What are Selenium (Se) Sputtering Targets?

Selenium (Se) Sputtering Targets are high-purity selenium materials utilized in thin-film deposition processes, predominantly through Physical Vapor Deposition (PVD). Due to their semiconducting properties, Selenium targets are extensively used in electronics, photovoltaics, optics, and advanced materials research.

Chemical Properties and CAS Number

• Material: Selenium (Se)

• CAS Number: 7782-49-2

• Molecular Weight: 78.96 g/mol

• Density: 4.81 g/cm³ (amorphous); 4.39 g/cm³ (hexagonal)

• Melting Point: 221°C

• Boiling Point: 685°C

• Appearance: Metallic gray to black solid

• Electrical Resistivity: ~12 µΩ·m (at 20°C)

• Thermal Conductivity: 0.52 W/(m·K)

Applications of Selenium (Se) Sputtering Targets

• Photovoltaics & Solar Cells: Used for fabricating thin-film solar cells (CIGS technology) to enhance energy efficiency and conversion performance.

• Electronics & Semiconductors: Applied in thin-film transistors (TFTs), photodiodes, sensors, and memory devices due to excellent semiconducting properties.

• Optical Coatings: Essential in infrared (IR) optics, lenses, mirrors, and photoconductive coatings for optical sensors.

• X-ray and Photoconductors: Widely utilized in medical imaging technologies, X-ray detection devices, and photocopying machines.

• Thin-Film Deposition & Research: Used in advanced material synthesis, nanotechnology research, and high-quality semiconductor layer fabrication.

Pricing of Selenium (Se) Sputtering Targets

Pricing for Selenium sputtering targets varies based on purity, shape, dimensions, and order volume:

• Laboratory Scale: $150 – $800 per piece (depending on purity and dimensions)

• Industrial Scale: $1,500 – $6,000 per batch (higher purity and custom dimensions)

• Customized Targets: Available upon request, pricing depends on individual specifications and requirements.

Factors Influencing Pricing

• Purity level (99.9%, 99.99%, 99.999%)

• Target shape and dimensions (circular, rectangular, custom)

• Custom machining and surface finishing requirements

• Order quantity and bulk purchase discounts

• Special packaging and safe handling precautions