Co3 Se4

semiconductor

· Co3 Se4

Co3Se4 is a cobalt selenide semiconductor compound belonging to the metal chalcogenide family, notable for its layered crystal structure and tunable electronic properties. This material is primarily of research interest for emerging applications in photovoltaics, thermoelectric devices, and catalysis, where its narrow bandgap and mixed-valence cobalt sites offer advantages in energy conversion and catalytic activity compared to traditional semiconductors.

photovoltaic absorber layersthermoelectric energy conversionelectrocatalysis and water splittingthin-film electronicsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	104.4	GPa	—
Shear Modulus(G)	48.03	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00110	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2800	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.

Co3 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control