What is Cadmium Selenide (CdSe) Nanopowder/Nanoparticles?
Cadmium Selenide (CdSe) Nanopowder/Nanoparticles is a semiconductor nanomaterial widely used in optoelectronics, quantum dots, photovoltaics, biomedical imaging, and laser devices. It exhibits excellent photoluminescence, high quantum efficiency, and tunable bandgap properties, making it a crucial material for advanced optical and electronic applications.
Chemical Properties and CAS Number
- Chemical Formula: CdSe
- CAS Number: 1306-24-7
- Appearance: Red to black fine powder
- Density: ~5.81 g/cm³
- Melting Point: ~1,240°C
- Solubility: Insoluble in water, soluble in acids
- Chemical Stability: High photostability, excellent quantum confinement properties
Applications of Cadmium Selenide (CdSe) Nanoparticles
1. Quantum Dots & Optoelectronics
Used in LEDs, display panels, and quantum dot-based imaging due to its tunable bandgap and fluorescence properties.
2. Photovoltaics & Solar Cells
Applied in thin-film solar cells and light-harvesting devices to enhance efficiency and charge transfer mechanisms.
3. Biomedical Imaging & Fluorescent Markers
Utilized in bio-labeling, cellular imaging, and fluorescence microscopy for high-resolution diagnostics.
4. Laser Technology & Infrared Sensors
Employed in high-power laser diodes, IR detectors, and optoelectronic sensors due to its unique optical response.
5. High-Performance Photodetectors
Integrated into UV-visible photodetectors and night vision devices for superior light absorption and signal conversion.
6. Nanophotonics & Light-Emitting Applications
Used in phosphors, optical coatings, and color conversion films for enhanced luminescence and energy transfer.
Pricing of Cadmium Selenide (CdSe) Nanopowder
Prices vary based on purity, quantum dot size, and synthesis method:
- Industrial Grade: Typically ranges from $200 – $1,000 per gram
- High-Purity/Specialized Grade: Prices range from $1,500 – $10,000 per gram, used in quantum dot displays, bio-imaging, and advanced laser applications.
Factors Influencing Cadmium Selenide Prices
- Purity level and particle size distribution
- Quantum efficiency and fluorescence properties
- Bulk order volume and processing cost
- Industry demand for semiconductor nanomaterials
Conclusion
Cadmium Selenide (CdSe) Nanopowder/Nanoparticles is a high-performance semiconductor material used in quantum dots, photovoltaics, lasers, biomedical imaging, and photodetectors. Its optical tunability, high quantum efficiency, and photostability make it essential for next-generation electronic and scientific advancements. Pricing depends on purity, processing, and intended application.
