Tungsten Trioxide (WO3) is a compound composed of tungsten and oxygen, and is a common oxide form of tungsten. It has the chemical formula WO3.
Tungsten trioxide is a yellow solid that usually appears yellow or light yellow in its natural state. It has a variety of crystal structure forms, the most common being monoclinic (α-WO3) and triclinic (β-WO3).
Tungsten trioxide has important applications in many fields. The following are some major application areas:
Electronic Materials
Tungsten trioxide is widely used as electronic materials, such as transparent conductive films and electrode materials in electronic devices.
Optical Coating
Due to its excellent optical properties, tungsten trioxide is often used in optical coatings, optical filters and anti-reflective coatings, etc.
Catalyst
Tungsten trioxide exhibits good activity and selectivity in catalytic reactions, and is used in oxidation reactions, acid-base catalysis and other fields.
Gas Sensitive Material
Tungsten trioxide is sensitive to changes in gas and humidity, so it can be used in gas sensors and humidity detectors, etc.
Electrochemical Energy Storage
Due to its high specific surface area and good electrochemical performance, tungsten trioxide has potential applications in lithium-ion batteries and supercapacitors.
These are some of the major applications of tungsten trioxide and its chemical and physical properties make it promising in several fields.
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