Tl2SnTe5

ceramic

· Tl2SnTe5

Tl₂SnTe₅ is a ternary chalcogenide ceramic compound composed of thallium, tin, and tellurium. This material belongs to the class of layered chalcogenide compounds, which are primarily investigated for thermoelectric and optoelectronic applications due to their narrow bandgaps and anisotropic crystal structures. While not yet commercialized at scale, Tl₂SnTe₅ represents an experimental compound within the broader family of telluride-based semiconductors that show promise for solid-state energy conversion and infrared photonics, where performance in extreme thermal environments and thermal isolation requirements drive material selection.

Thermoelectric energy conversion (research)Infrared optical devicesNarrow-gap semiconductorsThermal barrier coatings (exploratory)High-temperature electronics (experimental)Optoelectronic sensors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	2.941	BTU/(hr·ft·°F)	—
↳	2.941	BTU/(hr·ft·°F)	27°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2552	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.05800 range 0.000–0.1160median of 2 measurements	eV	—
Electrical Conductivity(σ)	238.1	S/cm	27°C
Electrical Resistivity(ρe)	0.0000420	Ω·m	27°C
Magnetic Moment(μB)	0.000	µB	—
Thermoelectric Power Factor(PF)	0.00114	W/(m·K²)	27°C
Seebeck Coefficient(S)	219	μV/K	27°C
Thermoelectric Figure of Merit(zT)	0.06730	-	27°C

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01190	eV/atom	—
Formation Energy(ΔHf)	-0.2004	eV/atom	—

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

Regulatory Screening

Environmental

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.

Tl2SnTe5

Thermal Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental