PbS Quantum Dots

Description

“PbS Quantum Dots (Lead Sulfide QDs)

Material Information:
Chemical Formula: PbS
Purity: 99%
Colloidal Quantum Dots
Available Volume: 10 mL
Optical Properties:
Photoluminescence (PL) Emission Peaks:
1100 nm
1300 nm
1500 nm
1600 nm
Tunable Bandgap: PbS QDs have a size-dependent bandgap, allowing precise control over infrared emission.
High Quantum Yield: Achieves strong and stable infrared fluorescence, essential for optoelectronic applications.
Key Features & Advantages:
Near-Infrared (NIR) Emission: PbS QDs are ideal for NIR optoelectronic applications, including telecommunications, sensing, and bioimaging.
Colloidal Stability: PbS QDs exhibit excellent solubility in organic solvents, enabling solution-processed device fabrication.
High Absorption Coefficient: Strong light absorption in the visible-to-NIR spectrum enhances photovoltaic and photodetector applications.
Long Exciton Lifetime: Suitable for high-efficiency photodetectors and quantum dot lasers.

Applications:
Infrared Photodetectors & Imaging Sensors
PbS QDs are widely used in short-wave infrared (SWIR) and mid-wave infrared (MWIR) imaging.
Quantum Dot Solar Cells (QDSCs):
PbS QDs serve as high-efficiency absorbers in next-generation solar cells.
NIR Light-Emitting Devices (PeLEDs):
Suitable for infrared light sources, fiber optics, and telecommunication applications.
Biomedical Imaging & NIR Fluorescence Probes:
PbS QDs provide deep tissue penetration and high-resolution NIR imaging.
Quantum Dots for Optoelectronics:
Used in infrared lasers, phototransistors, and SWIR cameras.
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