Tl2TeI6

Name: Tl2TeI6
Brand: MatWorld

semiconductor

· Tl2TeI6

Tl2TeI6 is a mixed-halide semiconductor compound composed of thallium, tellurium, and iodine, belonging to the family of perovskite-related and halide-based semiconductors under active research. This material is primarily investigated for optoelectronic and photovoltaic applications where its bandgap and light-absorption properties are relevant; however, it remains largely an experimental compound rather than an established industrial material. Engineers considering this compound should recognize it as an advanced materials research candidate where the combination of heavy metal halides offers potential for radiation detection, thin-film photovoltaics, or scintillation applications—though stability, toxicity, and manufacturability remain open challenges compared to conventional semiconductors.

emerging photovoltaicshalide semiconductor researchradiation detection (experimental)optoelectronic devices (lab-scale)thin-film absorbers (research phase)perovskite alternatives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2119	lb/in³	DFT · OptB88vdW

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Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.470	eV	Measured
↳	1.472	eV	DFT · OptB88vdW
↳	1.908	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.464	-	DFT · OptB88vdW
↳	8.695	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00121	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000440	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-234.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	330.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	24.98	%	DFT · TBmBJ

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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3914	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.

Tl2TeI6 — Properties & Data | MatWorld

Tl2TeI6

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