CdSe ZnS Core Shell Nanoparticles (CdSe/ZnS, 99.9%, APS: 80-100nm, Inorganic Semiconductor)

CdSe ZnS Core-Shell Nanoparticles

Applications

Biomedical Applications

Fluorescence Imaging: CdSe/ZnS quantum dots are widely used in fluorescent imaging due to their high brightness and tunable emission spectra. These quantum dots can be targeted to specific cells or tissues, enabling in vivo and ex vivo imaging for cancer detection, cell tracking, and molecular diagnostics.

Bioassays and Biosensors: CdSe/ZnS quantum dots are used in biosensors for the detection of biomolecules, such as proteins, nucleic acids, or pathogens. The high quantum yield and size-tunable fluorescence make them ideal for use in multiplexed detection systems where multiple biomarkers can be detected simultaneously.

Drug Delivery: Functionalized CdSe/ZnS quantum dots can serve as carriers for targeted drug delivery. Their fluorescence allows for real-time monitoring of drug release and delivery to specific locations within the body, providing valuable insights into therapeutic efficacy.

Optoelectronic Devices

Light-Emitting Diodes (LEDs): CdSe/ZnS quantum dots are used in LEDs and quantum dot displays (QLEDs) due to their vivid color emission and high photoluminescent efficiency. These quantum dots provide superior color purity and energy efficiency compared to traditional materials.

Solar Cells: CdSe/ZnS quantum dots can be used in quantum dot solar cells (QDSCs), where they absorb sunlight and convert it into electricity. The tunability of the absorption spectrum of these quantum dots helps to optimize the photovoltaic performance of solar cells.

Photodetectors: The high quantum efficiency of CdSe/ZnS quantum dots makes them excellent candidates for use in photodetectors and light sensors that require high sensitivity and broad spectral range.

Quantum Computing and Photonics

Quantum Dots in Quantum Information Processing: CdSe/ZnS quantum dots are studied for their potential applications in quantum computing and quantum cryptography. Their discrete energy levels and well-defined optical properties make them suitable for use in quantum bits (qubits) and other quantum information technologies.

Photonic Devices: These quantum dots can be integrated into photonic devices like lasers, modulators, and waveguides. Their ability to emit coherent light with high efficiency is beneficial for optical communication systems and other photonic applications.

Environmental Monitoring

Sensors for Pollutants: CdSe/ZnS quantum dots can be used in environmental sensors for the detection of toxic substances or pollutants in water, air, or soil. The fluorescence of these nanoparticles can be modulated by the presence of specific ions or molecules, allowing for real-time monitoring of environmental conditions.