CdCu2SnSe4 is a quaternary chalcogenide semiconductor compound combining cadmium, copper, tin, and selenium—a member of the I-II-IV-VI semiconductor family with potential for photovoltaic and thermoelectric applications. This material is primarily of research interest rather than established industrial production; it is investigated for thin-film solar cells and intermediate-band photovoltaic devices due to its tunable bandgap and mixed-valence structure. The copper-tin-selenium framework offers potential advantages over simpler binary or ternary semiconductors in tailoring optical and thermal transport properties for next-generation energy conversion devices, though commercialization remains limited compared to established CdTe or CIGS photovoltaic absorbers.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 55.28 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3500 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 20.79 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.544 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 0.9600 | eV | Measured | ||
| ↳ | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.3500 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 565.4 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 13.96 | - | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 1.754 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00109 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000868 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -110.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 152.1 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 7.620 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02210 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.3586 | 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