Cu2 W1 Se4
semiconductor· Cu2 W1 Se4
Cu₂W₁Se₄ is a quaternary semiconductor compound combining copper, tungsten, and selenium in a layered crystal structure. This material belongs to the family of transition metal chalcogenides and is primarily of research and development interest for optoelectronic and photovoltaic applications. Its notable features include tunable bandgap properties and potential for high charge carrier mobility, making it a candidate for next-generation thin-film solar cells, photodetectors, and integrated photonic devices where conventional semiconductors face cost or performance limitations.
thin-film photovoltaicsphotodetectorsoptoelectronic devicesresearch semiconductorsphotocatalysisintegrated photonics
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.