Mo3WSe4S4

metal
· JVASP-28637· Mo3WSe4S4

Mo3WSe4S4 is a mixed-metal chalcogenide compound combining molybdenum, tungsten, selenium, and sulfur—representing an emerging class of layered transition-metal dichalcogenides (TMDCs) and their heterostructured variants. This is primarily a research material under investigation for semiconducting and catalytic applications, rather than an established commercial material. Engineering interest centers on its potential for electrocatalysis, photoelectrochemical devices, and energy conversion systems, where the multi-metal composition may offer tuned electronic properties and enhanced active sites compared to single-metal chalcogenide alternatives.

hydrogen evolution catalystselectrochemical energy conversionphotoelectrochemical water splittingthin-film semiconductors2D materials researchbattery electrode materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
6.790
GPa
Poisson's Ratio(ν)
0.3100
-
Shear Modulus(G)
2.910
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
4.828
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.6760
eV
Dielectric Constant (Relative Permittivity)(εr)
12.42
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.07514
C/m²
Seebeck Coefficient(S)
-402.6
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.08850
eV/atom
Formation Energy(ΔHf)
-0.7520
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.