W4 Se2 S6
semiconductor· W4 Se2 S6
W₄Se₂S₆ is a mixed-chalcogenide semiconductor compound combining tungsten with selenium and sulfur, representing a layered transition metal dichalcogenide (TMD) variant. This material is primarily of research interest rather than established industrial production, investigated for its electronic and photonic properties in nanoelectronic and optoelectronic device platforms. Compared to single-chalcogenide TMDs like MoS₂ or WS₂, the dual-chalcogenide composition offers tunable bandgap and altered electronic band structure, making it potentially valuable for next-generation thin-film transistors, photodetectors, and energy conversion applications where chalcogenide engineering is critical.
thin-film transistors (experimental)photodetectors and photodiodesenergy conversion and photovoltaics (research phase)nanoelectronic device engineering2D materials researchoptoelectronic prototyping
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.