Tungsten trioxide nanomaterial is a new type of material with special physicochemical properties, its chemical formula is WO3, and its appearance is usually yellow powder. The following is a detailed introduction to tungsten trioxide nanomaterials:
- Basic properties of tungsten trioxide nanomaterials
Chemical properties of tungsten trioxide nanomaterials
Tungsten trioxide is insoluble in water, but soluble in alkali, slightly soluble in acid (except HF acid). Its structure changes with temperature, and the common structure is monoclinic crystal system.
Physical Properties of Tungsten Trioxide Nanomaterials
Nanoscale tungsten trioxide is characterized by high purity, small particle size, uniform distribution, large specific surface area and high surface activity. These properties make nanoscale tungsten trioxide show excellent performance in many fields.
Second, the preparation method of tungsten trioxide nanomaterials
There are various methods for the preparation of tungsten trioxide nanomaterials, among which electrochemical anodic oxidation is a commonly used method. In this method, high purity metal tungsten is used as the anode, and the ions in the electrolyte etch the metal surface of the anode through the action of an applied electric field in the electrolytic solution, so as to gradually accumulate into the tungsten trioxide nanomaterials with specific morphology and structure.
Application fields of tungsten trioxide nanomaterials
Energy field
Nano tungsten trioxide is used as anode material in lithium-ion battery, which has high energy density and cycle stability, and is expected to improve the performance of the battery.
Environmental field
Its excellent photoelectric properties make it an ideal choice for sensor materials, which can be used to detect pollutant concentrations and harmful gases in the environment. In addition, tungsten trioxide nanoparticles can be used in the field of water treatment to remove harmful substances from water through reactions such as photolysis of water to produce hydrogen and photocatalytic degradation of organic pollutants.
Biomedical field
The application of tungsten trioxide nanometer in biomedical field mainly includes biosensing, drug delivery and photothermal therapy. Its good biocompatibility and bioactivity make nanometer tungsten trioxide has a wide range of application prospects in biomedical field.
Other fields
Nano tungsten trioxide can also be used as an intermediate product for calcined reduction to produce tungsten powder and tungsten carbide powder; production of cemented carbide products such as cutting tools and molds; manufacture of pure tungsten products such as tungsten bars, tungsten wires and tungsten electrodes. In addition, it has applications in gas sensitization, catalytic paint photocatalysis, solar photographic film, X-ray shielding and fireproof fabrics.
Tungsten trioxide nanomaterials have attracted much attention due to their unique physicochemical properties and multifaceted application potential. With the progress of science and technology and in-depth research, it is believed that tungsten trioxide nanomaterials will play an important role in more fields.
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