CdCu2GeSe4
semiconductor· CdCu2GeSe4
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.
experimental photovoltaic devicesinfrared detectorsoptoelectronic researchthin-film solar cellssemiconductor device developmentmaterials research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 8,503.6 | ksi | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 3,388.1 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1982 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| 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 | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00800 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3296 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.