Cu2GeS4
metal· JVASP-17257· Cu2GeS4
Cu₂GeS₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining copper, germanium, and sulfur in a crystalline structure. This material is primarily of research and development interest rather than established commercial use, investigated for its potential in photovoltaic devices, thermoelectric applications, and optoelectronic components due to its tunable bandgap and semiconducting properties. Engineers and materials scientists explore Cu₂GeS₄ as an alternative to conventional semiconductors in niche applications where earth-abundant and less-toxic constituent elements offer advantages over traditional compound semiconductors.
photovoltaic researchthermoelectric devicesoptoelectronic componentsthin-film semiconductorsmaterials research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1434 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -0.7567 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.07830 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2686 | 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.