Tl4 Ag4 Se4

semiconductor

· Tl4 Ag4 Se4

Tl₄Ag₄Se₄ is a quaternary chalcogenide semiconductor compound combining thallium, silver, and selenium in a 1:1:1 stoichiometric ratio. This material belongs to the family of mixed-metal selenides and is primarily of research interest for its potential in thermoelectric and optoelectronic applications, where the combination of heavy and light metal cations can create favorable band structures and phonon-scattering mechanisms. Engineers and materials researchers investigate compounds like this to develop more efficient solid-state energy conversion devices and narrow-bandgap semiconductors for infrared detection and photovoltaic systems.

thermoelectric energy conversioninfrared photodetectorsexperimental semiconductorsnarrow-bandgap photovoltaicsresearch-phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6704	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2530	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 Ag4 Se4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control