Tl2 Sb2 S4

semiconductor

· Tl2 Sb2 S4

Tl₂Sb₂S₄ is a ternary chalcogenide semiconductor compound containing thallium, antimony, and sulfur—a member of the layered metal chalcogenide family with potential for optoelectronic and photovoltaic applications. This material remains largely in the research phase, studied primarily for its semiconducting properties and potential use in next-generation solar cells, infrared detectors, and thermoelectric devices where layered chalcogenides offer tunable band gaps and anisotropic transport. Engineers investigating alternative absorber materials beyond conventional perovskites or CdTe may consider it for exploratory device development, though industrial maturity and scalability remain limited compared to established semiconductor platforms.

experimental photovoltaic absorbersinfrared photodetectorsthermoelectric research deviceslayered semiconductor physicsnext-generation solar cellsoptoelectronic prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,538.9	ksi	—
Shear Modulus(G)	1,641.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.096	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3930	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 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control