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 | — | ||
Poisson's Ratio(ν) | 0.3500 | - | — | ||
Shear Modulus(G) | 20.79 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.544 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.9600 | eV | — | ||
| ↳ | 0.1750 range 0.000–0.3500median of 2 measurements | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 565.4 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 1.754 | C/m² | — | ||
Seebeck Coefficient(S) | -110.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02210 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3586 | eV/atom | — |