The quantum yield is not determined. The Absorption Maximum and the Full Width Half Max (FWHM) are reported on the lot specific Certificate of Analysis. Please see the link below to review a sample or lot specific Certificate:
https://www.sigmaaldrich.com/product/aldrich/925543#product-documentation
925543
Infrared PbS quantum dots
λmax, 1350 nm, 100 mg/mL in toluene
Synonym(s):
Fluorescent nanocrystals, INFIQ® quantum dots, Lead based core type, QDs
Pricing and availability is not currently available.
form
liquid
Quality Level
packaging
pkg of 1 mL
concentration
100 mg/mL in toluene
particle size
<10 nm (Nanoparticle)
λmax
≤120 nm (FWHM)
1350 nm
storage temp.
2-8°C
SMILES string
[Pb]=S
InChI
1S/Pb.S
InChI key
XCAUINMIESBTBL-UHFFFAOYSA-N
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Application
Lead sulfide quantum dots are inorganic semiconductors with an outer surface coating of organic ligands. Due to their excellent photosensitivity and band-gap tunability, they find applications in photodetectors. These particles are tuned to 1350 nm and are compatible with standard silicon-based complementary metal-oxide semiconductor (CMOS) read-out circuits.
Other applications of these materials include light detection and ranging (LIDAR), 3D laser scanning, solar cells, as well as Time of Flight (ToF) sensing.
Other applications of these materials include light detection and ranging (LIDAR), 3D laser scanning, solar cells, as well as Time of Flight (ToF) sensing.
Legal Information
INFIQ is a registered trademark of Quantum Science Ltd.
signalword
Danger
Hazard Classifications
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 1A - Skin Irrit. 2 - STOT RE 2 - STOT RE 2 Inhalation - STOT SE 3
target_organs
Central nervous system
Storage Class
3 - Flammable liquids
wgk_germany
WGK 3
flash_point_f
39.2 °F
flash_point_c
4 °C
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Do these PbS quantum dots with emission wavelength of ~1350nm have a known quantum yield?
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