Tl2 Sb2 Se4

semiconductor

· Tl2 Sb2 Se4

Tl₂Sb₂Se₄ is a layered quaternary chalcogenide semiconductor composed of thallium, antimony, and selenium. This material belongs to the family of van der Waals solids and is primarily studied in research contexts for its potential in thermoelectric and optoelectronic applications, where its layered crystal structure and narrow bandgap can enable efficient energy conversion or light interaction at infrared wavelengths.

thermoelectric devicesinfrared detectorsresearch semiconductorslayered chalcogenide materialslow-dimensional electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00130	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.3600	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.

Tl2 Sb2 Se4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control