Bi0.2Te0.3Pb0.9Se0.9

semiconductor

· Bi0.2Te0.3Pb0.9Se0.9

Bi0.2Te0.3Pb0.9Se0.9 is a quaternary chalcogenide semiconductor compound combining bismuth, tellurium, lead, and selenium in a layered crystal structure. This material is primarily investigated in thermoelectric and optoelectronic research applications, where the multi-component composition offers tunable band gap and carrier properties compared to binary or ternary alternatives like PbTe or Bi2Te3. Engineers and researchers select this compound family to optimize the balance between electrical conductivity and thermal properties, or to achieve specific wavelength responses in infrared devices and photovoltaic systems.

thermoelectric power generationinfrared detectorstopological materials researchsolid-state coolingphotovoltaic devicesmaterial band gap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2500	eV	—

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.

Bi0.2Te0.3Pb0.9Se0.9

Electrical Properties

Regulatory Screening

Environmental

Export Control