Mo2WSe4S2 is a mixed-metal chalcogenide compound combining molybdenum, tungsten, selenium, and sulfur—a synthetic material that belongs to the family of layered transition metal dichalcogenides (TMDs) and their mixed-composition variants. This is primarily a research-phase material rather than an established commercial alloy; it is investigated for applications requiring semiconducting or catalytic properties that benefit from the synergistic combination of multiple transition metals in a chalcogenide framework. Engineering interest in such compounds centers on catalytic activity (particularly for hydrogen evolution and other electrochemical reactions), energy storage, and potential optoelectronic applications where the layered structure and multi-element composition provide tunable electronic properties unavailable in single-metal dichalcogenides.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 62.79 | GPa | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 43.45 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.933 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.5740 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 16.61 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.2361 | C/m² | — | ||
Seebeck Coefficient(S) | -314.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.08160 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.7143 | eV/atom | — |