Gallium sulfide is a crucial III-VI compound semiconductor material with the chemical formula Ga₂S₃ (or GaS). This product is a high-purity crystalline powder featuring a high melting point of approximately 965°C and a density of 3.86 g/cm³. It possesses a unique layered crystal structure and a wide bandgap of approximately 2.5–3.2 eV, making it a wide-bandgap semiconductor material with excellent light and thermal stability. It exhibits outstanding optoelectronic and photocatalytic properties along with high carrier mobility. Its bandgap range bridges the gap between layered narrow-bandgap semiconductors and insulators, offering promising prospects in emerging optoelectronic fields.
We offer high-quality gallium sulfide powder in multiple purity grades with customizable particle sizes, supported by professional sealed packaging from gram to kilogram quantities. Contact us for samples.
High purity and stable crystal phase
Unique layered wide-bandgap structure
Excellent optoelectronic and photocatalytic properties
Good air stability (among chalcogenides)
Controllable particle size and professional moisture-proof packaging
Optoelectronics & Sensing: Used in fabricating high-performance UV and visible light photodetectors, field-effect transistors, and light-emitting devices.
Energy & Catalysis: Serves as a photocatalyst for solar cells, water splitting for hydrogen production, and degradation of organic pollutants, enhancing energy conversion and environmental purification efficiency.
Nonlinear Optics and Advanced Devices: Leveraging its strong nonlinear optical response for second harmonic generation, reconfigurable photonic chips, infrared windows, and other cutting-edge optical applications.
Q1: How should the product be stored?
A1: This product is sensitive to air and moisture. Store and transport in sealed, light-protected containers under dry conditions at approximately -20°C.
Q2: What is the difference between gallium sulfide and gallium arsenide?
A2: The core distinction lies in their elemental composition and properties. Gallium sulfide is a wide-bandgap sulfide with outstanding optical characteristics, while gallium arsenide is a classic compound semiconductor renowned for its high-frequency and high-speed electrical performance.
Q3: Where is this powder primarily used?
A3: It targets high-end optoelectronics and green energy sectors, serving as a key material for manufacturing novel photodetectors, high-efficiency photocatalysts, and specialized optical components.
Q4: How should purity be selected?
A4: It depends on application requirements. Cutting-edge optoelectronic device R&D demands extremely high purity and crystal phase quality; certain catalytic or additive applications can select corresponding grades based on specific needs.
Each batch is supplied with:
Certificate of Analysis (COA)
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Third-party testing reports available upon request
We specialize in providing high-performance, stable, and reliable advanced compound semiconductor materials, backed by professional customization capabilities to support your innovations in optoelectronics and energy sectors.
Molecular Formula: GaS
Molecular Weight: 145.74 g/mol
Appearance: Gray to black powder
Density: Approx. 4.05 g/cm³
Melting Point: Approx. 1,050 °C
Crystal Structure: Hexagonal
Signal Word:
Danger
Hazard Statements:
H314: Causes severe skin burns and eye damage
Inner Packaging: Double-layer sealed plastic bags or aluminum foil bags for moisture and leakage protection.
Outer Packaging: Iron drum or fiber drum, depending on the weight, with reinforced sealed lid.
Hazard Packaging: UN-certified packaging compliant with regulations for hazardous materials transportation.
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