TlInSe2 — Properties & Data | MatWorld

TlInSe2

Name: TlInSe2
Brand: MatWorld

semiconductor

· TlInSe2

TlInSe2 is a ternary semiconductor compound belonging to the I-III-VI2 family, combining thallium, indium, and selenium in a layered crystal structure. This material is primarily of research and developmental interest for optoelectronic and photonic applications, particularly where infrared sensitivity, nonlinear optical properties, or tunable bandgap characteristics are valuable; it remains largely experimental compared to more established semiconductors like GaAs or InP, but offers potential advantages in mid-infrared detection and frequency conversion applications where its specific electronic and optical properties align with device requirements.

infrared detectorsnonlinear optical devicesresearch semiconductorsphotonic crystalsoptoelectronics developmentfrequency conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,235.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	2,111.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2489	lb/in³	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	1.440	eV	Measured
↳	0.9730	eV	DFT · OptB88vdW
↳	1.547	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	51.14	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.12	-	DFT · OptB88vdW
↳	6.472	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5433	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8533	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	0.00264	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000961	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-187.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	154.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.73	%	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)	-0.5375	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.

TlInSe2

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