Nanometer Tungsten Oxide (WO₃)

Product Overview

Nanometer Tungsten Oxide (WO₃) is a transition metal oxide material with excellent photoelectric properties, offering wide application potential in optics, electronics, and energy fields. As an indirect bandgap semiconductor, WO₃ exhibits unique optical characteristics, such as photochromic effects, and maintains good stability under extreme conditions like high temperatures and strong acids/bases. Due to its high chemical reactivity and electrical properties, WO₃ is widely used in cutting-edge technologies.

Key Features

• Unique Optical Properties: Capable of absorbing visible light and exhibiting photochromic behavior in the near-infrared region.
• Physical and Chemical Stability: Remains stable under harsh environments like high temperatures and strong acidic or basic conditions.
• Good Electrical Properties: Tunable conductivity, which can be controlled by external conditions (e.g., temperature, atmosphere).
• High Chemical Reactivity: Large surface atom proportion with abundant active sites, enabling chemical reactions with various substances.
• Excellent Photoelectric Conversion Efficiency: Shows significant potential in photovoltaic fields, especially for solar cells.
• Gas Sensitivity: Highly sensitive to low concentrations of specific gases, making it ideal for sensor applications.

Applications

• Photocatalysis: Used in water splitting for hydrogen production, degrading organic pollutants, and other photocatalytic reactions.
• Sensors: Widely applied in gas sensors, particularly for detecting harmful gases in the air.
• Solar Cells: As an n-type semiconductor material, it enhances the photoelectric conversion efficiency of solar cells.
• Electrochemical Energy Storage: Utilized in supercapacitors and fuel cells due to its excellent conductivity and stability.
• Smart Windows & Architectural Glass: Utilized for its photochromic properties in smart windows and building glass, offering energy-saving and aesthetic benefits.