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900735

Sigma-Aldrich

PbS core-type quantum dots

oleic acid coated, fluorescence λem 1100 nm, 10 mg/mL in toluene

Synonym(s):

Fluorescent nanocrystals, Lead sulfide, PbS QDs

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About This Item

Linear Formula:
PbS
CAS Number:
1314-87-0
UNSPSC Code:
12352200
NACRES:
NA.23

Quality Level

100

form

liquid

concentration

10 mg/mL in toluene

fluorescence

λem 1100 nm

storage temp.

2-8°C

InChI

1S/Pb.H2S/h;1H2

InChI key

MIXDRAMRMDOQJH-UHFFFAOYSA-N

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Application

The size for our lead sulfide (PbS) quantum dots (QDs) varies between 2.5 to 8 nm and depending upon this, these QDs emit between 900-1600 nm. Our PbS QDs possess high quantum yield, sharp emission and exhibit narrow fluorescence band (full width at half maximum <100 nm), which make them suitable as light absorber or IR emitter in applications in solar cells, photodetectors and infrared light emitting diodes (LEDs).

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 1A - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

46.4 °F - closed cup

Flash Point(C)

8 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gerasimos Konstantatos et al.
Nature nanotechnology, 5(6), 391-400 (2010-05-18)
The detection of photons underpins imaging, spectroscopy, fibre-optic communications and time-gated distance measurements. Nanostructured materials are attractive for detection applications because they can be integrated with conventional silicon electronics and flexible, large-area substrates, and can be processed from the solution
Xinzheng Lan et al.
Advanced materials (Deerfield Beach, Fla.), 28(2), 299-304 (2015-11-19)
A solution-based passivation scheme is developed featuring the use of molecular iodine and PbS colloidal quantum dots (CQDs). The improved passivation translates into a longer carrier diffusion length in the solid film. This allows thicker solar-cell devices to be built
Highly efficient quantum dot near-infrared light-emitting diodes.
Gong X, et al.
Nature Photonics, 10, 253-257 (2016)

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In this article, the properties of some of the new non-cadmium based QDs along with different applications of QDs are summarized.

Advancements in Quantum Dot Solar Cells

Professor Sharma and colleagues review the synthesis and applications of this novel material. This includes a discussion of the unique properties of quantum dots and their suitability for solar cell applications, along with common synthesis techniques used to develop these materials.

Applications of Quantum Dots in Bioimaging and Bioassays

Professor Xiaohu Gao (University of Washington, USA) provides a overview of recent quantum dot (QD) advancements and their potential for advancing bioassay and bioimaging technologies.

Synthesis of Halide Perovskite Quantum Dots for Display Applications

Synthesis of Halide Perovskite Quantum Dots for Display Applications

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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