Se2 Tl1 Bi1

semiconductor

· Se2 Tl1 Bi1

Se₂TlBi is a ternary semiconductor compound combining selenium, thallium, and bismuth—elements known for narrow bandgap and thermoelectric properties. This is a research-phase material rather than a commercial alloy; compounds in this family are investigated for infrared detection, narrow-bandgap optoelectronics, and thermoelectric energy conversion where the interplay of heavy elements and chalcogen chemistry offers potential for tuning electronic structure and thermal transport. Engineers would explore this material when conventional binary or ternary semiconductors (like InSb or PbTe) do not meet specific requirements for bandgap energy, carrier mobility, or thermal conductivity in specialized sensing or energy-conversion applications.

infrared detectors and sensorsthermoelectric devicesnarrow-bandgap optoelectronicsmaterials research and developmentexperimental semiconductor compoundsmid-IR photonics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	40.17	GPa	—
Shear Modulus(G)	24.78	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1684	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4710	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.

Se2 Tl1 Bi1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control