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Merck

808806

Tungsten disulfide

Crystal, 99.995%

Synonym(s):

Tungsten(IV) sulfide, Tungsten sulfide, Tungsten sulphide

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About This Item

Linear Formula:
WS2
CAS Number:
Molecular Weight:
247.97
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
235-243-3
MDL number:
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Quality Level

assay

99.995%

form

crystals

L × W × W

0.5 cm × 0.5 cm × 0.1-0.15 mm, typical size, some variation in dimensions may occur with different batches

density

7.5 g/mL at 25 °C (lit.)

SMILES string

S=[W]=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

Application

The two dimensional layered inorganic nanomaterials have drawn significant attention recently owing to their thickness dependent physical and chemical properties. They find applications in photocatalysis, phtotovoltaics, gas sensing, lithium ion batteries, field effect transistors, spintronics etc. Transition metal dischalcogenides represent an important class of inorganic 2D materials having the aforementioned applications.

Preparation Note

Store under nitrogen atmosphere.


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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable



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Articles

さまざまな分野における最近の2D材料の合成の進歩とバイオセンシング用途についてまとめられています。

無機2次元層状材料はエレクトロニクスやエネルギー分野で注目されており、デバイス応用へ向けた大規模合成法の開発が活発に行われています。特にグラフェン以外の半導体材料に重点を置いて、その合成法における最新の進歩について簡単に紹介します。

MXeneや窒化ホウ素、遷移金属カルコゲナイドをはじめとする2次元材料を、ナノプレートレット、インク、単層膜などの多様な形態で販売しております。

View All Articles

Exploration of Nanostructured Functional Materials Based on Hybridization of Inorganic 2D Nanosheets.
Gunjakar JL, et al.
The Journal of Physical Chemistry C, 118, 3847-3863 (2014)
Sheneve Z Butler et al.
ACS nano, 7(4), 2898-2926 (2013-03-08)
Graphene's success has shown that it is possible to create stable, single and few-atom-thick layers of van der Waals materials, and also that these materials can exhibit fascinating and technologically useful properties. Here we review the state-of-the-art of 2D materials
The super materials that could trump graphene.
Elizabeth Gibney
Nature, 522(7556), 274-276 (2015-06-19)