Co2 Ge4 O12

semiconductor

· Co2 Ge4 O12

Co₂Ge₄O₁₂ is a complex cobalt germanate ceramic compound belonging to the pyrogermanate family of oxidic semiconductors. This material is primarily of research and specialized interest rather than high-volume industrial production, investigated for its potential in optoelectronic and photocatalytic applications due to the band gap engineering enabled by its mixed-valence cobalt and germanium oxide framework. Its utility stems from tunable electronic properties arising from Co-Ge-O interactions, making it relevant to researchers exploring alternatives to conventional semiconductors in niche applications where thermal stability and chemical resistance are priorities.

photocatalysis and environmental remediationoptoelectronic research deviceshigh-temperature ceramic semiconductorssolid-state chemistry researchsensor materials developmentfunctional oxide materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8182	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.313	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 Ge4 O12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control