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31 results about "Metallic clusters" patented technology
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Chip card module
A chip card module for a contactless chip card having a chip containing an integrated circuit, and having a coupling element, electrically connected to the chip to permit contactless communication. The chip card module has a layer sequence formed on a surface side of the chip card module, with a first layer reflecting electromagnetic waves, a second layer arranged on this first layer, and a third layer, in which a metallic cluster is embedded, arranged on the second layer.
Owner:INFINEON TECH AG
Micro electronic component
InactiveUS20060267214A1Easily enabledSimple designSemiconductor/solid-state device detailsNanoinformaticsSingle electronElectricity
A micro electronic component, preferably in the form of an electronic memory, includes the use of clusters as an electronic memory. Also disclosed as part of the present invention is a method for fabricating a micro electronic component. The present invention contemplates fabrication of an especially compact electronic memory that works especially with single-electron transistors or single-electronic. transfers. According to the present invention, clusters with a metallic cluster nucleus are arranged in parallel grooves essentially in lines or rows and are connected individually to first and second connecting electrodes, such that individually the clusters can be electrically modified or polled independently of each other.
Owner:UNIV DUISBURG ESSEN
Surface modification method of metal-organic framework adsorbing materials
InactiveCN104549185ARestore strong adsorption capacitySolve the adsorption problemOther chemical processesDispersed particle separationChemical treatmentDesorption
Owner:TONGJI UNIV
Photobiomolecular deposition of metallic particles and films
The method of the invention is based on the unique electron-carrying function of a photocatalytic unit such as the photosynthesis system I (PSI) reaction center of the protein-chlorophyll complex isolated from chloroplasts. The method employs a photo-biomolecular metal deposition technique for precisely controlled nucleation and growth of metallic clusters / particles, e.g., platinum, palladium, and their alloys, etc., as well as for thin-film formation above the surface of a solid substrate. The photochemically mediated technique offers numerous advantages over traditional deposition methods including quantitative atom deposition control, high energy efficiency, and mild operating condition requirements.
Owner:UT BATTELLE LLC
Micro electronic component
InactiveUS20050218394A1Easily enabledSimple designNanoinformaticsSolid-state devicesSingle electronElectricity
A micro electronic component, preferably in the form of an electronic memory, includes the use of clusters as an electronic memory. Also disclosed as part of the present invention is a method for fabricating a micro electronic component. The present invention contemplates fabrication of an especially compact electronic memory that works especially with single-electron transistors or single-electronic transfers. According to the present invention, clusters with a metallic cluster nucleus are arranged in parallel grooves essentially in lines or rows and are connected individually to first and second connecting electrodes, such that individually the clusters can be electrically modified or polled independently of each other.
Owner:UNIV DUISBURG ESSEN
Co cluster/SiO2 composite material and preparation method and application thereof
ActiveCN111495368AAvoid gatheringImprove catalytic performanceMetal/metal-oxides/metal-hydroxide catalystsElectrodesElectrolytic agentReaction rate
The invention belongs to the field of electrocatalysis, and relates to a Co cluster / SiO2 composite material and a preparation method and application thereof. According to the invention, a zero-valenttransition metal cluster is anchored in SiO2 mesopores through a confinement strategy; carboxyl-modified copper sulfide nanoparticles are used as a template, glycine and transition metal cobalt ions are combined through covalent interaction and electrostatic interaction; and a bimetallic strategy is used for adjusting an electronic structure, electron transfer between transition metal ions and a reaction intermediate is increased through a synergistic effect, the reaction kinetics of OER is promoted, and a reaction rate is increased. Besides, more catalytic active sites can be exposed throughthe mesoporous stable small-size nanometer metal cluster, and meanwhile, a contact area of the material with an electrolyte is increased, so OER catalytic activity is improved.
Owner:JIANGSU UNIV
An electrolytic composition and cathode for the nitrogen reduction reaction
PendingUS20210238756A1Guaranteed continuous supplySuperior N selectivityCell electrodesMetal/metal-oxides/metal-hydroxide catalystsIridiumElectrolysis
The invention provides a cathode for the nitrogen reduction reaction, comprising an electrically conductive substrate and an electrocatalytic composition on the substrate, wherein the electrocatalytic composition comprises: a support material present in one or more crystalline phases; and metallic clusters dispersed on the support material, the metallic clusters comprising at least one metal selected from ruthenium, iron, rhodium, iridium and molybdenum, wherein at least 80 mass % of the support material is present in a semiconductive crystalline phase having a conduction band minimum energy below (more positive than) −0.3 V relative to the normal hydrogen electrode (NHE).
Owner:MONASH UNIV
Cluster energy prediction method and system
PendingCN113344175AImproving Energy Prediction AccuracyGood linear divisionNeural architecturesNeural learning methodsMetal clustersComputational physics
The invention provides a cluster energy prediction method, and the method comprises the steps: obtaining all atomic coordinates of a nonmetal cluster, unfolding the obtained atomic coordinates, and carrying out the preprocessing of the unfolded atomic coordinate data; obtaining an energy prediction result of the nonmetal cluster according to the preprocessed atomic coordinate data and a preset multilayer neural network model, wherein a mean square error loss function is adopted in the preset multilayer neural network model; obtaining all atomic coordinates of the metal cluster, expanding the obtained atomic coordinates, and preprocessing the expanded atomic coordinate data; and according to the preprocessed atomic coordinate data and a preset polynomial regression prediction model, obtaining an energy prediction result of the metal cluster. The method achieves the more accurate prediction of the energy of the current clusters of different structures, enables the atomic coordinates to be used for polynomial regression and neural network prediction through the transverse expansion of the atomic coordinates, and further improves the prediction precision.
Owner:SHANDONG NORMAL UNIV
Method for loading metal clusters on photocatalyst
PendingCN114042451AConducive to loadEasy to operateCatalyst activation/preparationHydrogen productionMetal clustersPtru catalyst
The invention relates to the field of photocatalysis, and provides a method for loading metal clusters on a photocatalyst. According to the method, no additive is needed, metal particles and photocatalyst particles are adopted as precursors, and the metal cluster loaded composite photocatalyst can be obtained under the hydrothermal condition after the metal particles and the photocatalyst particles are mixed. According to the method, the metal particles with large particle sizes are oxidized and etched by utilizing the oxidability of thermally induced holes of the photocatalyst, then metal atoms enter a solution, and metal ions grow on the particles in a heterogeneous nucleation manner under the reduction action of a hydrothermal condition to form the metal clusters. Compared with the prior art, the loading process provided by the invention is extremely simple, the size of the loaded metal clusters is less than 2 nm, the loaded metal clusters are uniformly distributed on photocatalyst particles, and the catalytic activity of the photocatalyst is greatly improved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Preparation method for photostable catalyst of metal cluster and application thereof
InactiveCN109499567AImprove photostabilityReduce reunionMetal/metal-oxides/metal-hydroxide catalystsMaterials preparationMetal clusters
The invention discloses a preparation method for a photostable catalyst of metal cluster and an application thereof. A surface nature regulation and / or interface modification combined strategy is adopted for promoting photostability of metal cluster; hydroxy content on titanium dioxide surface is reduced by coating fluorine ions, so that the aggregation of metal cluster can be reduced; on this basis, the material surface is modified with polymine, so that the photostability of metal cluster can be further promoted; under irradiation of visible light, the catalyst shows excellent activity and stability for photo-catalytically reducing hexavalent chromium. The preparation method is simple and practicable and the catalyst is low-cost and can be conveniently recycled, so that the compound photocatalytic material has high practical value and application prospect in the technical field of material preparation and the field of environmental pollutant treatment.
Owner:XIAMEN UNIV
Mercaptotriazole@gold-silver bimetallic nanocluster for mercury ion detection and preparation method and application thereof
ActiveCN111961009AHigh fluorescence intensityStrong interferenceOrganic chemistryFluorescence/phosphorescenceMercuric ionPhotochemistry
The invention discloses a mercaptotriazole@gold-silver double-metal nanocluster for mercury ion detection and a preparation method and application thereof and belongs to the technical field of nano materials. The preparation method aims to synthesize the Ag-doped fluorescent bimetallic nanocluster TRO@Au / Ag NCs by taking 3-mercapto-1, 2, 4-triazole as a ligand and chloroauric acid and silver nitrate as bimetallic sources and utilizing a simple one-step method. Compared with a single-metal cluster, the fluorescence intensity of the double-metal cluster is remarkably enhanced. After Ag doping, the electron structure of the cluster is strongly interfered. The fluorescence of the cluster can be quenched by Hg <2+>. Further research finds that the concentration of Hg <2+> is 0.5-80 [mu]M, the linearity is good, and the recovery rate and the precision are good when Hg <2+> is applied to detection of a water sample.
Owner:CHINA WEST NORMAL UNIVERSITY
Micro electronic component
InactiveUS7602069B2Easily enabledSimple designSemiconductor/solid-state device detailsNanoinformaticsSingle electronElectricity
A micro electronic component, preferably in the form of an electronic memory, includes the use of clusters as an electronic memory. Also disclosed as part of the present invention is a method for fabricating a micro electronic component. The present invention contemplates fabrication of an especially compact electronic memory that works especially with single-electron transistors or single-electronic transfers. According to the present invention, clusters with a metallic cluster nucleus are arranged in parallel grooves essentially in lines or rows and are connected individually to first and second connecting electrodes, such that individually the clusters can be electrically modified or polled independently of each other.
Owner:UNIV DUISBURG ESSEN
A variable wavelength two-dimensional optical rotation device with controllable polarizability and its preparation method
ActiveCN108732791BMeet the needs of the designMeet design needsNon-linear opticsHeterojunctionParticle physics
Owner:XIAMEN UNIV
Material comprising precious metal isolated atoms stable in solution
InactiveUS20190329225A1Increase load capacityImprove stabilityTransportation and packagingOrganic-compounds/hydrides/coordination-complexes catalystsSolventCopolymer
This invention provides isolated noble metal atoms stabilized in a solution and a method in synthesizing such materials. A block copolymer containing siloxane groups and polyether groups is used as a protective agent to stabilize the reduced isolated noble metal atoms. An aqueous solution containing reducing agents is used as a solvent in the preparation of the material. The weight ratio of precious metal to the protective agent is arbitrary. The invention uses special protective agents to avoid the aggregation of primary isolated atoms to nanoparticles in the synthesis process. The reduced atomic material is distinguished from the known metal nanoparticles and can be used in energy materials, pharmaceutical synthesis, medical materials, catalyst preparation etc. The atomic material provides the building block for the synthesis of number-controlled metal clusters or nanomaterials with the same or different metals.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Plasma-assisted method for catalyzing nitrogen activation dissociation by metal cluster
InactiveCN112114026AAchieve dissociationAvoid high temperature and pressureNitrogen-metal/silicon/boron binary compoundsMaterial analysis by electric/magnetic meansMetal clustersNitrogen gas
The invention discloses a plasma-assisted method for catalyzing nitrogen activation dissociation by metal cluster, and belongs to the technical field of cluster science. The method comprises the following steps: in a vacuum cavity, nitrogen or mixed gas of nitrogen passes through a metal plasma area, and then activated dissociation of the nitrogen is achieved. According to the method, dissociationof nitrogen molecules can be achieved through a method of generating metal plasmas through laser sputtering under the room temperature condition, and high temperature and high pressure in the nitrogen catalytic reaction process in the prior art are avoided. The method disclosed by the invention is simple and convenient to operate, a used metal target material is selectable, and a reliable methodis provided for nitrogen dissociation and subsequent nitrogen-containing compound generation.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Method of metallic clusters fabrication with desired size using scanning tunneling microscopy tip induced reactions
InactiveUS20170282161A1Maximize efficiencyMove preciselyMaterial nanotechnologyNanostructure manufactureOxygenMaterials science
A method of transferring a single metal atom from a first location to a second location on the surface of a metal oxide is disclosed. The method includes obtaining a material having a first metal atom deposited on a first oxygen atom vacancy of the metal oxide and transferring the first metal atom of the metal on the first oxygen atom vacancy to a second location on the metal oxide by applying a voltage to the first metal atom. The second location can be a second metal atom on a second oxygen atom vacancy of the metal oxide, where the first and second metal atoms form a first metal atom second metal atom species, or a metal atom of the metal oxide, where the first metal atom and the metal atom of the metal oxide forms a first metal atom metal atom of the metal oxide species.
Owner:UCL BUSINESS PLC +1
A method for adjusting valence state distribution of metal cluster ions in electrospray ion source
The invention discloses a valence distribution adjustment method of electrospray ion source metal-cluster ions and relates to ESI (electronic spray ion)-TOFMS (time-off-flight mass spectrometer) spectrograms. The valence distribution adjustment method includes the following steps of 1), dissolving metal complex by adopting organic solvent, collecting sample solutions under conditions of set dry nitrogen temperature, flow velocity, atomizer pressure, capillary voltage and fragmentor through an ESI-TOFMS to acquire the spectrograms of the metal complex; 2), leading the spectrograms of the metal complex, acquired in the step 1) to spectrogram analysis software and specifically analyzing the structure of each fragment peak; 3), under the positive ion mode and under the condition that molecular ion peaks, doping electrolyte with different proportions to the metal complex, dissolving the samples with the organic solvent once more and collecting the sample spectrograms with the ESI-TOFMS; 4), using the spectrogram analysis software to specifically analyzing changes of the fragment peaks once more to acquire the result of valence distribution adjustment.
Owner:XIAMEN UNIV
Synthesis method of nitrogen-doped carbon-coated Cu/TiO2 interface structure
PendingCN111437863ACombine accuratelyImprove photocatalytic activityCatalyst activation/preparationBenzoic acidGlutaric acid
The invention relates to a synthesis method of a nitrogen-doped carbon-coated Cu / TiO2 interface structure. The synthesis method comprises the following steps: dissolving copper chloride, 1, 5-glutaricacid and benzoic acid in an organic solvent, and standing to obtain a clear solution; adding acetic acid and Ti (OiPr) 4 into the clarified solution to obtain a mixed solution, transferring the mixedsolution into a reaction kettle, heating to react for a period of time, and cooling to obtain a hetero-metal cluster precursor; and calcining the hetero-metal cluster precursor in a protective atmosphere for a period of time to obtain the nitrogen-doped carbon-coated Cu / TiO2 interface structure nano material. The synthesis method is simple and easy to implement, the hetero-metal cluster precursoris synthesized by virtue of a hydrothermal synthesis method, accurate combination of Cu and Ti elements is realized, and then the nitrogen-doped carbon-coated Cu / TiO2 interface structure composite material is prepared by virtue of in-situ high-temperature calcination. The prepared nitrogen-doped carbon-coated Cu / TiO2 interface structure material belongs to a metal and semiconductor composite photocatalyst and has higher photocatalytic activity in comparison with a TiO2 single catalyst and can be used as a new photocatalytic material and has a better application prospect.
Owner:XUZHOU NORMAL UNIVERSITY
Stable oxide encapsulated metal clusters and nanoparticles
ActiveUS9415442B2Catalyst usedMaterial nanotechnologyTransportation and packagingMetal clustersAlloy
Owner:COUNCIL OF SCI & IND RES
High-energy silver cluster-based assembly ignition material and preparation method thereof
ActiveCN113667139BIncrease output energyFulfil requirementsBulk chemical productionIgnition delayPropargyl
The invention belongs to the intersection field of nanometer clusters and coordination chemistry, and discloses a novel high-energy cluster assembly ignition material and a preparation method thereof. It uses metal clusters as structural nodes, and connects them through energetic bridging ligands 1-propargyl imidazole to form silver cluster-based assembly materials. Its chemical formula is: Ag 12 (CF 3 COO) 6 (C 6 h 5 N 2 ) 6 (ZZU‑361), Ag 14 (CF 3 COO) 6 (C 6 h 5 N 2 ) 8 (ZZU‑362), Ag 8 (C 6 h 5 N 2 ) 4 (NO 3 ) 4 (ZZU‑363), in which the compound ZZU‑363 contains a large number of energetic nitrate groups and a unique molecular structure, resulting in excellent ignition performance, with an ignition delay time of 26 ms and a volumetric energy density of 40.4 kJ cm ‑3 . This type of material can meet the requirements of modern spacecraft for propellants and can be used as fuel for aerospace engines.
Owner:ZHENGZHOU UNIV
Method of metallic clusters fabrication with desired size using scanning tunneling microscopy tip induced reactions
InactiveUS10118155B2Maximize efficiencyMove preciselyMaterial nanotechnologyNanostructure manufactureOxygenMaterials science
A method of transferring a single metal atom from a first location to a second location on the surface of a metal oxide is disclosed. The method includes obtaining a material having a first metal atom deposited on a first oxygen atom vacancy of the metal oxide and transferring the first metal atom of the metal on the first oxygen atom vacancy to a second location on the metal oxide by applying a voltage to the first metal atom. The second location can be a second metal atom on a second oxygen atom vacancy of the metal oxide, where the first and second metal atoms form a first metal atom-second metal atom species, or a metal atom of the metal oxide, where the first metal atom and the metal atom of the metal oxide forms a first metal atom-metal atom of the metal oxide species.
Owner:UCL BUSINESS PLC +1
Preparation method and application of a metal cluster photostable catalyst
InactiveCN109499567BImprove photostabilityReduce reunionMetal/metal-oxides/metal-hydroxide catalystsPtru catalystPhoto stability
Owner:XIAMEN UNIV
A kind of preparation method of metal cluster-based crystalline porous material
ActiveCN113717397BImprove stabilityHigh crystallinityOther chemical processesProcess efficiency improvementMetal clustersReactive site
The invention discloses a metal cluster-based crystalline porous material and a preparation method thereof. The metal cluster-based crystalline porous material contains an aldehyde group-containing ring trinuclear metal cluster precursor and an organic ligand. The preparation method is as follows: firstly, the precursor of ring trinuclear metal clusters containing aldehyde groups is prepared by solvothermal synthesis or diffusion method; then, the ring trinuclear metal clusters containing aldehyde groups The cluster precursors are linked with organic ligands to obtain metal cluster-based crystalline porous materials linked by carbon-carbon double bonds. In this inorganic-organic composite material, the metal clusters as active sites can be evenly distributed on the framework of the porous material, which solves the problem that it is difficult to make the metal evenly distributed in the current technology of introducing metal into COFs. In COF materials, it has broad application prospects for the limited performance improvement of COFs.
Owner:JINAN UNIVERSITY
A method for surface modification of metal-organic framework adsorption materials
InactiveCN104549185BFew stepsEasy to operateOther chemical processesDispersed particle separationChemical treatmentDesorption
The invention relates to a surface modification method of a metal-organic framework adsorbing materials. Metal-organic framework porous adsorbing materials (MOFs) are subjected to chemical treatment in a plurality of steps, so that the adsorptive property on non-polar organic gas molecules in presence of water molecules can be improved. The preparation method of the materials comprises the following steps: firstly, putting to-be-modified MOFs into a tube furnace, and introducing nitrogen to ensure no residual air inside; introducing a certain amount of pure pyridine (C5H5N) into the tube furnace together with the N2, and reacting at certain temperature; cooling a reaction tube containing the MOFs to below 50 DEG C, and introducing N2 to the tube furnace; and after desorption is ended taking out and encapsulating the modified MOFs for later use. The metal-organic framework porous adsorbing materials are simple in modification process and high in operability; and the problems of adsorptive property degradation and internal structure damage of the non-polar organic gas molecules caused by hydrophilia of metallic clusters in MOFs porous materials can be solved by the MOFs prepared by the method.
Owner:TONGJI UNIV
Photothermal/photodynamic synergistic tumor phototherapy reagent and preparation method and application thereof
ActiveCN113694197AStrong absorption propertiesStrong light-to-heat conversion performancePhotodynamic therapyNanomedicineTumor cellsMaterials science
The invention discloses a photothermal / photodynamic synergistic tumor phototherapy reagent. The photothermal / photodynamic synergistic tumor phototherapy reagent comprises a metal cluster, a photosensitizer and an MXene nanosheet material, wherein the metal cluster and the photosensitizer are loaded on the MXene nanosheet material to form an MXene nanosheet composite material. Meanwhile, the invention further discloses a preparation method of the photothermal / photodynamic synergistic tumor phototherapy reagent and application of the photothermal / photodynamic synergistic tumor phototherapy reagent. The MXene material is used for exerting the photothermal effect and the photodynamic activity, the metal cluster can be used for decomposing excessive hydrogen peroxide or water in tumor cells into oxygen, continuous oxygen supply for the photosensitizer is achieved, active oxygen species are generated, and therefore the photodynamic therapy is further enhanced; and the photothermal / photodynamic synergistic tumor phototherapy reagent is applied to photothermal / photodynamic synergistic tumor treatment to achieve the efficient tumor phototherapy effect, and the good market prospect is achieved.
Owner:THE SECOND PEOPLES HOSPITAL OF SHENZHEN
Formaldehyde removal product and manufacturing process thereof
ActiveCN114425236AAvoid pollutionNo energy consumptionGas treatmentDispersed particle separationSinglet oxygenAldehyde formation
The invention discloses an aldehyde removal product and a manufacturing process thereof, and belongs to the technical field of aldehyde removal, the aldehyde removal product comprises a metal cluster and a polymer carrier, and the metal cluster contains at least one element in the VIIB in the periodic table of elements; formaldehyde removal articles are formed by a manufacturing process of loading metal clusters to a polymeric carrier. According to the formaldehyde removal product, singlet oxygen is formed through the activation effect of extranuclear electrons of metal atoms in the metal clusters on oxygen in the air, and then the singlet oxygen reacts with formaldehyde in the air through the oxidability of the singlet oxygen to generate carbon dioxide and water, so that the formaldehyde removal effect is achieved.
Owner:山东结力新材料科技有限公司 +2
Gas-phase cluster reaction device and reaction system and method
InactiveCN111733392ASampling position is adjustableAdjustable and controllable temperatureVacuum evaporation coatingSputtering coatingGas phaseEvaporation chamber
The invention relates to a gas-phase cluster reaction device and reaction system and a method. The reaction device comprises a reaction part and an evaporation part, wherein the reaction part comprises a reaction chamber, the reaction chamber is provided with a reaction open end, the evaporation part comprises a telescopic assembly and a heating element, the telescopic assembly comprises an evaporation chamber, the evaporation chamber communicates with the reaction chamber, and the heating element is connected with the telescopic assembly and used for heating the evaporation chamber. Accordingto the device, a solid organic matter can be gasified into a gas state through the evaporation part, and becomes a supersonic expansion molecular beam after being subjected to flow dividing to efficiently and accurately react with a metal cluster is of axial flight in a reaction tube to grow into a metal-organic cluster.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Mass spectrum correction method for generating a series of standard metal cluster ions in site
InactiveCN111077210ARealize single-point correctionRealize multi-point correctionMaterial analysis by electric/magnetic meansResolution (mass spectrometry)Particle physics
The invention provides a mass spectrum correction method for generating a series of standard metal cluster ions in situ, and belongs to the technical field of detection and analysis. According to themethod, ligand-protected metal cluster molecules are ionized through electrospray ionization and then introduced into a mass spectrometry system; laser is introduced into a mass spectrum dissociationtrap to carry out protective group stripping and core metal cluster dissociation on a metal cluster, a series of standard metal cluster ions are generated in situ, and the detection quality precision,resolution, sensitivity and laser dissociation efficiency of a laser-mass spectrum system are corrected based on the generated series of metal cluster ions with continuous mass distribution. The method has the characteristics of being rapid, simple, efficient, stable, high in repeatability, wide in quality correction range, high in correction standard coverage rate and the like, and an effectiveguarantee technology is provided for the comprehensive correction of laser-mass spectrometry system performance.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
A predictive method for wettability between defect-introduced graphene and metals
ActiveCN107341301BReduce blindnessShorten the timeDesign optimisation/simulationSpecial data processing applicationsMetal clustersDefective graphene
The present invention is a method for predicting the wettability between graphene and metal with introduced defects. Based on the density functional theory of first principles, the adsorption energy and bond between graphene and metal clusters introduced with different kinds of defects are calculated by calculating. energy, structural changes, and predict the wettability between them. The defects introduced by graphene are mainly point defects, doped Ni defects, and Ni adsorption defects. Calculate them separately from metallic Cu 13 Cluster or Al 13 The adsorption energy, bond energy and structural changes after cluster adsorption, it is found that the introduction of graphene defects can improve the wettability between graphene and metal, especially the wettability between graphene and metal doped with Ni atoms significantly improved. The present invention can also effectively predict and analyze the wettability between the objects introduced with different defects and the metal according to the difference of the introduced defects or the different objects of the introduced defects.
Owner:NANCHANG HANGKONG UNIVERSITY
A kind of bimetal cluster-supported photocatalyst and its preparation method and application
ActiveCN110302780BHigh activityImprove stabilityMaterial nanotechnologyWater/sewage treatment by irradiationPtru catalystNanocarriers
A bimetallic cluster-supported photocatalyst, which is made of nano-TiO 2 (P 25 ) carrier-loaded bimetallic clusters, the bimetallic clusters are composed of metal M Ⅰ with Metal M Ⅱ composition, and the metal M Ⅰ with Metal M Ⅱ The mass ratio is 10:1‑50:1, the M Ⅰ One of Au and Ag, M Ⅱ It is one of Ag, Pt, Pd, Ru. The preparation method of this photocatalyst mainly is: metal M Ⅰ with Metal M Ⅱ Synthesize bimetallic clusters and dissolve them with dichloromethane to obtain bimetallic clusters M Ⅰ m Ⅱ Precursor solution is loaded, and the bimetallic cluster M Ⅰ m Ⅱ The loaded precursor solution and nano-TiO 2 (P 25 ) into dichloromethane or acetonitrile solution to obtain bimetallic cluster M Ⅰ m Ⅱ The composite carrier was dried under vacuum at room temperature to obtain M Ⅰ m Ⅱ / TiO 2 catalyst. The invention is an oxidation reaction catalyst with high activity, high stability, high reaction efficiency, recyclable utilization, and the degradation rate can reach more than 90%.
Owner:DALIAN NATIONALITIES UNIVERSITY
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