Bi2 Se2

semiconductor
· Bi2 Se2

Bi₂Se₂ is a binary bismuth selenide compound belonging to the layered chalcogenide semiconductor family, characterized by a quasi-2D crystal structure similar to other bismuth chalcogenides. This material is primarily investigated in topological electronics research and thermoelectric applications, where its strong spin-orbit coupling and potential topological surface states make it attractive for next-generation devices requiring low-loss electron transport or efficient thermal-to-electrical energy conversion. While not yet widely deployed in mainstream commercial products, Bi₂Se₂ represents an emerging alternative to better-studied compounds like Bi₂Se₃, with particular interest in contexts where modified band structure or enhanced stability is needed.

topological electronics researchthermoelectric energy conversionquantum computing qubitslow-dimensional semiconductorsspintronics devicesexperimental materials development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
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.