Bi14 Te13 S8

semiconductor

· Bi14 Te13 S8

Bi₁₄Te₁₃S₈ is a complex quaternary semiconductor compound combining bismuth, tellurium, and sulfur elements, belonging to the chalcogenide semiconductor family. This material is primarily of research interest for thermoelectric and optoelectronic applications, where layered bismuth chalcogenides are explored for solid-state energy conversion and potential topological electronic properties. Its mixed anion composition (telluride-sulfide) offers a tunable band structure pathway compared to binary bismuth telluride or sulfide alternatives, making it relevant to emerging thermoelectric device development and fundamental semiconductor physics.

thermoelectric energy harvestingsemiconductor research compoundslow-temperature thermal managementoptoelectronic devices (research phase)topological material platforms

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2172	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3130	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.

Bi14 Te13 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control