TlInS2

semiconductor
· TlInS2

TlInS2 is a ternary semiconductor compound belonging to the thallium-indium chalcogenide family, combining elements from Groups IIIA and VIA of the periodic table. This material is primarily of research interest for optoelectronic and photonic device development, where its layered crystal structure and tunable bandgap make it a candidate for infrared detectors, photovoltaic absorbers, and nonlinear optical applications. Engineers and researchers exploring TlInS2 typically do so in experimental contexts where direct-bandgap semiconductors with anisotropic optical properties or two-dimensional material potential are advantageous over conventional silicon or III-V compounds.

infrared photodetectorsexperimental optoelectronicslayered semiconductor researchnonlinear optical devicesthin-film photovoltaics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
46.64
GPa
51.07
GPa
Exfoliation Energy(Eexf)
113.2
meV/atom
Poisson's Ratio(ν)
0.3000
-
Shear Modulus(G)2 entries
22.32
GPa
24.72
GPa
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.483
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
2.300
eV
0.7340
eV
Dielectric Constant (Relative Permittivity)(εr)2 entries
45.63
-
49.72
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-141.3
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000400
eV/atom
Formation Energy(ΔHf)
-0.6071
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.