Co8 As8 Se8

semiconductor

· Co8 As8 Se8

Co8As8Se8 is a ternary chalcogenide semiconductor compound combining cobalt, arsenic, and selenium in equimolar proportions. This is an experimental research material belonging to the broader family of metal chalcogenides, which are studied for their tunable electronic and optical properties. The material remains primarily in the research phase, with potential applications in thermoelectric energy conversion, photovoltaic devices, or infrared optics where the specific band gap and phonon properties of this composition may offer advantages over binary or more common ternary variants.

thermoelectric devices (research phase)narrow-gap semiconductorsinfrared opticsphotovoltaic researchsolid-state physics studieschalcogenide material systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01250	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3720	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.

Co8 As8 Se8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control