Bi2Se2S

ceramic

· JVASP-143208· Bi2Se2S

Bi2Se2S is a bismuth-based mixed chalcogenide ceramic compound combining selenium and sulfur anions with bismuth cations. This material belongs to the family of layered chalcogenides and is primarily investigated in materials research for its potential thermoelectric and optoelectronic properties, rather than as an established engineering commodity. The material's mixed anionic composition makes it a candidate for solid-state energy conversion and sensing applications where bismuth chalcogenides offer advantages over single-chalcogenide alternatives due to tunable bandgap and enhanced figure-of-merit characteristics.

thermoelectric devicesoptoelectronic researchsolid-state energy conversionsemiconductor researchphotovoltaic studiesthermal management systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.315	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9420	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01050	eV/atom	—
Formation Energy(ΔHf)	-0.4057	eV/atom	—

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

Regulatory Screening

Environmental

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.

Bi2Se2S

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental