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254231

Sigma-Aldrich

Lead(II) selenide

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25 G
$399.00

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25 G
$399.00

About This Item

Linear Formula:
PbSe
CAS Number:
Molecular Weight:
286.16
EC Number:
MDL number:
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.23

$399.00


Available to ship onApril 29, 2025Details


Request a Bulk Order

Quality Level

assay

99.99%

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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density

8.1 g/mL at 25 °C (lit.)

greener alternative category

SMILES string

[Se]=[PbH2]

InChI

1S/Pb.Se

InChI key

GGYFMLJDMAMTAB-UHFFFAOYSA-N

General description

Lead selenide has cubic rocksalt crystal structure which undergoes transition at high pressures to orthorhombic structure.2 PbSe is a semiconductor material that emits infrared radiation.[1] Heat capacity of PbSe was evaluated by Kelley-Parks-Huffman method.[2]
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Application

Lead selenide may be used to prepare PbSe/CdSe core/shell nanocrystal quantum dots (NQDs) applications such as infrared lasers and biological labels.[3] Other applications may be as photodetectors.[1]

Packaging

Packaged in poly bottles

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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Repr. 1A - STOT RE 2

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Yen-Fu Lin et al.
Electrophoresis, 33(16), 2475-2481 (2012-08-18)
DEP is one of promising techniques for positioning nanomaterials into the desirable location for nanoelectronic applications. In contrast, the lithography technique is commonly used to make ultra-thin conducting wires and narrow gaps but, due to the limit of patterning resolution
Fen-Ying Kong et al.
Biosensors & bioelectronics, 39(1), 177-182 (2012-08-14)
An electrochemical method for the simultaneous detection of two different tumor markers, carcinoembryonic antigen (CEA) and α-fetoprotein (AFP), in one-pot, using CdS/DNA and PbS/DNA nanochains as labels was developed. Herein, magnetic beads (MBs) as bimolecule immobilizing carriers, were used for
Barbara K Hughes et al.
ACS nano, 6(6), 5498-5506 (2012-05-11)
We have synthesized alkylselenide reagents to replace the native oleate ligand on PbSe quantum dots (QDs) in order to investigate the effect of surface modification on their stoichiometry, photophysics, and air stability. The alkylselenide reagent removes all of the oleate
Heat capacity and thermodynamic properties of lead selenide and lead telluride.
Pashinkin AS, et al.
Inorganic Materials, 45(11), 1226- 1229 (2009)
M N Nordin et al.
Nanotechnology, 23(27), 275701-275701 (2012-06-19)
A comprehensive study of the optical properties of PbS nanocrystals (NCs) is reported that includes the temperature dependent absorption, photoluminescence (PL) and PL lifetime in the range of 3-300 K. The absorption and PL are found to display different temperature

Articles

Thermoelectric materials comprise a wide range of solid compounds distinguished by their ability to convert thermal and electrical energy.

Questions

  1. What is the physical form of this material? I asuume it is a powder but what is the mesh/size characteristics?

    1 answer
    1. This product has an acceptable appearance specification of Powder or Granules or Chunk(s). The physical form is lot-specific and reported in the product Certificate of Analysis. The particle size is not determined given the variability of the form. The material is not screened and the particle size is not controlled.

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