Co2 Se2 Tl1

semiconductor

· Co2 Se2 Tl1

Co₂Se₂Tl is a ternary semiconductor compound combining cobalt, selenium, and thallium elements. This is a research-phase material rather than a commercially established semiconductor; it belongs to the family of mixed-metal chalcogenides being investigated for potential optoelectronic and solid-state electronic applications. Such ternary compounds are of interest to materials researchers exploring alternatives to conventional semiconductors, particularly for niche applications requiring specific band gap engineering or coupling effects between different metal-chalcogen interactions, though practical device implementations remain limited and experimental.

research semiconductorsoptoelectronic device developmentthermoelectric materials (exploratory)infrared detectors (conceptual)band gap engineering studiessolid-state physics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,243.8	ksi	—
Shear Modulus(G)	2,249.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000200	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2190	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 Se2 Tl1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control