Co4 O4 F4

semiconductor

· Co4 O4 F4

Co₄O₄F₄ is a mixed-valence cobalt oxide fluoride compound belonging to the class of transition metal oxyfluorides, which are semiconducting materials of primary research interest rather than established commercial products. This material family is being explored for electrochemical energy storage, catalysis, and advanced electronic applications due to the combination of redox-active cobalt centers and fluorine's electronegative influence on electronic structure. The oxyfluoride composition offers potential advantages in tailoring bandgap and ionic conductivity compared to purely oxide or halide analogs, making it relevant to researchers developing next-generation battery materials, oxygen evolution catalysts, and solid-state electronic devices.

electrochemical energy storage (batteries/supercapacitors)oxygen evolution catalysiswater splitting catalystssolid-state electronics researchmixed-valence semiconductor compoundsexperimental/developmental materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00840	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.446	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 O4 F4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control