PrTlSe2 — Properties & Data | MatWorld

PrTlSe2

Name: PrTlSe2
Brand: MatWorld

semiconductor

· PrTlSe2

PrTlSe2 is a ternary semiconductor compound composed of praseodymium, thallium, and selenium, belonging to the rare-earth chalcogenide family of materials. This is a research-phase compound with limited industrial deployment; it is primarily investigated in materials science for potential applications in infrared optics, thermoelectric devices, and solid-state electronics where rare-earth semiconductors offer unique electronic band structures and optical properties. The material's combination of a rare-earth element with heavy chalcogens positions it as a candidate for exploring novel properties in niche photonic and quantum applications, though alternative rare-earth or lead-based semiconductors currently dominate commercial markets.

infrared detectors and opticsthermoelectric energy conversionresearch semiconductorsphotonic materials developmentquantum device researchsolid-state electronics prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	40.28	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	24.57	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.669	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)3 entries	1.180	eV	Measured
↳	1.227	eV	DFT · OptB88vdW
↳	1.640	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	23.40	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.597	-	DFT · OptB88vdW
↳	7.193	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.113	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3033	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00331	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000618	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-295.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	97.81	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.38	%	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)	-1.423	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

Regulatory Screening

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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.

PrTlSe2

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