Te2W3Se2S2

metal
· JVASP-28570· Te2W3Se2S2

Te2W3Se2S2 is an experimental transition metal chalcogenide compound combining tungsten with tellurium, selenium, and sulfur—a mixed-anion system that remains primarily in research phase rather than established commercial production. This material family is investigated for potential applications in thermoelectric energy conversion, solid-state electronics, and photovoltaic devices, where the layered chalcogenide structure and electronic band structure may offer advantages in charge transport or thermal management. Engineers would consider this compound for niche high-performance applications where conventional alloys or semiconductors are insufficient, though availability, scalability, and reliability data remain limited compared to mature alternatives.

thermoelectric devicessemiconductor researchphotovoltaic materialssolid-state electronicsadvanced materials development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
58.77
GPa—
Poisson's Ratio(ν)
0.02000
-—
Shear Modulus(G)
5.440
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
8.486
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.3310
eV—
Dielectric Constant (Relative Permittivity)(εr)
11.67
-—
Magnetic Moment(μB)
0.00700
µB—
Piezoelectric Modulus(eij)
0.06802
C/m²—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.2233
eV/atom—
Formation Energy(ΔHf)
-0.4268
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.