Cu2 W1 S4

semiconductor

· Cu2 W1 S4

Cu₂WS₄ is a ternary chalcogenide semiconductor compound combining copper, tungsten, and sulfur in a layered crystalline structure. This material belongs to the family of transition metal dichalcogenides and related compounds, making it a subject of active research for optoelectronic and energy conversion applications where band gap engineering and mixed-metal compositions offer tunable electronic properties.

photovoltaic researchthermoelectric devicesphotodetectorsenergy conversion2D materials researchsemiconductor optics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,186	ksi	—
Shear Modulus(G)	3,297.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9011	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5020	eV/atom	—

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

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.

Cu2 W1 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control