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95410

Sigma-Aldrich

Tungsten(VI) oxide

powder, puriss., 99.9%

Synonym(s):

Tungstic anhydride

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About This Item

Linear Formula:
WO3
CAS Number:
Molecular Weight:
231.84
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23

grade

puriss.

Quality Level

Assay

99.9%

form

powder

density

7.16 g/mL at 25 °C (lit.)

SMILES string

O=[W](=O)=O

InChI

1S/3O.W

InChI key

ZNOKGRXACCSDPY-UHFFFAOYSA-N

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General description

Tungsten(VI) oxide (WO3) is a semiconducting material with excellent electrochromic properties. It is a cost efficient material with a high optical modulation. It can be synthesized by a variety of methods which include chemical vapor deposition, electrodeposition, and other sol-gel based coating processes.

Application

WO3 can be used for a wide range of applications such as electrochemical devices, photocatalysis, biological sensors, and other display devices.

Caution

may contain dark blue particles.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Two-dimensional amorphous heterostructures of Ag/a-WO3-x for high-efficiency photocatalytic performance
Ren Y, et al.
Applied Catalysis. B, Environmental, 245, 648-655 (2019)
Low-firing thick-film piezoresistive sensors for medical instruments
Maeder T, et al.
Sensors and actuators A, Physical, 172(1), 228-232 (2011)
Wenshuo Xu et al.
Small (Weinheim an der Bergstrasse, Germany), 16(3), e1905985-e1905985 (2019-12-20)
2D semiconducting transition metal dichalcogenides (TMDs) are endowed with fascinating optical properties especially in their monolayer limit. Insulating hBN films possessing customizable thickness can act as a separation barrier to dictate the interactions between TMDs. In this work, vertical layered
Jun Chen et al.
Small (Weinheim an der Bergstrasse, Germany), 15(42), e1902590-e1902590 (2019-08-27)
It is shown that tilt grain boundaries (GBs) in bilayer 2D crystals of the transition metal dichalcogenide WS2 can be atomically sharp, where top and bottom layer GBs are located within sub-nanometer distances of each other. This expands the current
Building of peculiar heterostructure of Ag/two-dimensional fullerene shell-WO3-x for enhanced photoelectrochemical performance
Ren Y, et al.
Applied Catalysis. B, Environmental, 231, 381-390 (2018)

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