Tl4 Sb4 S8

semiconductor

· Tl4 Sb4 S8

Tl₄Sb₄S₈ is a quaternary chalcogenide semiconductor compound belonging to the thallium-antimony-sulfur family, primarily of research and developmental interest rather than established industrial production. This material is being investigated for its potential in thermoelectric and optoelectronic applications, where its layered crystal structure and narrow bandgap could enable efficient thermal-to-electric energy conversion or infrared photon detection at moderate temperatures. While not yet widely deployed in commercial products, compounds in this family are attractive alternatives to conventional semiconductors where high anisotropy, tunable bandgap engineering, or tolerance to certain types of defects may provide advantages over standard silicon or III-V semiconductors.

thermoelectric energy harvestinginfrared detectorssolid-state researchnarrow-bandgap semiconductorsmaterials exploration for next-generation devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	24.21	GPa	—
Shear Modulus(G)	11.35	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.359	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4090	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.

Tl4 Sb4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control