCN nanorod thin film through an electrochemical deposition process to construct and prepare a CuS quantum dot / CuSCN heterojunction photoelectric thin film. The heterojunction formed by the CuS quantum dots and the CuSCN effectively promotes the separation of photo-generated charges and reduces the recombination of photo-generated carriers, and the photoelectrochemical performance of the CuSCN photoelectric thin film is greatly improved. The CuSQDs / CuSCN heterojunction photoelectric thin film and the preparation method thereof provided by the invention havethe advantages that the modification means is simple, the heterojunction structure is easy to regulate and control, the modification effect is obvious, the cost is low and the like.
Owner:CHINA JILIANG UNIV
2-oxazolidinone derivative preparation method
The present invention relates to a 2-oxazolidinone derivative preparation method, belongs to the technical field of organic synthesis. The preparation method is as follows: introducing carbon dioxide into primary amine, to obtain ammonium carbamate salt; then mixing the ammonium carbamate salt with a catalyst, a solvent, terminal alkyne and aldehyde; sealing the materials and stirring the materials at 40-120 DEG C for 8-24 h; after completion of the reaction, performing silical gel column chromatography, to obtaining the 2-oxazolidinone derivative, wherein the catalyst is cuprous chloride, cuprous bromide, cuprous iodide, cuprous thiocyanate, copper trifluoromethane sulfonate, cuprous oxide, copper sulfate, copper nitrate, or copper acetate; and the solvent is methanol, ethanol, ethylene glycol, diethylene glycol, isopropanol or N,N-dimethylformamide. According to the preparation method, the carbon dioxide is used as a protection agent of the primary amine and meanwhile as a reactant, and therefore the amount of catalyst is greatly reduced, the reaction efficiency is improved, and the reaction is performed at the atmospheric pressure, so that no oxygen-free operation is needed, the reaction is simple and safe, and the raw materials are cheap and readily available.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A preparing method of a Cu2S/g-C3N4 heterojunction photocatalyst
InactiveCN108906099ARaw materials are easy to getLow costPhysical/chemical process catalystsHeterojunctionTube furnace
The invention relates to the technical field of photocatalysts, and particularly relates to a preparing method of a Cu2S / g-C3N4 heterojunction photocatalyst. The method includes one-step calcining todirectly obtain the Cu2S / g-C3N4 composite catalyst. A certain amount of cuprous thiocyanate is mixed with ammonium chloride, the mixture is fully ground and then calcined in a tubular furnace, and a product is washed with distilled water and then dried to obtain the Cu2S / g-C3N4 heterojunction photocatalyst. The photocatalyst is prepared through a one-step calcining manner, and a preparation process is simple. The photocatalyst has good visible light response capability, a heterojunction structure facilitates separation of photo-induced electron and holes, catalytic activity is high, and the photocatalyst has high practical value and a good application prospect in the field of environment protection. Raw materials of the photocatalyst are easily available and low in cost, a reaction condition is mild, and the method is free of environment pollution and prone to industrial production.
Owner:常州科力尔环保科技有限公司
Sterilization and algae removal fishing net
The invention relates to a sterilization and algae removal fishing net, and belongs to the fishing gear field. The sterilization and algae removal fishing net comprises the following raw materials, 10-40% of chlorine dioxide, 10-30% of cetyl octyl dimethyl ammonium bromide, 10-20% of polyoxyethylene, 10-20% of cuprous thiocyanate, 10-20% of sodium carbonate, 10-20% of calcium propionate and 10-20% of modified plasticizers, and the sum of the percentages of the raw materials is 100%. A plurality of chemical raw materials are added, and sterilization and algae removal functions can be achieved. Chlorine dioxide is used in the materials, chlorine dioxide is a nontoxic environmental disinfectant, and thus damage of chemical raw materials after oxidation to human bodies can be avoided. In addition, the plasticizers are added in the raw materials, the fishing net quality can be raised, and the service life of the fishing net is prolonged.
Owner:巢湖市大江渔具有限公司
Flexible cuprous oxide film, and preparation method and applications thereof
The invention belongs to the technical field of functional film, and more specifically relates to a flexible cuprous oxide film, and a preparation method and applications thereof. According to the preparation method, cuprous thiocyanate film is taken as a precursor, immersion treatment in an alkaline solution is adopted, chemical reaction in-suit preparation is adopted so as to obtain the flexiblecuprous oxide film. The preparation method comprises following specific steps: precipitation of copper film on a flexible substrate is carried out firstly; the copper film is immersed in a thiocyanate solution, and chemical reaction is adopted so as to form the cuprous thiocyanate film on the plastic substrate; the cuprous thiocyanate film is immersed in an alkaline solution for reaction so as toobtain the cuprous oxide nano wire film formed through in-suit formation on the plastic substrate. The flexible cuprous oxide film is convenient for large area large scale production, possesses bending resistance, is foldable, and is stable in the structure and performance. The flexible inorganic semiconductor film is high in application value in the fields of flexible functional material and flexible device.
Owner:FUDAN UNIV
A kind of double-sided cadmium telluride thin-film solar cell and its preparation method
ActiveCN108172640BIncrease power generationImprove performanceFinal product manufacturePhotovoltaic energy generationIndiumElectrical battery
Owner:CNBM CHENGDU OPTOELECTRONICS MATERIAL
Multifunctional coating for electric power insulator and preparation method of multifunctional coating
InactiveCN105111803AThe preparation process is simpleImprove insulation performanceFireproof paintsAntifouling/underwater paintsCarbamateSodium phosphates
The invention relates to a multifunctional coating for an electric power insulator. The multifunctional coating for the electric power insulator consists of the following components in part by mass: 68-72 parts of copper thiocyanate, 70-74 parts of zinc pyrithione, 66-70 parts of menadione epoxy, 70-74 parts of acetyl trioctyl citrate, 66-70 parts of p-phenylene diamine, 70-74 parts of zinc borate, 66-70 parts of talcum powder, 72-76 parts of kaoline powder, 66-70 parts of dipentaerythritol hexaacrylate, 70-74 parts of dibasic lead phthalate, 66-70 parts of tetramethrin, 70-74 parts of ethyl spinosad, 66-70 parts of diafenthiuron, 70-74 parts of strontium carbonate, 66-70 parts of polyurethane, 70-74 parts of siliceousearth, 66-70 parts of stannous octoate, 70-74 parts of melamine sodium phosphate and 1000-2000 parts of water. A technological preparation method of the multifunctional coating for the electric power insulator is simple; prepared products have good corrosion resistance, fireproofing, flame retardance, insulating property and anti-bacterial property; and the multifunctional coating for the electric power insulator is suitable to be used in various fields.
Owner:龚灿锋
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