W1 O2

semiconductor

· W1 O2

W1O2 is a tungsten oxide semiconductor compound with a stoichiometric ratio of one tungsten to two oxygen atoms, representing a sub-oxide phase within the tungsten oxide family. This material is primarily of research interest for photoelectrochemical applications, gas sensing, and catalysis, where its electronic properties and surface reactivity offer advantages in energy conversion and environmental monitoring systems. The material's performance characteristics make it particularly relevant for developers working on next-generation electrochemical devices and photocatalytic systems seeking alternatives to conventional tungsten trioxide and other transition metal oxides.

photoelectrochemical water splittinggas sensing systemscatalytic applicationsresearch-phase semiconductorstungsten oxide electronicsenergy conversion devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	14,769.6	ksi	DFT · OptB88vdW
Shear Modulus(G)	2,021.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000600	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.682	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.

W1 O2 — Properties & Data | MatWorld

W1 O2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control