Se2 Te1 Bi2

semiconductor

· Se2 Te1 Bi2

Se₂Te₁Bi₂ is a quaternary chalcogenide semiconductor compound combining selenium, tellurium, and bismuth—elements commonly explored for thermoelectric and narrow-bandgap semiconductor applications. This material belongs to the family of bismuth chalcogenides, which are primarily investigated in research contexts for their potential in thermoelectric energy conversion and infrared optoelectronics, where the combination of these heavy elements can produce favorable charge carrier mobility and phonon-scattering properties. The specific composition represents an experimental phase that would appeal to researchers exploring alternatives to conventional Bi₂Te₃-based thermoelectrics or developing materials for specialized infrared detectors and narrow-bandgap devices.

thermoelectric devices (research phase)infrared detectorsnarrow-bandgap semiconductorsthermal energy harvestingmaterials research and characterizationbismuth chalcogenide platforms

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,074.7	ksi	—
Shear Modulus(G)	3,204.3	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.04410	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3190	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 Te1 Bi2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control