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1. Chemical properties of cesium tungsten bronze Cesium tungsten bronze is a kind of blue black powder, which is a kind of non stoichiometric compound. Its English name is Cesium Tungsten Bronze, and its chemical formula is CsxWO3. The purity is generally higher than 99.9%. The particle size is uniform, the primary particle size is about 30nm, the loose density is 1.5g/ml, and the specific surface...
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Cesium tungsten bronze (CsxWO3) is a non stoichiometric functional compound with a special oxygen octahedral structure. It has low resistivity and low-temperature superconductivity, and excellent mechanical, optical, and thermal properties. The nano cesium tungsten bronze powder produced by our company is a nanomaterial with significant near-infrared absorption effect, with uniform particles and g...
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Nitrogen doped carbon nanotubes are a new type of nanomaterial with excellent physical and chemical properties, and have broad application prospects. First, nitrogen doped carbon nanotubes can be prepared by various methods, such as chemical vapor deposition, chemical vapor deposition arc discharge, electrochemical oxidation and reduction, sol gel method, etc. Among them, nitrogen doped carbon nan...
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The preparation of SEM nano powder samples usually requires the following steps: Sample preparation Firstly, it is necessary to choose an appropriate sample preparation method. Usually there are physical methods, chemical methods, biological methods, mechanical methods, etc. Among them, the most common methods are magnetron sputtering, chemical reduction, aerosol, etc. Sample dispersion It is also...
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There are several methods to improve the flowability of powder during transportation: The particle shape of the powder can be controlled by changing the operating conditions during the grinding or spray drying process to affect its fluidity. Powder can be added with flowability additives, such as granular substances such as silica or alumina, to improve its flowability. For powders that are diffic...
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Measuring the thickness of the coating layer in nanoparticles requires the use of advanced instruments and techniques. The following are possible measurement methods: Transmission Electron Microscope (TEM): This is a microscope that utilizes high-density electron beams to observe and measure the structure and properties of nanoparticles. For the measurement of the thickness of the coating layer, T...
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Silicon carbide particle reinforced aluminum matrix composite material, abbreviated as SiCp/Al composite material, refers to the addition of silicon carbide particles (SiCp) to aluminum matrix alloys to form a composite material with high strength, high stiffness, and high heat resistance. This composite material has been widely used in fields such as aerospace, shipbuilding, vehicles, electronic ...
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How to apply nanomaterials to clothing, food, housing, and transportation Nanotechnology has always been a highly anticipated field in the technology industry, and nanomaterials are an important component of nanotechnology. The application of nanomaterials in clothing, food, housing, and transportation is constantly expanding, especially in improving production efficiency and quality of life. Clot...
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Metal nanoparticles are a widely used material that can be applied in various fields, such as medicine, electronics, energy, and the environment. They have extremely small size and high surface area, which can enhance the performance of many materials. However, the surface of metal nanoparticles is often very active and easily reacts with the surrounding environment, so a passivation layer is need...
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Class I and Class II materials are two fundamental concepts in the field of materials science, which are used to describe the crystal structure types of materials and are often applied in the research of materials such as semiconductors and metals. So, how do we distinguish between Class I materials and Class II materials? A simple method is to distinguish based on the density of the material. Com...
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Graphene quantum dots (GQDs) refer to a new type of carbon based fluorescent material with a graphene layer size of less than 100nm and a number of layers of less than 10. Generally speaking, graphene quantum dots include a large class of carbon fluorescent materials and their derivatives with similar structures and properties, including graphene quantum dots, oxidized graphene quantum dots, and p...
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Synthesis of Carbon Quantum Dots The synthesis of carbon quantum dots can be mainly divided into two categories: top-down method and bottom-up method. Through the pre-treatment, preparation, and subsequent processing, carbon quantum dots can be controlled in size, passivated on the surface, doped with heteroatoms, and nanocomposites to meet the requirements. Top-down approach Top down method: lase...
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