Nano tungsten trioxide is an inorganic material with the chemical formula of WO3, which has the appearance of light yellow powder and the particle size is usually between 20-100nm. The following is a detailed introduction about nano tungsten trioxide:
- Basic properties of nano tungsten trioxide
Chemical stability of nano tungsten trioxide
Nano tungsten trioxide has high chemical stability.
Solubility of nano tungsten trioxide
Insoluble in water, but soluble in alkali, slightly soluble in acid.
Structural change of nano tungsten trioxide
Its structure changes with temperature, such as above 740°C for tetragonal crystal system, 330-740°C for orthorhombic crystal system, 17-330°C for monoclinic crystal system, -50-17°C for triclinic crystal system.
Physical properties of nanometer tungsten trioxide
Specific surface area of nanometer tungsten trioxide
Nano tungsten trioxide has a large specific surface area, which makes its surface effect significant and gives it special catalytic properties.
Photoelectric Properties of Nano Tungsten Trioxide
As a compound of transition metal, nano tungsten trioxide is a wide bandgap n-type semiconductor, which has strong absorption ability for electromagnetic wave, so it can be used as excellent solar energy absorption material and stealth material.
Application fields of nanometer tungsten trioxide
Photocatalytic field
Nano tungsten trioxide has good photocatalytic stability and better catalytic effect on photocatalytic degradation of pollutants in water. Therefore, it is widely used in the field of photocatalysis, such as photolysis of water to produce hydrogen, photocatalytic degradation of organic pollutants and other reactions to improve water quality.
Energy field
In lithium-ion batteries, nano tungsten trioxide as an anode material has high energy density and cycle stability, which is expected to improve the performance of the battery.
Environmental Monitoring
Its excellent photoelectric properties make it an ideal choice as a sensor material for detecting pollutant concentrations and harmful gases in the environment.
Biomedical field
Nano tungsten trioxide has promising applications in biomedical fields, including biosensing, drug delivery and photothermal therapy. Its good biocompatibility and bioactivity provide possibilities for these applications.
- Preparation methods of nanometer tungsten trioxide
Nano tungsten trioxide is prepared by various methods, among which sol-gel method is one of the most commonly used methods. In this method, tungsten oxide nanomaterials are obtained by mixing tungstate and organic matter to form a sol, which is then gelatinized by steps such as heating and drying, and finally calcined. In addition, other preparation methods such as hydrothermal method, vapor phase deposition method and electrochemical method are also available.
Nano tungsten trioxide is a kind of nanomaterials with excellent performance and wide application prospects. With the continuous development of science and technology, its application fields will continue to expand and deepen.
More details of tungsten oxide product, please visit website: tungsten-oxide.com
Please contact CHINATUNGSTEN for inquiry and order of tungsten oxide:
Email: sales@chinatungsten.com
Tel.: 86 592 5129595
