Te2MoW2Se2S2 is a complex multinary chalcogenide compound containing tellurium, molybdenum, tungsten, selenium, and sulfur—a research-phase material belonging to the layered transition metal dichalcogenide family. This composition combines multiple transition metals with different chalcogen elements, a strategy used to engineer electronic and optical properties for next-generation semiconductor and energy applications. The material is primarily of academic interest for exploring how compositional mixing affects band structure, charge transport, and catalytic activity, with potential relevance to photovoltaics, electrocatalysis, and thermoelectric devices.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 290.0 | MPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.1400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 140.0 | MPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.410 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.2290 | eV | DFT · OptB88vdW | ||
| ↳ | 0.1900 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 14.90 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 16.05 | - | DFT · OptB88vdW | ||
| ↳ | 14.41 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.03333 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.03333 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.00400 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.01740 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000108 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00140 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -91.80 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 184.4 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 5.840 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1901 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.4754 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data