Tl2Te3 — Properties & Data | MatWorld

Tl2Te3

Name: Tl2Te3
Brand: MatWorld

semiconductor

· Tl2Te3

Tl₂Te₃ is a binary semiconductor compound composed of thallium and tellurium, belonging to the chalcogenide family of materials. This material is primarily of research and development interest rather than established in high-volume production, with investigation focused on thermoelectric applications and narrow-bandgap semiconductor behavior. Tl₂Te₃ and related thallium tellurides are explored for their potential in thermoelectric energy conversion, infrared detection, and solid-state cooling devices where the combination of low thermal conductivity and electronic transport properties may offer advantages over conventional semiconductors; however, toxicity concerns and material stability challenges have limited broader industrial adoption compared to alternatives like bismuth telluride or lead telluride systems.

thermoelectric devicesinfrared detectorsresearch semiconductorssolid-state coolingnarrow-bandgap applicationsmaterials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	24.49	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	9.950	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.658	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5930	eV	DFT · OptB88vdW
↳	0.6900	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)	22.46	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.2767	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.6533	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00272	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00325	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-173.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	286.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01490	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1945	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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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.

Tl2Te3

Mechanical Properties

Physical Properties

Electrical Properties

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