ZnCu₂SnSe₄ is a quaternary semiconductor compound belonging to the chalcogenide family, featuring a tetrahedrally coordinated crystal structure similar to diamond-cubic lattices. This material is primarily investigated in photovoltaic and thermoelectric research contexts, where its tunable band gap and reasonable thermal and mechanical stability make it a candidate for thin-film solar cells and waste-heat energy conversion devices. While not yet commercialized at scale, compounds in this family are valued as alternatives to toxic lead halides and rare-earth-dependent semiconductors, offering potential for earth-abundant, sustainable optoelectronic applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 59.04 | GPa | — | ||
Poisson's Ratio(ν) | 0.3300 | - | — | ||
Shear Modulus(G) | 25.05 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.482 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.440 | eV | — | ||
| ↳ | 0.02800 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 26.06 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.5471 | C/m² | — | ||
Seebeck Coefficient(S) | -77.44 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01940 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3911 | eV/atom | — |