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925535

Sigma-Aldrich

Infrared PbS quantum dots

λmax, 1550 nm, 100 mg/mL in toluene

Synonym(s):

Fluorescent nanocrystals, INFIQ® quantum dots, Lead based core type, QDs

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About This Item

Linear Formula:
PbS
CAS Number:
1314-87-0
MDL number:
MFCD00016280
UNSPSC Code:
12352302
NACRES:
NA.23

form

liquid

Quality Level

100

packaging

pkg of 1 mL

concentration

100 mg/mL in toluene

particle size

<10 nm (Nanoparticle)

λmax

≤120 nm (FWHM)
1550 nm

storage temp.

2-8°C

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 1550 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.

Legal Information

Product of Quantum Science Ltd
INFIQ is a registered trademark of Quantum Science Ltd.

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

39.2 °F

Flash Point(C)

4 °C

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G L Whitworth et al.
Nature photonics, 15(10), 738-742 (2021-10-08)
Solution processed semiconductor lasers have achieved much success across the nanomaterial research community, including in organic semiconductors1,2, perovskites3,4 and colloidal semiconductor nanocrystals5,6. The ease of integration with other photonic components, and the potential for upscaling using emerging large area fabrication

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