Co4 Se4 O12

semiconductor

· Co4 Se4 O12

Co₄Se₄O₁₂ is a mixed-valence cobalt selenate oxide semiconductor compound, belonging to the family of transition metal chalcogenides with potential applications in energy storage and catalysis. This material is primarily of research interest rather than established in high-volume industrial use; it represents the broader exploration of cobalt-selenium-oxygen systems for electrochemical devices and heterogeneous catalysis where the synergistic effects of multiple cations and anion types are leveraged to enhance performance.

Energy storage electrodesElectrocatalysisResearch semiconductorsBattery materialsOxygen evolution catalystsPhotoelectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00540	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8180	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.

Co4 Se4 O12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control