What is Cadmium Selenide (CdSe) Micron Powder?

Cadmium Selenide (CdSe) Micron Powder is a crystalline semiconductor compound composed of cadmium and selenium. Known for its optical and electronic properties, CdSe is widely used in photovoltaics, optoelectronics, and quantum dot technology. In micronized powder form, it is tailored for research, coating, and synthesis applications.

Chemical Properties and CAS Number

• Chemical Formula: CdSe
• CAS Number: 1306-24-7
• Molecular Weight: 191.38 g/mol
• Appearance: Red to dark red powder
• Melting Point: ~1268 °C
• Crystal Structure: Hexagonal or cubic
• Band Gap: ~1.74 eV (bulk)
• Purity: 99.9% or higher
• Particle Size: 1–25 µm (customizable)

Applications of CdSe Micron Powder

1. Photovoltaics

Used in thin-film solar cells as an absorber layer due to its direct band gap and strong light absorption.

2. Optoelectronics

Essential in photo-detectors, laser diodes, LEDs, and photoconductive cells.

3. Quantum Dot Synthesis

A precursor for synthesizing CdSe quantum dots, which are used in display technologies, bioimaging, and fluorescent tagging.

4. Pigments & Coatings

Utilized in high-performance ceramic glazes and pigments for specialized color applications.

5. Research & Development

Used in nanostructure fabrication, semiconductor doping, and electronic research environments.

Pricing of CdSe Micron Powder

Prices vary based on purity, particle size, and quantity:

• Small-scale (10–100g): $300 – $1,000
• Bulk quantities (1–10 kg): $2,000 – $10,000
• Custom specs or ultra-high purity: Quoted upon request

Factors Influencing Pricing

• Purity level (99.9%, 99.99%, etc.)
• Micronization range
• Crystal structure (cubic vs. hexagonal)
• Application-specific formulations
• Bulk discounts, packaging requirements, and shipping destination

Conclusion

Cadmium Selenide (CdSe) Micron Powder is a versatile compound with significant applications in energy, electronics, and nanotechnology. Its unique semiconductor properties and tunable band gap make it ideal for high-efficiency optoelectronic devices, quantum dots, and solar energy systems.