Tungsten Oxide

Tungsten oxide powder is an inorganic tungsten compound with tungsten in the +6 oxidation state. It is typically available as a light yellow to yellow-green powder and is valued for its semiconductor properties, optical absorption characteristics, and electrochemical activity.

VIMATERIAL supplies tungsten oxide powder for research, electronic materials, optical coatings, energy storage and other advanced material applications. Different purity grades and particle sizes can be provided according to application requirements, with customized specifications available for experimental and industrial use. Contact us for more information.

Basic Information

The crystal structure and physical properties of WO₃ can vary with preparation conditions, particle size and temperature. Monoclinic, orthorhombic and triclinic phases may occur under different conditions.

Key Features

• High purity: Suitable for advanced materials research and electronic applications.
• Semiconductor properties: Exhibits useful electronic and optical properties for functional material applications.
• Optical response: Strong light absorption characteristics make WO₃ suitable for optical and photo-responsive materials.
• Electrochemical activity: Its crystal structure enables ion insertion and extraction, supporting research into energy-storage materials.
• Customizable specifications: Purity, particle size and packaging can be adjusted according to customer requirements.
• Suitable for research and production: Available for laboratory-scale experiments, material development and customized projects.

Applications of Tungsten Oxide Powder

• Optical Films and Coatings: WO₃ is used in functional optical films and coatings where its optical absorption and refractive properties are beneficial, including optical filters, light-control coatings and other functional thin-film systems.
• Electronic and Semiconductor Materials; As an n-type semiconductor, WO₃ is investigated for electronic and optoelectronic devices, sensors, thin-film transistors and other functional semiconductor structures. Its electrical properties can be tailored through doping, nanostructuring and other material-engineering approaches.
• Photo-Thermal and Photo-Responsive Materials： WO₃ has strong optical absorption in relevant visible and near-infrared regions, making it a candidate material for photothermal conversion, solar-energy-related research and other photo-responsive systems.
• Lithium-Ion Battery Materials： WO₃ is studied as an electrode material for lithium-ion batteries. Its crystal structure can accommodate lithium-ion insertion and extraction, while its relatively high theoretical capacity makes it of interest for advanced energy-storage research.
• Gas Sensors and Functional Oxides： WO₃ is also widely investigated as a functional oxide for gas-sensing and other surface-reaction applications, where changes in electrical conductivity can be associated with interactions between the material surface and target gases.

Packaging & Storage

WO₃ powder is supplied in sealed, moisture-resistant packaging to minimize contamination and moisture exposure during transportation and storage. Store in a cool, dry and well-ventilated environment, tightly sealed and protected from incompatible materials.

Custom Tungsten Oxide Powder

VIMATERIAL can provide WO₃ powder with different purity levels, particle sizes and packaging specifications according to your application requirements. For research projects or customized material requirements, please provide the required purity, particle size, quantity and application details.

FAQs

Q1. What is Tungsten Oxide (WO₃) powder used for?

WO₃ powder is used in optical coatings, semiconductor and electronic materials, gas sensors, photo-responsive materials and battery research.

Q2. What purity of WO₃ powder can you supply?

Different purity grades can be supplied according to the application. Please contact us with your required purity and impurity specifications.

Q3. Can the particle size of WO₃ powder be customized?

Yes. Particle size can be adjusted or selected according to the requirements of your application, synthesis route or downstream processing.

Q4. What crystal structure does WO₃ have?

WO₃ can exhibit orthorhombic, monoclinic and triclinic crystal structures depending on temperature and preparation conditions.