W2 O4 — Properties & Data | MatWorld

W2 O4

semiconductor

· W2 O4

W2O4 is a tungsten oxide compound belonging to the family of transition metal oxides, which exhibit semiconductor behavior with potential applications in electronic and photocatalytic devices. This material is primarily of research interest rather than established industrial production, being investigated for its electrochemical properties and potential use in energy storage and environmental remediation applications. Tungsten oxides are notable for their tunable electronic properties and stability compared to some oxide alternatives, making them candidates for next-generation sensing and catalytic technologies.

photocatalytic water treatmentgas sensing deviceselectrochemical energy storageresearch semiconductorsenvironmental remediationoptical coatings (experimental)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00270	eV	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3160	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

W2 O4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control