187results about How to "The preparation method is mild" patented technology

The invention provides a bismuth subcarbonate photocatalyst which is a bismuth subcarbonate nanometer sheet or a microsphere formed by the bismuth subcarbonate nanometer sheet. The bismuth subcarbonate photocatalyst provided by the invention is obtained by carrying out hydrothermal reaction on a bismuth source and soluble carbonate in an aqueous solution, wherein the bismuth source is bismuth citrate or bismuth citrate ammonia. The bismuth subcarbonate photocatalyst takes the bismuth citrate or the bismuth citrate ammonia as the bismuth source, and the nanometer sheet shaped bismuth subcarbonate or the microsphere formed by the bismuth subcarbonate nanometer sheet is obtained in a hydrothermal reaction mode. The morphology obtained by the bismuth subcarbonate photocatalyst can accelerate the separation and transmission of the photoproduction electrons and holes of the bismuth subcarbonate photocatalyst so as to inhibit the composition of the electrons and holes and accelerate the diffusion and transfer of reactants and reaction products; reflection is generated between rays and a nanometer layer; and the use ratio of the light source is increased so as to improve the catalytic activity of the bismuth subcarbonate photocatalyst. An experiment result shows that the removal rate on NO by the bismuth subcarbonate photocatalyst provided by the invention is 20-50%.

The invention discloses a heptatomic condensed ring benzotriazole receptor micromolecule and a preparation method and application thereof. The compound takes heptatomic condensed ring benzotriazole (B) with an alkyl chain as intercalated nucleus, and cyan group as n-type fullerene receptor material (BIC) of an electrophilic unit. The preparation method comprises the following steps: by taking 4,7-dibromo-5,6-dinitro benzotriazole compound as a raw material, sequentially introducing thienothiophene with an alkyl chain by stille coupling reaction, then performing loop closing, introducing the alkyl chain to N by nucleophilic substitution, introducing aldehyde group via Vilsmeier-Haack, and then introducing a polar conjugation unit by Knoevenage reaction, so as to obtain a BIC compound; the micromolecule forms definite conformation and good solubility, has an electron receptor unit with universality, obtains a high efficiency (PCE of 13%) on a solar cell, and thus is a photovoltaic material full of potential.

The invention provides an iron carbide particle, and a fabrication method and an application thereof. Iron carbide is a nanoparticle taking Fe5C2 as a main component, and a particle size is 1-100nm. The fabrication method of the iron carbide particle comprises the following steps that a carbonization inductive agent and a solvent are mixed to form a mixed solution, a mole ratio of the carbonization inductive agent to the solvent is 1:(100-600), the carbonization inductive agent is halogenated ammonium salt, and the solvent is a long-chain amine solvent with a boiling point greater than 250 DEG C; a zero-valent iron organic compound is added to the mixed solution which is heated to 180-200 DEG C in a protective atmosphere; a reaction system is controlled at 250-380 DEG C for 10-120min; solid-liquid separation is performed after the reaction system is cooled; and the iron carbide particle product is collected. The iron carbide particle takes Fe5C2 as a major phase, is in a nanoparticle shape, can show higher catalytic activity, and is particularly applicable to catalysis of fischer-tropsch synthesis.

The invention relates to a sponge composite metallic organic framework material for adsorption separation and belongs to the technical field of materials. According to the invention, a two-step in-situ growth method is adopted for loading MOFs (metallic organic framework material) into a duct in a sponge carrier. The MOFs is synthesized from following organic ligands and metal salts, wherein the organic ligands include pyrazine, trimesic acid, terephthalic acid, 2,5-dihydroxyterephthalic acid, and the metal salts include cupric fluosilicate, magnesium nitrate, zirconium chloride, cupric nitrate, chromic nitrate, ferric nitrate, aluminum nitrate and hydrates thereof. According to a preparation method provided by the invention, a large amount of MOFs loaded in the duct in the sponge carriercan be realized; MOFs load rate is high; load is stable; the defects of fragility and easiness in loss of MOFs powder can be overcome; a breakthrough experiment proves that the material provided by the invention has the characteristics of high CO2-absorbing capacity, high adsorption separation selectivity, stable adsorption separation property, and the like.

The invention discloses a non-steamed brick and a preparation method thereof. The non-steamed brick comprises the following components in percentage by weight: 60 to 85 percent of iron tailings, 5 to 18 percent of river sand, 8 to 20 percent of cement, and 0.5 to 3 percent of admixture, wherein the admixture is one or more of high-strength adhesive, water reducing agent and waterproof agent. The preparation method comprises the steps of proportioning, mixing, pressure molding and natural curing. Proved by practice, the non-steamed brick has simple component, low cost and excellent comprehensive performance; and the preparation method is mild in conditions and easy in operation.

The invention provides antimicrobial bacterial cellulose and a preparation method thereof. According to the antimicrobial bacterial cellulose provided by the invention, a large number of hydroxyl functional groups existing on the bacterial cellulose are utilized, a quaternary ammonium salt antimicrobial group is introduced by surface modification, the structure of the bacterial cellulose is not damaged, the shape of hydrated gel is maintained, the effect of promoting healing of a wound is realized, and the antimicrobial bacterial cellulose prepared by the preparation method provided by the invention simultaneously has the advantages of good chemical stability and lasting antimicrobial effect.

The invention belongs to the technical field of composite fluorescent nano materials, and discloses a CDs / SiO2 composite fluorescent nano material and a one-step preparation method thereof. The preparation method is a solvothermal method and comprises the following steps: mixing sodium citrate and a silane coupling agent, heating to carry out reactions to obtain a turbid liquid, subjecting the turbid liquid to centrifugation, and finally filtering to obtain the CDs / SiO2 composite fluorescent nano material. In the provided method, the sodium citrate and silane coupling agent directly react, the post treatment using a strong acid or a surface passivating agent is not required, and the composite fluorescent nano material (solid powder) can be rapidly prepared in one step. The raw materials are easily-available, the price is cheap, the reaction conditions are mild, and the yield is high (90% or more). Solved is the problem that the massive production of carbon quantum dots cannot be achieved due to the limitation of technology and raw materials in the prior art. The prepared CDs / SiO2 composite fluorescent nano material has the advantages of good stability, air-slaking resistance, and high light stability, and can be applied to the fields such as photoelectric devices, photocatalysis, biosensors, agriculture, and the like.

The present invention discloses a tea extract-containing microemulsion, a preparation method and applications thereof. The tea extract-containing microemulsion comprises the following components by weight: 0.1% to 8% of tea extract, 30% to 70% of oil phase, 0.05% to 0.5% of synergistic agent, 10% to 50% of emulsifier, 0% to 20% of co-emulsifier and 1% to 5% of water; wherein the synergistic agent is ascorbic acid or / and citric acid, the tea extract is epigallocatechin gallate or / and theaflavin-3, 3'-digallate. The present invention also provides the preparation method and applications of the tea extract-containing microemulsion. The tea extract containing microemulsion has characteristics of uniform, transparent, stable property, strong oxidation resistance, and simple and controllable preparation method.

The invention belongs to the field of pharmacy, and discloses a biomimetic dopamine polymerization drug-loading nanometer transmitting and releasing system. The nanometer transmitting and releasing system comprises dopamine polymerization drug-loading nanoparticles prepared from dopamine and anti-tumor drugs, and biomimetic tumor targeted protein or polypeptide grafted to the surface of polydopamine. The dopamine disclosed by the invention coats drugs in the polydopamine through a polymerization drug-loading way, drug encapsulation efficiency is obviously improved, and drug loading capacity ishigh. Then, biomimetic tumor targeted protein or polypeptide is covalently grafted to the surface of the polydopamine, and the nanometer transmitting and releasing system is endowed with biomimetic characteristics and targeted functions. The nanometer transmitting and releasing system prepared by the invention has pH, ROS and optothermal triple response quick drug-releasing characteristics, through tumor targeting, a purpose of tumor chemotherapy-optothermal combined treatment can be realized, and the biomimetic dopamine polymerization drug-loading nanometer transmitting and releasing systemhas a good application prospect on an aspect of tumor targeting combined treatment.

Relating to the technical field of composite materials, in order to solve the problems of high price and low catalytic activity of electrode catalytic materials in existing zinc-air batteries, the invention provides a cobalt diselenide / nitrogen-doped carbon nanomaterial composite electrode catalytic material, a preparation method and application thereof. The preparation method includes the steps of: (1) growing Co-MOF on carbon cloth subjected to hydrophilization treatment; (2) growing a nitrogen-doped carbon nanomaterial through CVD process to obtain a Co / nitrogen-doped carbon nanomaterial; wherein the nitrogen-doped carbon nanomaterial is a combination of nitrogen-doped carbon nanotube and nitrogen-doped carbon nanosheet; and (3) carrying out selenylation treatment to obtain the cobalt diselenide / nitrogen-doped carbon nanomaterial composite electrode catalytic material. The composite material provided by the invention retains the structural integrity of the cobalt diselenide porous frame / carbon nanosheet array obtained by taking the triangular lamellar MOF crystal as a template, has excellent properties of both the carbon nanotube and the cobalt diselenide porous frame, and has wide application prospects in the fields of adsorption, sensing, energy storage, catalysis and the like.

The invention relates to a synthesizing method of amorphous calcium phosphate (ACP). According to the invention, tetrahydrated calcium nitrate and diammonium hydrogen phosphate are prepared into a solution; the solution is precipitated under an ultrasonic condition with a temperature of 0 DEG C; and the precipitate is vacuum-filtered and is dried, such that ACP powder is obtained. According to the method, no stabilizer is needed, and the method is simple and applicable. With the method, calcium phosphate powder with an adjustable Ca / P ratio and good bioactivity can be prepared. The prepared ACP powder can be applied in the field of biomedical materials.

The invention discloses heterocyclic matrine derivatives and preparation methods and applications thereof. Structural formulas of the heterocyclic matrine derivatives are as shown in a formula (I). Two obtained matrine derivatives have an obvious inhibition effect on tumor cells or insect cells, the technical disadvantages in the field are filled, and the matrine derivatives can be applied to research and development of anti-tumor drugs or insecticides. Therefore, a candidate compound is provided for development of novel anti-tumor matrine derivatives or matrine derivatives with insecticidal activity, and the matrine derivatives are of great significance in overall development of the medical activity and the agricultural activity of matrine. The invention further provides preparation methods of the two derivatives. Indole or cyclohexane heterocyclic ring is introduced to the 13th key of a lead compound matrine, so that the biological activity of the matrine is significantly improved; and the preparation method is mild, simple and feasible. The formula is as shown in the specification.

The present invention discloses a high-sensitivity netted graphene / elastomer strain sensor and a preparation method thereof. The method comprises: performing ultrasonic preparation of a graphene oxide dispersion liquid, taking an absorbent cotton plaster as a template, employing the vacuum extraction technology, tightly wrapping the graphene oxide on absorbent cotton fibers, employing the gradient temperature changing technology to prepare netted graphene, and performing compound solidification of the netted graphene and the elastomer emulsion to obtain a high-sensitivity netted graphene / elastomer strain sensor. The preparation method of high-sensitivity netted graphene / elastomer strain sensor is mild in condition, low in cost and high in repeatability, and the strain sensor has good deformation capability, is high in sensitivity, can induct tiny stress and can be used for a wearable electronic device.

The invention provides a flower-like nanometer silver sphere, a preparation method and an application thereof. The preparation method comprises the following steps: adopting a pH value regulator for regulating pH value of an amino acid solution to 4-6, thereby acquiring a reducing agent solution, wherein the amino acid solution is selected from cysteine solution or reduced glutathione solution, and then mixing the reducing agent solution with a silver ammonium solution under a stirring condition and reacting, thereby acquiring the flower-like nanometer silver sphere. The mass ratio of silver ions in the reducing agent in the reducing agent solution and the silver ammonium solution is at (1:1) to (1:10); the reaction temperature is at 30-80 DEG C; the time is 5-10h. The method is characterized by mild reaction condition, simple and convenient operation and less environmental pollution. According to the method, the flower-like nanometer silver sphere has better optical characteristics and stability in the manner of controlling the dosage of the preparation raw materials and the reaction condition; the Zeta potential value of the flower-like nanometer silver sphere can reach up to +50mV; the raman effect is stronger.

The invention discloses a synthesis method of tourmaline. The method comprises the following steps: preparing a homogeneous solution with sodium, magnesium, aluminum, silicon, boron and other elementsat constant temperature, then adding precipitant sodium hydroxide to ensure the solution to reach a certain pH value, obtaining precipitate slurry, and then performing subsequent cleaning, filtrating, drying and calcining processes to prepare tourmaline powder. The method of the invention can be used to obtain the powder containing tourmaline directly, the conditions of the whole preparation method are mild, the method is easy to realize and the cost is low. The precipitate product can be dispersed and calcined to obtain nanometer tourmaline powder which can be conveniently used in fields such as medical treatment and health care, environmental protection, construction and the like.

The invention discloses a micro-fluidic chip having a three-dimensional graphene interface, and a production method thereof. The micro-fluidic chip realizes the capture of single cells and two cells by designing micro-column capture tanks having different sizes through using hydrodynamics, and an impedance electrical signal during the micro-motion (such as cell adsorption, cell migration and cellproliferation) of single or two cells is quantitatively acquired in real time through a three-dimensional graphene micro-column electrode, so a new idea and a new technique are provided for cancer pathology and single cell detection. The production method of the micro-fluidic chip includes the following steps: producing a patterned gold electrode array, producing a three-dimensional graphene micro-column electrode array, producing a PDMS channel, and producing an openable PDMS cover plate. The micro-fluidic chip processed by the method has good biocompatibility, the production method has the advantages of mild conditions, simplicity, easiness in implementation, and controllable process parameters, and the detected single cell electric signal intensity of the micro-fluidic chip in the invention is twice that of an ordinary micro-fluidic chip.

The invention discloses a preparation for a silver phosphate nano ball-graphene composite material and photocatalysis application. The silver phosphate nano ball-graphene composite material is formed by in-situ growth silver phosphate nano balls decorated on the surface of graphene. In the composite material, the ratio of silver phosphate nano balls and the graphene is 100-25 milligram graphene oxide and the surface growth silver phosphate nano balls are 0.33 millimoles. The preparation method comprises steps of dissolving bovine serum albumin to distilled water, gradually dropping a silver nitrate solution, dropping a graphene oxide solution after a white colloid solution is formed, stirring for 2 hours, dropping a disodium hydrogen phosphate solution, stirring for four hours, conducting centrifugation, washing by using the distilled water, drying and obtaining the silver phosphate nano ball-graphene composite material. The composite material can serve as a visible-light-induced photocatalyst, and a photocatalysis experiment proves that the composite material has good visible-light catalytic activity. The preparation is simple and large-scale production can be achieved.

The invention discloses a preparation method of an intermediate of drug Rucaparib treating ovarian cancer. The preparation method comprises the following steps: 1) in the presence of protective gas and inorganic alkali, stirring 3-fluoro-5-trifylmethyl benzoate with (1-diazo-2-oxo--cyan propyl) dimethylphosphonate to react to obtain a mixture M; 2) stirring the mixture M obtained I the step 1) in an acidic condition to react to obtain 3-cyanoethyl-6-fluoro-1H-indole-4-methyl formate; and 3) performing palladium -carbon catalytic hydrogenation on the product obtained in the step 2) in the acidic condition to obtain the intermediate 8-fluoro-1,3,4,5-tetrahydro[5,4,3-cd] indoe-6-one. According to the method disclosed by the invention, a target compound is high in yield and purity; the method is mild in condition, relatively few in step, short in reaction time and more suitable for industrial production.

The invention discloses anti-blue-light multi-effect repair eye cream and a preparation method thereof. The anti-blue-light multi-effect repair eye cream is prepared from the following ingredients: isohexadecane, isononyl isononanoate, crambe abyssinica seed oil, cetostearyl alcohol, phytosterol oleate, tocopherol acetate, propyl hydroxybenzoate, phenoxyethanol, triethanolamine, brown algae extract, theta-glucan, menthe piperita leaf extract, chrysanthellum indicum extract, purslane extract, radix sophorae extract, geranium pelargonium extract, glycerin, sodium benzoate, bisabolol, farnesol, butanediol, glycerin polyether-26, bio-saccharide gum-1, 0.2% of hydrolysis sclerotium gum, lecithin, allantoin and glucosylrutin. The natural extract is added for compound use, and the compounding ratio is limited, rich nourishing ingredients are contained, blue light can be resisted, moisture is replenished, the skin around the eyes is moisturized, the delicate skin is repaired, dryness and dehydration phenomena are smoothed, tightness, elasticity and moistening are achieved, fine lines are reduced, skin aging is delayed, and the eyes are beautiful.

The invention relates to a nanometer zirconium oxide composite ceramic material, a tooth color-imitating nanometer zirconium oxide composite ceramic tooth and a preparation method thereof and belongs to the technical field of zirconium oxide composite ceramic teeth. The nanometer zirconium oxide composite ceramic material comprises the following raw materials in parts by mass: 90-100 parts of nanometer zirconium oxide and 10-80 parts of organically synthesized colloid, wherein the organically synthesized colloid comprises the following raw materials in parts by mass: 10-50 parts of paraffin, 10-30 parts of polyethylene, 10-30 parts of polypropylene, 1-5 parts of stearic acid and 1-5 parts of oleic acid. The nanometer zirconium oxide composite ceramic material provided by the invention has a good mechanical property, excellent air permeability, strong chemical stability and excellent biocompatibility. The bending strength of the prepared ceramic tooth can reach 1200MPa, and the breaking tenacity can reach 9MN / m<3 / 2>. The tooth is extremely high in biofidelity and the color difference of the tooth with a human tooth is in a range of + / -1 chromatic degree.

The invention discloses a nano-composite biological scaffold with multi-stage controllable through hole structure, and a preparation method and application thereof. The preparation method is combined with a water-in-oil type Pickering high internal phase emulsion template method and a 3D printing technology, the Pickering emulsion template takes an organic solution containing biodegradable polyester and hydrophobic modified silicon dioxide nanoparticles as an oil phase and deionized water as an aqueous phase, the oil phase and the aqueous phase are mixed and emulsified to form water-in-oil type Pickering emulsion, the emulsion is printed and formed by the 3D printing technology, and the nano-composite biological scaffold with the multi-stage controllable through hole structure is obtained. The preparation method provided by the invention is simple in operation, mild in preparation condition, low in requirement on equipment and suitable for industrialized production, the hole structure of the porous scaffold can be adjusted conveniently and rapidly by changing the preparation condition of the emulsion, the scaffold structure is regulated and controlled by writing different printing programs, and design and implementation of the hole structure are unified.

The invention relates to a defluorination adsorbent which comprises anion exchange resin and an inorganic defluorination adsorbent, wherein the inorganic defluorination adsorbent is in a layered crystal structure, deposited in the ducts of the anion exchange resin, and formed by a hydroxide of lithium, a hydroxide of aluminum and a hydroxide of lanthanum. The invention further discloses a preparation method of the defluorination adsorbent. The preparation method comprises the following steps that lanthanum salt and aluminum slat are dissolved in water containing ethyl alcohol, and a mixed solution is obtained; the anion exchange resin is added to the mixed solution, reaction is performed at the temperature of 60-80 DEG C, and then a strong caustic water solution is added for soaking; the processed anion exchange resin is added to the water solution of lithium salt, crystallization is performed at the temperature of 50-90 DEG C, and the defluorination adsorbent is obtained. According to the defluorination adsorbent, the absorption quantity is large, the absorption speed is high, the defluorination efficiency is high, and the defluorination adsorbent can be reused; the preparation method of the defluorination adsorbent is mild in condition, simple in technology and suitable for industrialization batch production.

The invention discloses seven novel 2,2'-dipyridine bridged bis-triazine compounds, particularly 6,6'-di(5,6-dialkyl-1,2,4-triazinyl-3-yl)-2,2'-dipyridine compounds with the side chain alkyl group of isobutyl, 3-methylbutyl, 4-methylamyl, 3-methylhexyl, 5-methylhexyl, 2-cyclopentylethyl or 2-cyclohexylethyl group and a preparation method thereof.2,2'-dipyridyl-6,6'-diiminohydrazide and alkyl substituted alpha-dione used as initial raw materials are heated to perform dehydration cyclization reaction for 5-24 hours by using tetrahydrofuran / triethylamine as a reaction solvent, thereby obtaining the seven 6,6'-di(5,6-dialkyl-1,2,4-triazinyl-3-yl)-2,2'-dipyridine compounds. The method has the characteristics of mild conditions, accessible raw materials, high target product yield and the like, and is simple to operate.

The invention relates to a preparation method of porous graphene and belongs to the technical field of graphene super-capacitor materials. The technical scheme adopted by the invention is that the preparation method comprises the following steps: adding different proportions of hydrogen peroxide into an aqueous solution of graphene oxide, then adding a certain quantity of ionic liquid, fully and uniformly stirring, performing hydro-thermal reaction to obtain graphene gel, performing freeze-drying treatment to obtain the porous graphene. The porous graphene prepared by the preparation method provided by the invention is large in specific surface area and simple in preparation processes and has a wide application prospect in the fields of super-capacitors, sewage treatment, oil absorption and the like.

The invention belongs to the field of chemical synthesis, particularly a preparing method of deuterated aromatic compounds. The method includes subjecting an aryl halide, as an initial raw material, to a palladium catalyzed carbon-halogen bond reduction reaction in which deuterium anion participates at 60-100 DEG C under inert gas protection to synthesize a target compound, with deuterated sodiumformate being adopted as a deuterating agent, dimethyl sulfoxide being adopted as a solvent, metal palladium being adopted as a catalyst and organphosphorus being adopted as a ligand. The method is mild in condition, avoids the use of expensive deuterating agents as a solvent in a reaction process so that the production cost is reduced, and is suitable for large-scale production. The deuteration rate of the compounds reaches 98% or above, and the compounds can be applied in the field of organic optoelectronic materials, medicines, pesticides, and the like.

The invention provides a preparation method for matrix coal gangue and relates to a solid waste treatment process. The preparation method for the matrix coal gangue includes the following steps that coal gangue is smashed, and coal gangue particles are obtained; the coal gangue particles are mixed with water and acid, and a coal gangue particle mixture is obtained; the coal gangue particle mixtureis subjected to ozone aeration and ultrasonic treatment at the same time, and an activated coal gangue mixture is obtained; alkali is added in the activated coal gangue mixture, solid-liquid separation is performed, and activated coal gangue is obtained; and the activated coal gangue is mixed with an sodium alginate aqueous solution, and the matrix coal gangue is obtained through drying. According to the method, part of organic components, humic acid and micro elements, similar with coal, in the coal gangue are activated, the condition suitable for plant growth is formed, and the purposes ofchanging waste into wealth and achieving resource utilizing are achieved. It can be seen that from the embodiment, the coal gangue matrix is favorable for plant root growth, and avoids the top cover soil phenomenon easily happening to a turf type matrix; and the water retaining property is better than that of the turf type matrix.

The invention discloses a preparation method for a prostaglandin intermediate. The method comprises the step of: (1) mixing a compound represented by a formula II and a substitutive o-iodobenzoic acid type compound represented by a formula III to obtain a compound represented by a formula I, wherein R1 is C1-C4 straight chain or alkyl, phenyl or substitutive phenyl which contains branch chains; R2 is tetrahydropregnenolone (THP), silane radical substituted by trialkyl, alkyl acyl, benzoyl or benzoyl of which the benzene ring is provided with a substituent; and R3 is acetoxy.

The invention provides a preparation method of a modified lithium nickel manganese oxide cathode material. In the preparation method disclosed by the invention, phenolic resin is used as an adjuvant; a spatial structure is provided; a pure-phase LiNi0.5Mn1.5O4 electrode material having nanoscale ultra-fine particle diameter and good crystallization degree and particle diameter distribution is prepared in situ directly in a polymerization system; an electrode material coated by a metallic oxide is prepared through a sol-gel method; therefore, the material has better coating effect; furthermore, a secondary grinding process and a low-temperature long-time annealing process are adopted when the material is sintered; impure phases in the material are reduced easily; and thus, the cycle performance of the battery is improved. According to the preparation method disclosed by the invention, the material is modified through the nanoscale LiNi0.5Mn1.5O4 electrode material and the metal oxide coating process; in combination with the specific sintering and annealing process, the modified lithium nickel manganese oxide cathode material has relatively high cycle performance and stability; and furthermore, the preparation method provided by the invention is moderate in condition, and is applied to large-scale production and application.

The invention discloses a molybdenum disulfide intercalated hydrotalcite composite material and a preparation method and application thereof. The preparation method includes the steps of (1) dissolving divalent metal ions M <2+>, trivalent metal ions <M3+>, soluble molybdate and alkali into water, carrying out stirring reaction and crystallizing so as to obtain molybdate intercalated hydrotalciteformer polymers; (2), adding a sulphur source and a hydroxy-containing compound into the molybdate intercalated hydrotalcite former polymers obtained in the step (1), performing hydrothermal reactionand filtering so as to obtain the molybdenum disulfide intercalated hydrotalcite composite material. The preparation method is simple in technology, mild in condition, safe and environment friendly. The molybdenum disulfide intercalated hydrotalcite composite material is high in catalytic activity and stability, convenient to recycle and suitable for large-scale industrial production and application and has a promising industrial application prospect in the field of photocatalytic degradation of organic pollutants in dye wastewater and phenolic wastewater.

The invention discloses a silicon dioxide-filled nano-cluster composite material. The silicon dioxide-filled nano-cluster composite material comprises silicon dioxide and at least two types of inorganic nano-crystals, wherein one type is the inorganic nano-crystals with a surface plasma resonance effect, and the other type is the inorganic nano-crystals in overlapping absorption with the first type of the inorganic nano-crystals; the at least two types of the inorganic nano-crystals are assembled to obtain nano-clusters; the silicon dioxide is distributed in the whole nano-clusters to form the nano-cluster composite material; the particle size of the inorganic nano-crystals is 1-100nm; and the diameter of the nano-cluster composite material is 50-1000nm. The nano-cluster composite material has the advantages of simplicity, convenience, easiness in obtainment and adjustable size and composition, and further has important significance in actual application. The invention further discloses a method for preparing the silicon dioxide-filled nano-cluster composite material and application.