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254231

Sigma-Aldrich

Lead(II) selenide

greener alternative

99.99%

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About This Item

Fórmula lineal:
PbSe
Número de CAS:
12069-00-0
Peso molecular:
286.16
EC Number:
235-109-4
MDL number:
MFCD00016273
UNSPSC Code:
26111700
PubChem Substance ID:
24855368
NACRES:
NA.23

Quality Level

100

assay

99.99%

greener alternative product characteristics

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

sustainability

Greener Alternative Product

density

8.1 g/mL at 25 °C (lit.)

greener alternative category

, Enabling

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. Heat capacity of PbSe was evaluated by Kelley-Parks-Huffman method.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

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

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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Certificados de análisis (COA)

Lot/Batch Number
MKCH5857
MKBW4031V
MKBR5556V
MKBD6421
79397LJ

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Joshua J Choi et al.
Nano letters, 12(9), 4791-4798 (2012-08-15)
The self-assembly of colloidal nanocrystals into ordered superstructures depends critically on the shape of the nanocrystal building blocks. We investigated the self-assembly of cubic PbSe nanocrystals from colloidal suspensions in real-time using in situ synchrotron-based X-ray scattering. We combined small-angle
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
Giang H T Au et al.
Nanotechnology, 23(27), 275601-275601 (2012-06-19)
Quantum dots (QDs) are semiconducting nanocrystals that have photoluminescent (PL) properties brighter than fluorescent molecules and do not photo-bleach, ideal for in vivo imaging of diseased tissues or monitoring of biological processes. Near-infrared (NIR) fluorescent light within the window of
Heat capacity and thermodynamic properties of lead selenide and lead telluride.
Pashinkin AS, et al.
Inorganic Materials, 45(11), 1226-1229 (2009)
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
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