W4 Se8
semiconductor· W4 Se8
W4Se8 is a layered transition metal diselenide compound belonging to the family of two-dimensional semiconductors and van der Waals materials. This is primarily a research material studied for its potential in optoelectronic and electronic device applications, particularly in contexts where ultrathin or few-layer semiconductors offer advantages over conventional bulk materials. The compound's layered structure and tunable bandgap make it of interest for next-generation photovoltaic devices, photodetectors, and field-effect transistors, though it remains largely in the experimental phase without widespread commercial deployment.
2D semiconductor researchphotodetector devicesthin-film photovoltaicsfield-effect transistorsoptoelectronic devicesvan der Waals heterostructures
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| 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.