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733504

Sigma-Aldrich

Bismuth selenide

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granular (melted), ≥99.995% trace metals basis

Synonym(s):

Dibismuth triselenide

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About This Item

Empirical Formula (Hill Notation):
Bi2Se3
CAS Number:
12068-69-8
Molecular Weight:
654.84
EC Number:
235-104-7
MDL number:
MFCD00014200
UNSPSC Code:
12352300
PubChem Substance ID:
329764823
NACRES:
NA.23

Assay

≥99.995% trace metals basis

form

granular (melted)

greener alternative product characteristics

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

sustainability

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mp

710 °C (lit.)

greener alternative category

, Enabling

SMILES string

[Se]=[Bi][Se][Bi]=[Se]

InChI

1S/2Bi.3Se

InChI key

OMEPJWROJCQMMU-UHFFFAOYSA-N

General description

Bismuth selenide (Bi2Se3), a thermoelectric material that acts as a topological insulator, exhibits helical spin polarization and strong spin-orbit coupling.
Bismuth selenide is a semiconductor thermoelectric material.
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

Bi2Se3 can be used in the formation of nanocomposites for antitumor thermo-chemotherapy and imaging. It can also be used in the fabrication of electronic devices such as field effect transistors (FETs) and photodetectors.

Signal Word

Danger

Hazard Statements

H301 + H331,H373,H410

Hazard Classifications

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

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Sabo, Ye. P.
Journal of Thermoelectricity, 1, 55-55 (2004)
Observation of inverse spin Hall effect in bismuth selenide
Deorani P, et al.
Physical Review. B, Condensed Matter and Materials Physics, 90(9), 094403-094403 (2014)
Multifunctional bismuth selenide nanocomposites for antitumor thermo-chemotherapy and imaging
Li Z, et al.
ACS Nano, 10(1), 984-997 (2016)
Insulating behavior in ultrathin bismuth selenide field effect transistors
Cho S, et al.
Nano Letters, 11(5), 1925-1927 (2011)
Topological insulators: Oscillations in the ribbons.
Thomas Ihn
Nature materials, 9(3), 187-188 (2010-02-20)

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