K2 Cu2 Se2
semiconductor· K2 Cu2 Se2
K₂Cu₂Se₂ is an experimental semiconducting compound combining potassium, copper, and selenium elements, belonging to the family of multinary chalcogenide semiconductors. This material is primarily investigated in research settings for photovoltaic and thermoelectric applications, where its layered structure and electronic properties offer potential advantages in energy conversion devices. As a relatively unexplored compound, it represents an emerging candidate in the search for earth-abundant alternatives to conventional semiconductor materials, though practical industrial adoption remains limited and further development is needed.
photovoltaic researchthermoelectric devicesthin-film solar cellsmaterials researchsemiconductor developmentenergy conversion
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
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.