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Molybdenum(IV) selenide

Product Name
Molybdenum(IV) selenide
CAS No.
12058-18-3
Chemical Name
Molybdenum(IV) selenide
Synonyms
Nsc378344;MoSe2 Crystal;Molydenum selenide;Molybdaendiselenid;MOLYBDENUM SELENIDE;DISELENOXOMOLYBDENUM;molybdenum diselenide;MOLYBDENUM (IV) SELENIDE;bis(selanylidene)molybdenum;Molybdenum selenide (MoSe2)
CBNumber
CB2101237
Molecular Formula
MoSe2
Formula Weight
253.89
MOL File
12058-18-3.mol
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Molybdenum(IV) selenide Property

Melting point:
>1200°C
Density 
6.9 g/cm3
form 
Powder
Specific Gravity
6
color 
Dark gray
Water Solubility 
Insoluble in water.
Exposure limits
ACGIH: TWA 10 mg/m3; TWA 3 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 5000 mg/m3; IDLH 1 mg/m3; TWA 0.2 mg/m3
CAS DataBase Reference
12058-18-3
EPA Substance Registry System
Molybdenum selenide (MoSe2) (12058-18-3)
Bandgap
1.41 - 1.58 eV
Electronic properties
2D semiconductor
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Safety

Hazard Codes 
T,N
Risk Statements 
23/25-33-50/53
Safety Statements 
20/21-28-45-60-61
RIDADR 
UN3283
WGK Germany 
3
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H373May cause damage to organs through prolonged or repeated exposure

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P314Get medical advice/attention if you feel unwell.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
778087
Product name
Molybdenum(IV) selenide
Purity
-325 mesh, 99.9% trace metals basis
Packaging
5g
Price
$101
Updated
2024/03/01
Sigma-Aldrich
Product number
808660
Product name
Molybdenum diselenide
Purity
Crystal, 99.995%
Packaging
1ea
Price
$1270
Updated
2023/06/20
Alfa Aesar
Product number
013112
Product name
Molybdenum(IV) selenide, 99.9% (metals basis)
Packaging
5g
Price
$82.65
Updated
2024/03/01
Alfa Aesar
Product number
013112
Product name
Molybdenum(IV) selenide, 99.9% (metals basis)
Packaging
25g
Price
$301
Updated
2023/06/20
Strem Chemicals
Product number
93-4211
Product name
Molybdenum(IV) selenide (99.9%-Mo)
Packaging
5g
Price
$83
Updated
2024/03/01
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Molybdenum(IV) selenide Chemical Properties,Usage,Production

Description

Molybdenum(IV) selenide, also known as molybdenum diselenide, is an inorganic compound with the chemical formula MoSe2. It belongs to a group of compounds called transition metal disulfides (TMDCs), which are formed by combining a transition metal with an element from group 16 on the periodic table. MoSe2 has higher electrical conductivity than MoS2.

Chemical Properties

gray powder(s); used as a solid lubricant and lubricant film prepared by sputtering 99.9% pure material [HAW93] [STR93] [CER91]

Physical properties

The monolayer film of molybdenum diselenide, with a direct optical band gap of 1.48 eV and a photoluminescence peak at 840 nm, is highly suitable for optoelectronic applications. Moreover, when compared to MoS2, MoSe2 ultrathin films demonstrate a narrower bandgap, higher optical absorbance, and larger spin-splitting energy. These characteristics make MoSe2 films potentially superior to MoS2 for the utilization in tunnel FETs and optoelectronic devices.

Uses

Molybdenum chalcogenide thin film transitors for solar cells are a rapidly expanding area of research and molybdenum selenide compounds play an important role in this research. The layered nature of MoSe2 gives rise to several interesting applications such as field effect transistors ; piezoelectrics and substrates for self assembly

Definition

Available as a 40-micron powder.

Preparation

Mo and Se were mixed at a molar ratio of 1:2, and molybdenum and selenium reacted at a temperature of 800 to 1150°C to form mainly molybdenum diselenide(MoSe2). High-quality monolayer films of molybdenum diselenide were successfully grown directly on SiO2/Si substrates using the chemical vapor deposition (CVD) method.

Synthesis

Chemical exfoliation, utilizing N-methyl pyrrolidone (NMP) as a solvent, allows for the large-scale production of nano-particles and nano-sheets. This method enables the direct preparation of molybdenum diselenide (MoSe2) quantum dots from bulk powder of molybdenum diselenide.?

Molybdenum(IV) selenide Preparation Products And Raw materials

Raw materials

Preparation Products

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Molybdenum(IV) selenide Suppliers

China 74 Germany 2 India 2 Japan 1 United Kingdom 5 United States 13 Global 97
J & K SCIENTIFIC LTD.
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View Lastest Price from Molybdenum(IV) selenide manufacturers

Career Henan Chemical Co
Product
MOLYBDENUM SELENIDE 12058-18-3
Price
US $1.00/g
Min. Order
50 g
Purity
99.9%
Supply Ability
20kg
Release date
2018-12-18

12058-18-3, Molybdenum(IV) selenideRelated Search:

Molybdenum disulfide FERROUS SULFATE Selenium Lead dioxide INDIUM SELENIDE GALLIUM SELENIDE Bismuth selenide LEAD SESQUIOXIDE ANTIMONY(III) IODIDE Gallium arsenide INDIUM TELLURIDE INDIUM(I) IODIDE Diantimony trioxide INDIUM(I) CHLORIDE LEAD TELLURIDE Zinc sulfide Nickel sulfide Gallium(III) oxide

  • MOLYBDENUM SELENIDE
  • MOLYBDENUM (IV) SELENIDE
  • molybdenum diselenide
  • Molybdenum(IV)selenide(99.9%-Mo)
  • MOLYBDENUM(IV) SELENIDE: 99.9%
  • Molybdenum(IV) selenide, 99.9% (metals basis)
  • Molydenum selenide
  • Nsc378344
  • Molybdenum(IV) selenide -325 mesh, 99.9% trace metals basis
  • Molybdenum diselenide Crystal, 99.995%
  • Molybdenum(IV) selenide, 99.9% trace metals basis
  • (metals basis) Molybdenum(IV) selenide
  • bis(selanylidene)molybdenum
  • Molybdenum(IV) selenide(MoSe2)
  • IV) 99.9% metel basisMolybdenum selenide
  • Molybdaendiselenid
  • DISELENOXOMOLYBDENUM
  • MOLYBDENUM SELENIDE ISO 9001：2015 REACH
  • MoSe2 Crystal
  • Molybdenum Diselenide (MoSe2) Crystal
  • Molybdenum Diselenide (MoSe2) Powder
  • Molybdenum Diselenide Monolayer Film
  • Molybdenum selenide (MoSe2)
  • Mechanically Exfoliated Monolayer MoSe2 on Substrates
  • 12058-18-3
  • MoSe2
  • metal chalcogenides