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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	984.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	422.1	ksi	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1744	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5940	eV	DFT · OptB88vdW
↳	0.7710	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	12.42	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.52	-	DFT · OptB88vdW
↳	13.08	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.07514	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000202	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000526	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-402.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	161.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.81	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08850	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7520	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

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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.

Mo3WSe4S4 — Properties & Data | MatWorld

Mo3WSe4S4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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