Tl1 Bi1 S2
semiconductor· Tl1 Bi1 S2
TlBiS₂ is a layered ternary chalcogenide semiconductor composed of thallium, bismuth, and sulfur, belonging to the broader family of metal chalcogenides with potential for thermoelectric and optoelectronic applications. This compound is primarily of research and developmental interest rather than established industrial production, investigated for its electronic band structure and potential use in next-generation energy conversion and sensing devices. Engineers considering this material should recognize it as an exploratory candidate where fundamental material properties are still being characterized, rather than a mature engineering material with established supply chains or design standards.
thermoelectric devices (research)semiconductor optoelectronics (developmental)thin-film photovoltaics (experimental)infrared detectors (investigational)energy harvesting (early-stage research)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.