554 results about "Metal halides" patented technology

The invention relates to the technical field of mesoporous carbon material preparation, in particular to a high-temperature mesoporous carbon preparation method which comprises the following steps: S1, mixing a metal halide and an inorganic hydrogen bond donor, and heating and stirring until a solution is clear to obtain an inorganic eutectic solvent; s2, mixing the inorganic eutectic solvent and a biomass raw material for reaction; s3, filtering and washing the material obtained in the step S2; and S4, carbonizing the material obtained in the step S3 in a high-temperature inert atmosphere to obtain the high-temperature mesoporous carbon. According to the method, the wood fiber biomass such as the lowest-value straw, the lowest-value bamboo and the lowest-value wood dust is directly used as raw materials, component separation does not need to be conducted on the wood fiber biomass, and high-value utilization of a large amount of low-value wood fiber biomass can be achieved. The method is relatively simple in process, relatively mild in condition and relatively high in product yield, and an activating agent does not need to be used. The biomass mesoporous carbon prepared by the method also has a high specific surface area in a huge mesoporous volume state, and the specific capacitance in an alkaline electrolyte exceeds 260F / g.

The invention discloses an inorganic-organic hybrid compound crystal and a preparation method thereof, and belongs to the technical field of organic-inorganic hybrid materials. The preparation method comprises the following steps: mixing raw materials containing hydroiodic acid, organic cage molecules RCC3 and a lead source with a solvent, and carrying out solvothermal reaction to obtain the inorganic-organic hybrid compound crystal. The chemical formula of the prepared inorganic-organic hybrid compound crystal is ({H18 [C72H108N12] 2 [(Pb10I36)]}. 2I), wherein [C72H108N12] is RCC3 acidified by hydroiodic acid, the crystal has a supramolecular three-dimensional structure assembled by a [Pb5I8] 3-anion cluster unit and a protonated RCC3 molecular cage through electrostatic and hydrogen-bond interaction, and belongs to a monoclinic system, and the space group is P21. The crystal structure is a metal halide-based organic-inorganic hybrid crystal constructed by taking an organic molecular cage as nitrogen-containing cations and lead iodide for the first time.

A solid electrode includes particles of an electroactive material, a solid electrolyte comprising particles of an ionic conducting compound having at least one halogen element, a conductive carbon, and a coating deposited on the particles of the electroactive material, the particles of the solid electrolyte, or a combination thereof. The coating includes a metal halide, a metal sulfide, a metal phosphide, a metal oxide, a metal selenide, or a combination of two or more thereof. A method for preparing the solid electrode includes milling a mixture of the electroactive material, the conductive carbon, and the solid electrolyte to produce the coated solid electrode material comprising the coating derived from decomposition products of the ionic conducting compound, the coating deposited on the particles of the electroactive material, the solid electrolyte, or a combination thereof.

The invention discloses a preparation method of a perovskite thin film and a perovskite cell, and relates to the technical field of solar cells. The preparation method of the perovskite thin film comprises the following steps: forming a mixed layer containing PbI2 on a substrate as a metal halide framework layer; coating the metal halide framework layer with an organic ammonium salt solution containing a crystallization regulating agent to obtain a first device; wherein the crystallization regulating agent contains a guanidine group; and carrying out annealing treatment on the first device to obtain the perovskite thin film. According to the perovskite thin film, the problems that perovskite prepared in the prior art is small in grain size and uneven in interface can be solved, and the performance of the perovskite thin film is improved.

The utility model provides a testing device for a metal halogen battery. The testing device comprises a transparent container and a sealing cover, the bottom of the inner side of the transparent container is filled with a solid or liquid positive halogen simple substance; a negative electrode assembly is suspended on the top of the inner side of the transparent container, is positioned above the positive halogen simple substance and is not in direct contact with the positive halogen simple substance; the negative electrode assembly comprises two stacked negative electrode metal sheets and a conductive net clamped between the two negative electrode metal sheets; the conductive net is connected with a cathode lead, the top wall of the transparent container is provided with a first through hole for the cathode lead to pass through, and the upper end of the cathode lead passes through the first through hole and falls outside the transparent container; the side wall of the transparent container is provided with a second through hole for the positive lead to penetrate through, the inner end of the positive lead abuts against the surface of the negative metal sheet, and the outer end of the positive lead falls outside the transparent container. The testing device disclosed by the utility model can provide reference for selecting proper electrode materials and setting technical parameters during industrial production.

The present invention relates to the technical field of perovskite cells, and in particular to a method for preparing a perovskite film, a film, a perovskite cell, and a stacked cell. The preparation method comprises: preparing a buried substrate; the buried substrate comprising an alkali metal formate; forming a porous film containing a compound having a general chemical formula of BX2 on the buried substrate; and reacting the compound having a general chemical formula of BX2 in the porous film with a compound having a general chemical formula of AX to obtain a perovskite film; wherein B is a metal cation; A is an organic amine cation or an alkali metal cation; and X is a halogen ion or a pseudohalogen anion. Under the combined action of the alkali metal ions and the formate ions, the metal halide film forms a well-oriented porous film, and the pores in the porous film serve as channels for the organic amine cations or alkali metal cations to enter the metal halide film, allowing the metal halide within the porous film to fully react.

The invention discloses a sulfide solid electrolyte stable in wet air, a preparation method thereof and a battery, and belongs to the technical field of all-solid-state batteries, the sulfide solid electrolyte comprises the following raw materials in parts by weight: 20-100 parts of sulfide solid electrolyte and 1 part of metal halide component, the chemical formula of the sulfide solid electrolyte is Li < 6-x > PS < 5-x > Cl < 1 + x >, 0 < = x < = 0.6, the metal halide component comprises at least one metal halide, the chemical formula of the metal halide is MXn, n is greater than or equal to 2 and less than or equal to 4, M is one of Zr, Al, Zn, Sn, Sb and Bi, and X is one of F, Cl, Br and I. The metal halide and the sulfide solid electrolyte in a specific ratio are mixed, subjected to ball milling and then subjected to annealing treatment, and an in-situ doping coating layer is obtained on the surface of the sulfide solid electrolyte; and under the condition that the ionic conductivity of the sulfide solid electrolyte is slightly influenced, the wet air stability of the sulfide solid electrolyte is effectively improved.

The invention is suitable for the technical field of solar cells, and provides a perovskite solar cell module and a preparation method thereof. The perovskite solar cell module comprises an anode, a hole transport layer, a perovskite layer, an electron transport layer and a cathode which are sequentially laminated. An optical active material used for preparing the perovskite layer is metal halide perovskite, and the specific chemical formula is Cs0. 15FA0. 85PbI3; and a cathode interface material used for preparing the cathode interface layer is quinacridone derivative (DCNQA-PyBr). According to the invention, DCNQA-PyBr is used as the cathode interface material to be applied to the perovskite (such as a Cs0. 15FA0. 85PbI3 system) solar cell module, the thick film processing of the cathode interface material can be realized, the energy conversion efficiency of the perovskite solar cell module is improved, and the cathode interface material is suitable for large-scale production and can meet the requirement of large-area industrial production.

Processes for decontaminating a plastic derived oil include contacting a plastic derived oil stream containing halogen-containing compounds with a decontamination catalyst at a reaction temperature of 350-450° C. to produce a decontaminated plastic derived oil and a used decontamination catalyst. The decontamination catalyst includes from 5-40 wt. % red mud particles, from 20-60 wt. % matrix material, and from 10-30 wt. % binder, per unit weight of the decontamination catalyst. Contacting the plastic derived oil stream with the decontamination catalyst at the reaction conditions causes halogen-containing compounds to react to form hydrocarbons and hydrogen halides, which further react with the red mud particles to produce metal halides on surfaces of the red mud particles. The decontaminated plastic derived oil has a concentration of the halogen-containing compounds less than a concentration of the halogen-containing compounds in the plastic derived oil stream.

The invention discloses an organic-inorganic hybrid zero-dimensional metal halide perovskite near-infrared luminescent material as well as a preparation method and application thereof. The chemical general formula of the organic-inorganic hybrid zero-dimensional metal halide perovskite near-infrared luminescent material is (4-Mtp) 2Zn (1-x) Br4: xSb < 3 + >, wherein 4-Mtp is 4-mercaptopyridine, and x is greater than or equal to 0 and less than or equal to 0.2; according to the metal halide near-infrared luminescent material, Sb ions are used for replacing near-infrared luminescence of traditional Cr ions, and the metal halide near-infrared luminescent material can be effectively excited by light within the wavelength range of 325-425 nm to emit near-infrared light with the peak value within the range of 745 nm; as Sb is used as an activating agent, the metal halide calcium near-infrared luminescent material is harmless to the environment and organisms, meanwhile, the metal halide calcium near-infrared luminescent material can be applied to the fields of biological nondestructive testing, long-wave communication, medical treatment, national safety, near-infrared LEDs and the like, the environmental pollution degree is reduced, and the metal halide calcium near-infrared luminescent material has wide application prospects.

The invention relates to a high-performance copper (I)-based glass scintillator material and a preparation method thereof, and particularly discloses a Cu (I)-based hybrid metal halide optimized based on halogen engineering (Cl, Br, I), and the X-ray absorption cross section and the light output performance are remarkably improved. The light yield of the material reaches 79, 770 photons MeV <-1 > and is improved by 180% compared with that before optimization. The transparent glass scintillation screen (optical transmittance gt; the material has excellent X-ray imaging resolution (20.5 lp mm <-1 >), and also shows good thermal stability (stable luminescence performance at a high temperature of 150 DEG C) and anti-radiation durability. The material has the advantages of high light yield, low detection limit, high spatial resolution and the like, provides a breakthrough solution for application of the zero-dimensional halogenated cuprous-based scintillator in the fields of X-ray detection and imaging, and is particularly suitable for the fields of medical diagnosis, industrial nondestructive testing, high-energy physical detection and the like.

The invention discloses a space high-temperature environment tolerant perovskite cell and a preparation method thereof, and relates to the technical field of solar cells, the perovskite cell comprises a substrate, a conductive layer, a hole transport layer, a first oxide layer, a perovskite light absorption layer, a second oxide layer, an electron transport layer, an interface layer and a metal electrode layer which are stacked in sequence, wherein the hole transport layer is made of nickel oxide; the crystal structures of the first oxide layer and the second oxide layer are perovskite crystal structures; the perovskite light absorption layer is made of inorganic metal halide with an ABX3 type structure; the interface layer is made of metal chromium; according to the invention, the problems of easy material decomposition and interface failure of the perovskite cell under a high-temperature condition are improved, and the high-temperature resistance of the perovskite cell is improved, so that the perovskite cell meets the requirement of long-term stable work in a space high-temperature environment.

The invention belongs to the field of hybrid metal halide scintillator materials, and discloses a manganese-based organic-inorganic hybrid metal halide, a scintillator film and a preparation method thereof. The structural formula of the manganese-based organic-inorganic hybrid metal halide is (C33H29NP) xMnXy.zL, in the structural formula, X is one or more of F, Cl, Br and I, 0 lt; x is less than or equal to 2, 0lt; y is smaller than or equal to 4, L is one or more of C2H6O, CH4O, CH2Cl2 and H2O, and z is larger than or equal to 0. The manganese-based organic-inorganic hybrid metal halide scintillator has the advantages of simple synthesis, low cost, environmental friendliness, excellent luminescence performance and the like, and can be effectively excited by ultraviolet light and high-energy X rays. After the scintillator material is prepared into a flexible film, clear imaging under X-rays can be realized, and the scintillator material has certain application potential in the field of medical X-ray imaging and the field of safety inspection.

A method of processing a substrate that includes: flowing a fluorocarbon, a metal halide, and dihydrogen (H2) into a plasma processing chamber, the plasma processing chamber configured to hold a substrate including a dielectric layer including silicon oxide as an etch target and a patterned hardmask including polycrystalline silicon (poly-Si) over the dielectric layer; while flowing the gases, generating a plasma in the plasma processing chamber; and forming a high aspect ratio feature by exposing the substrate to the plasma to etch a recess in the dielectric layer, where a metal-containing passivation layer is formed over the patterned hardmask during the exposing.

A method for etching a metal containing material is provided. The metal containing material is exposed to a halogen containing fluid or plasma to convert at least some of the metal containing material into a metal halide material. The metal halide material is exposed to a ligand containing fluid or plasma, wherein at least some of the metal halide material is formed into a metal halide ligand complex. At least some of the metal halide ligand complex is vaporized.

The present invention provides an antimony-based organic-inorganic hybrid metal halide luminescent material and a preparation method thereof, which is applicable to the photoelectric field. The present invention uses 2-methylpiperazine as an organic ligand to synthesize a luminescent material with the chemical formula (C5H 14 N2)SbCl5 luminescent material, where C5H 14 N2 represents the cationic form of 2-methylpiperazine. The excitation wavelength range of this material is 250 to 400 nanometers, while its emission wavelength covers 450 to 850 nanometers, with the main emission peak at approximately 600 to 650 nanometers. The preparation method of the present invention is characterized by a simple process, low cost, and suitability for large-scale production. In addition, the luminescent material exhibits wide excitation and emission bandwidths and has high luminous efficiency. It can be widely used in the manufacture of light-emitting devices, as well as in applications such as phosphors, spectrum conversion, and display lighting.

Provided are a quantum dot composition, a cured film, and a display device. The quantum dot composition comprises I-III-VI-based quantum dots, wherein the I-III-VI-based quantum dots have two or more types of ligands, and the ligands include: a first ligand that is a reaction product between an aminothiol-based compound and a (meth) acrylate-based compound; and a second ligand that is a metal halide-based compound.

X-ray scintillators based on amorphous organic metal halide hybrid films are demonstrated, which can be prepared via a facile solution processing with a non-crystalline organic halide salt reacting with metal halide at low temperature. The solution processed scintillators exhibit excellent scintillation properties, thermal stability, mechanical resilience, and processability.

The invention relates to an electrochemical sodium metal halide secondary cell (0) comprising a housing (1) and a current collector that is resistant to long-term mechanical and / or chemical stresses and alternating thermal loads, with a cavity (14) containing a reservoir for receiving the secondary electrolyte, as well as a battery module, system comprising the battery module, as well as an energy storage system and its use.

A method for manufacturing a perovskite quantum dot composite material that easily forms core-shell particles through a one-stage synthesis step is provided, along with the perovskite quantum dot composite material and an ink containing the perovskite quantum dot composite material. This perovskite quantum dot composite material suppresses surface defects of the perovskite quantum dots by forming an ionic crystal layer comprising halides in the shell layer and exhibits a very high PLQY (Power Level Quality). The perovskite quantum dot composite material comprises core particles and a shell layer surrounding the core particles. The core particles are composed of metal halide perovskites, and the shell layer comprises an organic halide compound with an ionic crystal structure having the same halogen composition as the core particles. The PLQY is greater than 75%, and the change in emission wavelength is less than 5 nm over a period of 10,000 minutes at room temperature.

This disclosure discloses a method and application for template-assisted preparation of metal halide scintillator arrays. The preparation method includes: preparing a scintillator precursor solution; placing a porous alumina (AAO) template in a filtration device, adding the scintillator precursor solution dropwise, and filtration under vacuum conditions to allow the precursor solution to penetrate into the pores of the AAO template; adding the scintillator precursor solution dropwise onto a substrate surface, covering the droplets on the substrate surface with the AAO template, and performing secondary filtration in a vacuum drying oven to enhance the formation of a dense metal halide scintillator array on the AAO template. This disclosure, based on AAO template loading assistance and employing two vacuum filtration processes, enables the formation of a dense metal halide scintillator array on an AAO template. The preparation process is simple, fully controllable, and significantly reduces the manufacturing cost of metal halide scintillator arrays, effectively meeting the demand for low-cost, high-resolution scintillator array construction.

The present invention provides a method for producing hydrophilic quantum dots, which is characterized by adding a metal halide, two or more phosphorus compounds, an organic acid having a mercapto group or an alcohol having a mercapto group, and an aprotic polar solvent to hydrophobic quantum dots dispersed in a non-polar solvent and heating the mixture to thereby produce the hydrophilic quantum dots. Therefore, hydrophilic treatment of the hydrophobic quantum dots is carried out. As a result, provided is a method for producing hydrophilic quantum dots that can be hydrophilized during a hydrophilization treatment without deteriorating the characteristics of the quantum dots.

The present application relates to the field of metal halide perovskite material, in particular to a method for chemical vapor transport synthesis of metal halide perovskite single crystal material. The preparation method comprises: mixing and sealing metal (Pb, Bi, Sn, Sb, Ge), halide salt (NH4I, KI, AgI, KBr, MAI, FAI) and transport agent (elemental iodine, elemental bromine, KCl) in a quartz reactor. The quartz reactor is placed in a tube furnace, and the temperature at both ends of the quartz reactor is controlled, so that the reactants volatilize, decompose and chemically react at the high-temperature reaction end, and then deposit and grow metal halide perovskite single crystal material at the low-temperature growth end, and the transport agent is removed by vacuum heating or acid washing. The method is a non-solution method, different perovskite single crystal materials can be prepared by controlling the composition and composition of the reactants and controlling the reaction temperature and temperature difference, and the method has the characteristics of simple process, easy operation, and high crystalline quality of the obtained metal halide perovskite single crystal material.

An adhesive set includes a main agent containing a decomplexing agent and an initiator containing an organoborane complex. The decomplexing agent contains maleic anhydride. At least one of the main agent and the initiator further contains a compound having a radically polymerizable group. At least one of the main agent and the initiator further contains at least one selected from the group consisting of a metal halide salt and a compound having a thiocarbonyl thio structure.

This invention relates to the field of encryption and anti-counterfeiting technology, specifically to a method for preparing and using an organic Sn(IV)-based metal halide reversible light-emitting conversion triple anti-counterfeiting material, comprising introducing organic ligands into a Sn(IV)X4 lattice and doping with ns 2 This invention uses Sn(IV) with a high oxidation state to replace Pb(II) in order to obtain anti-counterfeiting materials. 4+ The outer electron configuration is 4d 10 5s 0 The absence of unstable 5s orbitals gives Sn(IV)-based metal halides their typically excellent environmental and thermal stability, providing the compounds with a rigid crystal structure and stereochemical inertness. Furthermore, through ns... 2 Type Sb metal ions 3+ Doping strategies are employed to enhance the luminescence efficiency of low-dimensional organotin (IV)-based metal halides. This invention utilizes Sb... 3+ Ion doping methods are used to modulate the optical properties of compounds. Sb 3+ Ions belong to ns 2 Type metal ions and Sn 4+ With similar ionic radii and unique photophysical properties, it solves the problem of low luminous efficiency in existing luminescent materials.

This invention provides a method for forming a perovskite material from multiple evaporation sources. [Solution] In the present invention, (i) a first evaporation source comprising a mixture of co-sublimable organic halides, and (ii) a second evaporation source comprising one or more metal halides having the following formula (I), wherein B(X y X' 1-y )2(i) a method is provided which comprises the steps of co-sublimating a second evaporation source, where B is a divalent metal cation, X and X' are different halides, 0 ≤ y < 1, and (iii) one or more different organic halides from one or more other evaporation sources, and / or (iv) one or more inorganic halides from one or more other evaporation sources, wherein the perovskite material comprises three or more different cations in addition to the B cation.

The invention relates to a preparation method of a metal halide perovskite-coated three-dimensional cobalt porphyrin-based COFs (Covalent Organic Frameworks) composite material, which comprises the following steps: S1, reacting an aldehyde precursor with an amine precursor in a first organic solvent, and after the reaction is finished, performing post-treatment to obtain a three-dimensional cobalt porphyrin-based COFs material; wherein the aldehyde precursor is 5 ', 5 '', 5'' '', 5'' ''''-(5, 10, 15, 20-tetrayl) tetra (([1, 1': 3 ', 1 ''-terphenyl]-4, 4''-diformyl))-21H, 23H-cobalt porphyrin (II), and the amine precursor is 4, 4'-diamino terphenyl and 2 ', 5'-bis ((methylthio) methyl)-[1, 1 ': 4', 1 ''-biphenyl]-4, 4''-diamine; s2, in a second organic solvent, enabling the three-dimensional cobalt porphyrin-based COFs material to react with lead bromide, and after the reaction is finished, performing post-treatment to obtain a PbBr2 (at) 3D Co-COFs material; and S3, in a third organic solvent, carrying out a reaction on the PbBr2 (at) 3D Co-COFs material and methylamine bromide, and after the reaction is finished, carrying out post-treatment to obtain the metal halide perovskite (at) three-dimensional cobalt porphyrin-based COFs composite material. The preparation method has the advantage that the photocatalytic activity and stability are improved.

A method of processing a substrate is disclosed, the method comprising: flowing a fluorocarbon, a metal halide, and molecular hydrogen (H2) into a plasma processing chamber configured to hold a substrate, the substrate comprises a dielectric layer which is used as an etching target and comprises silicon oxide and a patterned hard mask which is arranged on the dielectric layer and comprises polycrystalline silicon (poly-Si); generating a plasma in the plasma processing chamber while flowing the gases; and forming high aspect ratio features by exposing the substrate to the plasma to etch recesses in the dielectric layer, wherein a metal-containing passivation layer is formed on the patterned hard mask during the exposure.

A method includes forming a transistor over a substrate; and forming a resistive element over the transistor, in which forming the resistive element includes forming a bottom electrode electrically connected to a source / drain region of the transistor; forming a resistive switching layer over the bottom electrode, in which the resistive switching layer is made of metal halide; and forming a top electrode over the resistive switching layer.