W3 Se2 S4
semiconductor· W3 Se2 S4
W3Se2S4 is a mixed-chalcogenide semiconductor compound combining tungsten with selenium and sulfur, representing an emerging class of layered transition metal dichalcogenides (TMDs) with tunable electronic properties. This material is primarily explored in research and early-stage development for optoelectronic and energy conversion applications, where its mixed-anion composition offers advantages over single-chalcogenide alternatives in band gap engineering and carrier mobility tuning. The incorporation of both selenium and sulfur enables researchers to customize material properties for specific device architectures without requiring complex doping strategies.
photovoltaic absorber layersphotoelectrochemical devicesthin-film transistorsoptoelectronic sensorsnext-generation solar cellsmaterials research platforms
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
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.