Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

Safety Information

401080

Sigma-Aldrich

Bismuth(III) selenide

greener alternative

Synonym(s):

Bismuth selenide

Sign Into View Organizational & Contract Pricing
All Photos(3)

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:
24864986
NACRES:
NA.23

form

solid

greener alternative product characteristics

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

sustainability

Greener Alternative Product

density

6.82 g/mL at 25 °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(III) selenide (Bi2Se3) is a semiconducting thermoelectric material with a narrow band gap. It forms thin films by different techniques, which include solution growth, electrodeposition and molecular jet method. It acts as a topological insulator based saturable absorber.
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 is a metal selenide, which can be used for a variety of applications such as solar cells, light emitting diodes (LEDs), and superionic conductor. Its optical properties include a high absorption coefficient larger than 104 cm-1 and a band gap of 0.35 eV.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

PDSCL

Poisonous substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

401080-BULK:
401080-25G:4548173144405
401080-5G:4548173144412
401080-VAR:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCK5540
MKCK5549
MKCD6956
MKCB0281V
MKCB0155V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Electrodeposition and characterization of copper bismuth selenide semiconductor thin films
Li J, et al.
Electrochimica Acta, 87(1-2), 153-157 (2013)
Optical and thermal band gap energy of chemically deposited bismuth (III) selenide thin films
Pejova B, et al.
Materials Chemistry and Physics, 83(2-3), 245-249 (2004)
Chemical deposition and characterization of glassy bismuth (III) selenide thin films
Pejova B and Grozdanov I
Thin Solid Films, 408(1-2), 6-10 (2002)
Q-switched ytterbium-doped fiber laser with topological insulator-based saturable absorber
Al-Masoodi AHH, et al.
Optical Engineering, 56(5), 056103-056103 (2017)

Articles

Materials for Advanced Thermoelectrics

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

Silicides: Promising Thermoelectrics

Higher transition metal silicides are ideal for anisotropic thermoelectric conversion due to their Seebeck coefficient anisotropy and mechanical properties.

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

Contact Technical Service