Tungsten oxide (Tungsten Oxide, WO3) has various oxidation states and structural forms in chemistry. Here are some common forms of tungsten oxide:
Tungsten Trioxide (WO3)
Tungsten trioxide is the most common form of tungsten oxide and has the chemical formula WO3. It is a yellow solid that can occur in different crystal structures, including monoclinic (α-WO3) and triclinic (β-WO3), among others. Tungsten trioxide has important uses in various application fields, such as electronic materials, catalysts, optical coatings, etc.
Tungsten Dioxide (WO2)
Tungsten dioxide is a black solid with the chemical formula WO2. In its structure, each tungsten atom is surrounded by eight oxygen atoms, forming an octahedral structure. Tungsten dioxide has special applications in some fields, such as electrochemical energy storage, photocatalysis, etc.
Tungsten Suboxide
Tungsten suboxide refers to tungsten oxide with a lower oxidation state. Their chemical formula can be expressed as WO2.9 or WO2.72, representing the oxidation state of tungsten between +4 and +5. Tungsten suboxide has special electron and ion transport properties, so it has potential application value in some energy storage and electronic devices.
These are some common forms of tungsten oxide, each with different chemical properties and application potential. The specific form of tungsten oxide depends on the preparation method, reaction conditions and application requirements.
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