CdCu2GeSe4 is a quaternary semiconductor compound belonging to the chalcogenide family, combining cadmium, copper, germanium, and selenium in a structured lattice. This material is primarily of research and developmental interest for optoelectronic and photovoltaic applications, where its tunable bandgap and potential for efficient light absorption make it a candidate for next-generation solar cells and infrared detectors. While not yet commercially widespread, quaternary chalcogenides like this compound are investigated as alternatives to traditional silicon and CIGS solar technologies, offering potential advantages in cost, flexibility, and spectral response optimization.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 58.63 | GPa | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 23.36 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.485 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.200 | eV | — | ||
| ↳ | 0.2840 range 0.000–0.5680median of 2 measurements | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 1,160.7 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.4817 | C/m² | — | ||
Seebeck Coefficient(S) | -98.92 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00800 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3296 | eV/atom | — |