Cu2 Zn1 Ge1 Se4
semiconductor· Cu2 Zn1 Ge1 Se4
Cu₂ZnGeSe₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining copper, zinc, germanium, and selenium in a stoichiometric ratio. This material is primarily of research and development interest for photovoltaic and optoelectronic applications, where its direct bandgap and favorable absorption characteristics position it as a potential absorber layer for thin-film solar cells and light-emitting devices. Engineers would consider this compound as an alternative to established absorbers like CIGS (copper indium gallium selenide) when seeking lower-toxicity, earth-abundant elemental substitutes or when tuning electronic properties for specific wavelength ranges.
photovoltaic absorber layersthin-film solar cellsoptoelectronic devicesinfrared detectorsresearch semiconductors
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.