Co2 Se4

semiconductor

· Co2 Se4

Co₂Se₄ is a cobalt selenide semiconductor compound belonging to the metal chalcogenide family, characterized by its layered crystal structure and semiconducting properties. This material is primarily of research and developmental interest for energy storage and conversion applications, particularly in battery electrodes and thermoelectric devices, where its tunable electronic properties and potential for high charge-carrier mobility make it an alternative to more conventional oxide or sulfide-based semiconductors. The selenide composition offers advantages in ionic conductivity and structural flexibility compared to oxide analogs, positioning it as a candidate material for next-generation energy applications, though commercial deployment remains limited.

battery electrode materialsthermoelectric devicessemiconductor researchenergy storage systemselectrochemical catalysisthin-film electronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	16,060.5	ksi	—
Shear Modulus(G)	8,093.1	ksi	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00310	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3160	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.

Co2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control