K2 Co2 O4

semiconductor

· K2 Co2 O4

K₂Co₂O₄ is a cobalt oxide compound with potassium in the crystal structure, belonging to the family of mixed-metal oxides and currently primarily a research material rather than an established commercial semiconductor. This compound is under investigation for potential applications in catalysis, energy storage, and electronic devices, where layered cobalt oxides are of interest for their mixed-valence cobalt chemistry and tunable electronic properties. The material represents an emerging area of solid-state chemistry rather than a mature engineering material, making it relevant primarily to research teams exploring advanced oxides and device prototyping rather than production-scale applications.

experimental semiconductor researchcatalytic material developmentsolid-state electrochemistrymixed-metal oxide studiesenergy storage device prototypingmaterials research & academia

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00720	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.334	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.

K2 Co2 O4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control