Bi8Te7S5

semiconductor

· Bi8Te7S5

Bi8Te7S5 is a mixed-anion semiconductor compound combining bismuth, tellurium, and sulfur elements, belonging to the family of chalcogenide semiconductors. This material is primarily of research interest for thermoelectric and optoelectronic applications, where its layered crystal structure and tunable bandgap may offer advantages in energy conversion or photonic device design. While not yet widely commercialized, chalcogenide semiconductors in this composition range are being explored as alternatives to conventional materials in niche high-performance applications.

thermoelectric energy conversionoptoelectronic devicessemiconductor researchnarrow-bandgap applicationsadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.4000	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.

Bi8Te7S5

Electrical Properties

Regulatory Screening

Environmental

Export Control