Tl1 Cu6 S4

semiconductor

· Tl1 Cu6 S4

Tl₁Cu₆S₄ is a ternary sulfide semiconductor compound combining thallium, copper, and sulfur elements. This material belongs to the family of metal chalcogenides and is primarily of research interest for its semiconducting properties and potential optoelectronic applications, rather than an established commercial material with widespread industrial adoption. Engineers and researchers investigate such compounds for photovoltaic devices, thermoelectric generators, and other energy conversion technologies where the unique electronic structure of mixed-metal sulfides offers tunable band gaps and charge transport characteristics.

experimental semiconductorsphotovoltaic researchthermoelectric deviceschalcogenide optoelectronicsenergy conversion materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	56.86	GPa	—
Shear Modulus(G)	14.25	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8529	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2230	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.

Tl1 Cu6 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control