75 results about "Halide" patented technology

Disclosed is an oxygen scavenger composition including iron powder, activated carbon, water, a halide of an alkaline earth metal, and an alkaline substance, in which a content of the activated carbon is 20 parts by mass or more and 40 parts by mass or less with respect to 100 parts by mass of a content of the iron powder, a content of the water is 230 parts by mass or more and 370 parts by mass or less with respect to 100 parts by mass of the content of the activated carbon, and a content of the halide of the alkaline earth metal is 50 parts by mass or more and 65 parts by mass or less with respect to 100 parts by mass of the content of the water.

The invention discloses a method for dehalogenation reduction of electron-rich aryl halide, which comprises the following step: by taking aryl halide as a raw material, carrying out heating reaction in the presence of phosphorous acid, elemental iodine and a solvent to prepare a corresponding aromatic compound. According to the method, the defect that expensive transition metal catalysts and equivalent metal reagents need to be used for participation in current mainstream methods is directly avoided, the electron-rich aryl halide is subjected to one-step dehalogenation reduction to obtain the corresponding aromatic hydrocarbon by taking low-cost, low-toxicity and relatively stable phosphorous acid as a reducing agent and taking the iodine elementary substance as a catalyst, and the method has the advantages of no metal participation, simple operation, low cost and the like. The method has the advantages of simple operation, low cost, environmental protection and the like, avoids the use of a metal reagent and the limitation that special equipment is not easy to amplify production, after the phosphorous acid reaction is finished, byproducts are generally phosphoric acid and corresponding phosphorus salts thereof and can be quickly removed by washing, the post-treatment is simple, and the method is beneficial to industrial production.

The objective of the present invention is to provide a method for producing a carbonyl halide safely and efficiently. The method for producing a carbonyl halide according to the present invention is characterized in comprising the step of irradiating a light to a halomethane having 1 or more halogeno groups selected from the group consisting of chloro, bromo and iodo in the presence of oxygen and ozone.

To provide materials and methods for mitigating the effects of halide species contained in a process stream.SOLUTION: The halide-containing process stream may be contacted with an abatement material combined with a solid, porous substrate comprising an active metal oxide and a non-acidic, high surface area support. The halide species in the process stream may react with the abatement material to produce a process stream that is essentially free of neutralized halide salts and halides. The neutralized salt can be attracted to and retained on the solid porous substrate.SELECTED DRAWING: Figure 1

The invention belongs to the field of perovskite devices, and particularly discloses a bromine-chlorine mixed blue-light perovskite thin film, a preparation method and a perovskite LED device. The bromine-chlorine mixed blue-light perovskite thin film is prepared from the following raw materials: cesium halide, lead bromide, lead chloride and alkaline earth metal bromide; the alkaline earth metal bromide comprises at least one of calcium bromide, strontium bromide and barium bromide; the ratio of the mole number of the alkaline earth metal bromide to the total mole number of Pb in lead bromide and lead chloride is not greater than 0.5. The bromine and chlorine mixed blue light perovskite is doped by adopting the alkaline earth metal bromide with a low-solubility perovskite phase, and the molar ratio of the doping amount of the alkaline earth metal bromide is not higher than 0.5, so that the nonuniform bromine and chlorine distribution of the blue light perovskite thin film in the film forming process is improved, the halogen separation under an electric field is inhibited, and the spectral stability is improved; by directly doping in the precursor, the preparation process is simple, and the method is suitable for large-scale industrial production.

The invention relates to a Zn < 2 + > ion doped Cd-based halide perovskite luminescent material and a preparation method thereof, and belongs to the field of X-ray luminescence and detection. The chemical formula of the luminescent material is shown in the specification. CsCd (1-x) Cl3: xZn < 2 + >, wherein 0 lt; x is smaller than or equal to 0.4. The luminescent material is obtained by mixing Zn < 2 + > ions, Cd < 2 + > ions and Cs < + > ions at room temperature. The preparation method comprises the following steps: fully dissolving Zn < 2 + > ions and Cd < 2 + > ions in concentrated hydrochloric acid according to a molar ratio, adding a precursor solution containing Cs < + > ions, magnetically stirring for a plurality of hours, and drying to obtain the luminescent material. The luminescent material not only has the light yield as high as 83700 photons MeV <-1 >, but also has the extremely low detection limit of 52.3 nGyairs <-1 >. In addition, the X-ray luminescent material has the advantages of being easy to prepare, low in cost, good in stability and the like, and is suitable for large-scale production.

The present invention relates to a process for the preparation of (4Z)-11,11-dialkoxy-4-undecenyl triaryl phosphonium halides of general formula (3-Z), wherein Y represents a halogen atom, Ar represents independently of each other an aryl group, R 1 and R 2 represent independently of each other a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R 1 and R 2 may together form a divalent hydrocarbon group R 1 -R 2 having 2 to 10 carbon atoms, which process comprises: subjecting a (7Z)-11-halo-1,1-dialkoxy-7-undecene compound of general formula (1-Z), wherein X 1 represents a halogen atom, R 1 and R 2 are as defined above, to a phosphonium salt forming reaction with a phosphine compound of general formula (2), wherein Ar is as defined above, to form said compound (3-Z); and also relates to a compound of general formula (A) L(CH2)3CH=CH(CH2)5CH(OR 1 )(OR 2 )(A), wherein R 1 and R 2 are as defined above.

Methods of removing molybdenum oxide from a surface of a substrate comprise exposing the substrate having a molybdenum oxide layer on the substrate to a halide etchant having the formula RmSiX4-m, wherein m is an integer from 1 to 3, X is selected from iodine (I) and bromine (Br) and R is selected from the group consisting of a methyl group, ethyl group, propyl group, butyl group, cyclohexyl group and cyclopentyl group. The methods may be performed in a back-end-of-the line (BEOL) process, and the substrate contains a low-k dielectric material.

Disclosed is a quantum dot production method that can improve EQE. The quantum dot production method of the present application is characterized by comprising a step of producing a core and a step of coating a shell on the surface of the core. The step of coating the shell is performed by mixing an acidic compound and a zinc halide compound in a shell material. The step of coating the shell is preferably divided into a first half and a second half. The shell is coated in the first half using a shell material mixed with the acidic compound but not mixed with the zinc halide compound, and the shell is coated in the second half using a shell material mixed with both the acidic compound and the zinc halide compound.

The invention provides a process for preparing molybdenum and tungsten oxyhalide compounds which are useful in the deposition of molybdenum and tungsten containing films on various surfaces of microelectronic devices. In the process of the invention, a molybdenum or tungsten trioxide is heated in either a solid state medium or in a melt-phase reaction comprising a eutectic blend comprising alkaline and / or alkaline earth metal salts. The molybdenum or tungsten oxyhalides thus formed may be isolated as a vapor and crystallized to provide highly pure precursor compounds such as MoO2Cl2.

A process for depositing a high quality smooth and continuous silicon-containing film comprising: a) providing at least one substrate in a reactor, b) heating the reactor to at least one temperature in the range of ambient temperature to about 750 DEG C, and optionally maintaining the reactor at a pressure of about 100 torr or less, c) introducing into the reactor at least one first silicon precursor comprising at least one organic amino group and at least one halide group and having the formula: SiHmXn (NR1R2) 4-m-n wherein m-0, 1, 2; m is 1, n-1, 2, 3, and m + n is less than 3; x is selected from the group consisting of Cl, Br and I; r1 and R2 are each independently selected from the group consisting of a linear or branched C1 to C10 alkyl group, a linear or branched C3 to C10 alkenyl group, a linear or branched C3 to C10 alkynyl group, a C3 to C10 cycloalkyl group, a C2 to C6 dialkylamino group, an electron withdrawing group, and a C6 to C10 aryl group, to form a first silicon-containing layer, d) purging any unreacted precursor from the reactor with an inert gas, e) introducing a nitrogen source to react with the first silicon-containing layer to form a seed layer comprising at least one selected from the group consisting of silicon nitride and carbon-doped silicon nitride, f) purging the reactor with an inert gas, g) introducing into the reactor at least one second silicon precursor comprising a halogenated silicon-containing compound, the first silicon-containing layer comprises at least one selected from the group consisting of silicon nitride, carbon-doped silicon nitride, silicon oxynitride, and carbon-doped silicon oxynitride, h) purging the reactor with an inert gas, i) introducing a nitrogen source to react with the second silicon-containing layer to form silicon nitride or carbon-doped silicon nitride, and d) introducing a nitrogen source to react with the silicon nitride or carbon-doped silicon nitride to form a second silicon-containing layer comprising at least one selected from the group consisting of silicon nitride, carbon-doped silicon nitride and carbon-doped silicon oxynitride. And j) purging the reactor with an inert gas.

The invention provides a method for catalyzing free radical-nucleophilic addition halogenation-functionalization of alkene through a visible light induced iron-based material, and belongs to the technical field of organic chemistry. According to the method, olefin is taken as a reaction substrate, inorganic halide MXn is taken as a halogen source, in the presence of a nucleophilic reagent Nu, a halogen functionalization reaction of olefin is efficiently and highly selectively realized through co-catalysis of an iron-based material and visible light, C-X (X = Cl, Br) and C-Y (Y = X, O, S) are constructed at the same time, and a halogen-functionalization product is prepared. According to the method, halide ions are used for replacing traditional halogen simple substances, and olefin which is low in price and easy to obtain is directly converted into the halide which contains a plurality of functional groups and has a high additional value and subsequent derivation potential through free radical-nucleophilic addition under a mild condition. The method has the advantages of environment friendliness, high selectivity, low energy consumption and the like, and has important theoretical significance and practical application value.

A composite solid-state electrolyte material, comprising a crystalline phase component and an amorphous phase component. The chemical general formula of the crystalline phase component is expressed as: B%AaREbX1 cDg <sb / >+C%AdMeX2 fDh, A being a carrier, RE being a rare earth element, M being a metal element, X1 and X2 being halide anions, D being an anion doping element or group, 0≤a≤3, 0<b≤1, 0.5<c≤12, 0<d≤5, 0<e≤2, 1<f≤20, 0≤g≤4, 0≤h≤5, AaREbX1 cDg and AdMeX2 fDh being crystalline phase substances, B% being the mass fraction of AaREbX1 cDg in the composite solid-state electrolyte material, C% being the mass fraction of AdMeX2 fDh in the composite solid-state electrolyte material, 85<B+C<98, 10%<B%≤85%, 10%<C%≤85% and 0.2≤C / B≤10.

A halide includes a crystal having a composition represented by ASn2X5. In the composition, A is a molecular cation containing at least one nitrogen atom and X is a halogen element.

This invention provides a multifunctional halide material, its preparation method, and its application; the multifunctional halide material includes at least one of the following: (I) Li 2‑x M 1‑x A x Cl4;(II) Li 2‑x M' 1‑ x A x Cl4;(II)Li 2‑x M'' 1‑x A x Cl 4‑3x E 3x The multifunctional halide material of this invention possesses both high ionic conductivity and partially reversible delithiation capability, providing additional lithium ions to achieve a lithium replenishment effect.

The invention discloses a melt-processable perovskite material for direct X-ray detection, and a method and application thereof, and belongs to the technical field of direct X-ray detection. The molecular formula of the meltable perovskite detection material is A2PbX4; wherein A < + > is an A-site organic cation, and the organic cation contains 2-5 carbon atoms and an amino group; x <-> is halogen or halogen-like anions. According to the invention, cation characteristics are optimized by introducing nitrogen heterocyclic rings, conjugated double bonds, elements with strong electronegativity and the like into an organic cation structure. Meanwhile, an anion alloying method is combined to carry out coordinated regulation and control on anion components, so that regulation and control on the characteristics such as the melting point, the decomposition temperature and the sensitivity of the perovskite are realized, the meltable perovskite material is obtained, and the problem that the conventional melt method is difficult to realize regulation and control on the characteristics such as the melting point, the decomposition temperature and the sensitivity of the perovskite is solved; and the technical problem that the perovskite material is difficult to prepare by a melt method is solved.

The present disclosure discloses a cathode material containing a halogen-oxygen compound, a method for preparing the same, and a cathode plate. The method includes the steps: ball milling at least one crystalline phase cathode material and at least one halide, and converting the halide into the halogen-oxygen compound through corrosion and a solid solution reaction during a ball milling process, so as to obtain the cathode material containing the halogen-oxygen compound. The cathode material provided by the present disclosure has a high ionic conduction rate and a low coefficient of expansion, as well as high capacity and good cycling performance.

An embodiment provides a method for measuring a halide in a sample, including: adjusting the pH of the sample with an amount of p-Toluenesolfonic acid (p-TSA); introducing silver 2, 4, 6-Tripyridyl-s-triazine (silver TPTZ) and an amount of iron (II) to the sample to make a reaction solution, wherein the sample comprises an amount of a halide; and measuring, using a color method, the amount of the halide in the sample by measuring an intensity of the absorbance of the reaction solution. Other aspects are described and claimed.

This disclosure provides a vessel and methods for handling high-purity phosphorus fluoride compounds. The vessel can include a phosphorus fluoride component including a phosphorus fluoride compound with a purity of at least 99.9%, as measured by gas chromatography and / or infrared spectroscopy. Also disclosed is a method which includes obtaining a solid component containing a metal fluorophosphate compound and water, heating the solid component to remove water, and further heating to form a phosphorus fluoride compound with a purity of at least 99.9%, as measured by gas chromatography and / or infrared spectroscopy.

Provided is a method for efficiently producing a carbonyl halide from a halogenated methane. The method for producing a carbonyl halide according to the present invention is characterized by comprising the steps of: a step of preparing a mixed gas containing a halogenated methane and oxygen, the halogenated methane having one or more halogen groups selected from the group consisting of chlorine, bromine, and iodine; and a step of flowing the mixed gas and irradiating the flowing mixed gas with high-energy light.

A method of fabricating a halide perovskite having a general formula of ABX3, wherein A, B, and X are inorganic elements and X is a halide, the method including a vapor-liquid-solid process triggered by a catalyst formed from a noble metal; A nanowire of the halide perovskite and a photoelectronic device thereof.

The present application relates to alkali halide scintillators and uses thereof. A scintillator can include a single crystal compound having the general formula Na (1‑y) Li y X, where 0

The invention involves bringing a metal inner surface of a container used in petrochemical or refining processes into contact with a halide or a halide-containing compound, resulting in at least a portion of the halide bonding to the inner surface, and releasing at least a portion of the halide bonded to the inner surface through contact with hydrogen.

The invention provides a method for directly preparing alpha-monohalogenated ketone by co-catalyzing alkyne through a visible light-iron-based material, and belongs to the technical field of organic synthesis.The method comprises the steps that alkyne serves as a reaction substrate, and under visible light irradiation, high-selectivity conversion from alkyne to alpha-monohalogenated ketone is achieved in one step through the synergistic effect of an iron-based catalyst and inorganic halide. According to the method, cheap and nontoxic inorganic halide is adopted as a halogen source, reaction conditions are mild, catalysis of a strong oxidant, precious metal and rare metal is not needed, and the method has good functional group compatibility and high selectivity. The method disclosed by the invention is simple and convenient to operate, mild in condition and environment-friendly, provides a new strategy for clean synthesis of alpha-halogenated ketones, especially monohalogenated ketone compounds, and has a good application prospect.

An embodiment provides a method, for measuring a halide in a sample, including: adjusting the pH of the sample with an amount of p-Toluenesolfonic acid (p-TSA); introducing silver 2, 4, 6-Tripyridyl-s-tria'zine (silver TPTZ) and an amount of iron (II) to the sample to make a reaction solution, wherein the sample comprises an amount of a halide; and measuring, using a color method, the amount of the halide in the sample by measuring an intensity of the absorbance of the reaction solutio. Other aspects are described and claimed.

The application discloses a kind of lead-free halide Cs (Ag 1‑ x Cu x )2I3 Preparation and application, belong to the field of luminescent material.The application has prepared a kind of Cu + And Ag + Doped Cs (Ag 1‑x Cu x )2I3 Lead-free halide, preparation method is: first, CsI, AgI and CuI are dissolved in N, N-dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) mixed solvent;It is heated and stirred for 6 hours under 20~90 ℃, makes it completely dissolved;Then, titration is carried out with methanol, when white powder appears, stop titration;Then filter with filter head, the transparent solution after filtering is injected into beaker, and tin paper and paraffin film with small holes are sealed to the mouth of beaker;Finally, growth device is placed into sealed large beaker with methanol, keeps 2~7 days under 40~80 ℃, can obtain Cs (Ag 1‑x Cu x )2I3 Crystal;The Cs (Ag 1‑x Cu x )2I3 Crystal prepared can be applied to the degradation of organic pollutants.

This invention relates to a zirconium-based halide solid electrolyte material based on medium-entropy engineering design, its preparation method, and its application in all-solid-state batteries. The chemical formula of the electrolyte material is given by [formula omitted], where 0.1 ≤ x ≤ 0.4. This invention achieves this by synergistically introducing heterovalent Yb. 3+ With the same price Hf 4+ For Zr 4+ The site undergoes co-substitution to construct a structure with medium entropy characteristics (configurational entropy ΔS). conf Solid solutions with ≥ 1.0 R. This design not only utilizes Yb 3+ The heterovalent doping introduces additional charge carriers, and through Hf 4+ The introduction of Yb 3+ This synergistic effect induces lattice distortion and broadens ion migration channels, while significantly improving the long-range order and thermodynamic stability of the crystal structure. The material exhibits high ionic conductivity (1.2 mS / cm at room temperature) and high oxidation potential (>4.2 V vs. Li). + It exhibits excellent cycle stability and is prepared using a two-step ball milling method. This process is simple, low-cost, and suitable for large-scale production, showing broad application prospects in high-energy-density all-solid-state lithium metal batteries.

The application provides an organic-inorganic hybrid lead-based halide perovskite material and a preparation method and application thereof. The organic-inorganic hybrid lead-based halide perovskite material has a one-dimensional face-sharing perovskite structure or a quasi-one-dimensional face-sharing perovskite structure, and a chemical general formula of the organic-inorganic hybrid lead-based halide perovskite material is APbX3, A includes an alkyl-substituted triphenylphosphine cation, and X is at least one of halogen elements. The organic-inorganic hybrid lead-based halide perovskite material provided by the application has a one-dimensional or quasi-one-dimensional face-sharing perovskite structure under a specific component composition, can simultaneously realize material properties of no self-absorption and nanosecond-level ultrafast self-trapped exciton emission, has a large Stokes shift, breaks through the traditional STE ''slow decay'' fixed limit, has a high X-ray absorption capacity, has low detection limit and high spatial resolution, and is suitable for low-dose and high-resolution imaging.

The invention discloses an anion-cation co-doped halide electrolyte and a preparation method and application thereof, the general formula of the electrolyte is Li < 3-a > M < 1-a > NaCl < 6-b > Br (0 < = a < = 0.6, 0 < = b < = 2.4), M is selected from one or more of Y < 3 + >, Ho < 3 + >, Er < 3 + >, Yb < 3 + > and Lu < 3 + >; n is selected from one or more of Zr < 4 + >, Ta < 5 + >, In < 3 + > and Sc < 3 + >. Cooperative doping is achieved by introducing high-valence / covalent cations N and large-radius anions Br <->, the lattice structure is jointly regulated and controlled, the high-valence cations create lithium vacancies, the latter broadens a transmission channel, and therefore when the specific doping amount is achieved, the crystal structure is induced to be converted into a ccp phase with the high ionic conductivity from an hcp phase with the low ionic conductivity. The preparation method is based on direct solid-phase sintering, has the advantages of simple process, low cost and stable product structure, and is very suitable for manufacturing all-solid-state lithium batteries with high safety and high performance.