Co2 Se2
semiconductor· Co2 Se2
Co₂Se₂ is a cobalt selenide compound belonging to the family of binary transition metal chalcogenides, which are semiconducting materials with layered crystal structures. This material is primarily of research and developmental interest for optoelectronic and energy conversion applications, where its direct bandgap and tunable electronic properties make it attractive for photovoltaic devices, photodetectors, and thermoelectric systems. Engineers consider cobalt selenides as alternatives to more mature semiconductors when seeking materials with enhanced light absorption, reduced toxicity compared to certain cadmium-based compounds, or integration into van der Waals heterostructure devices.
thin-film photovoltaicsphotodetectorsthermoelectric devicesoptoelectronic researchenergy conversion systems2D materials integration
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.