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Safety Information

905992

Sigma-Aldrich

Tungsten (IV) diselenide

lithium intercalated

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About This Item

Empirical Formula (Hill Notation):
LiWSe2
CAS Number:
182482-86-6
Molecular Weight:
348.70
UNSPSC Code:
12352302
NACRES:
NA.23

form

solid

General description

Tungsten (IV) diselenide is a p-type 2D semiconducting transition metal dichalcogenide (TMD) with an energy bandgap of 1-2 eV. It can be used in the fabrication of optoelectronic devices.

Application

Tungsten (IV) diselenide can be used for a variety of applications such as fiber laser, heterojunction solar cells, and lithium batteries.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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

905992-1G:
905992-VAR:
905992-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCJ5505

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Controllable nondegenerate p-type doping of tungsten diselenide by octadecyltrichlorosilane
Kang D, et al.
ACS Nano, 9(2), 1099-1107 (2015)
Liquid-solid surface phase transformation of fluorinated fullerene on monolayer tungsten diselenide
Song Z, et al.
Physical Review. B, Condensed Matter and Materials Physics, 97(13), 134102-134102 (2018)
Tungsten diselenide Q-switched erbium-doped fiber laser
Chen B, et al.
Optical Engineering, 55(8), 081306-081306 (2016)
Potential application of multilayer n-type tungsten diselenide (WSe2) sheet as transparent conducting electrode in silicon heterojunction solar cell
Tiwari P, et al.
Computational Materials Science, 136(17), 102-108 (2017)
Exploration of Nanostructured Functional Materials Based on Hybridization of Inorganic 2D Nanosheets
Gunjakar J L, et al.
The Journal of Physical Chemistry C, 118 (8), 3847-3863 (2014)
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