O20 Se4 Bi8

semiconductor

· O20 Se4 Bi8

O20Se4Bi8 is an experimental quaternary semiconductor compound combining oxygen, selenium, and bismuth in a defined stoichiometric ratio. This material belongs to the family of mixed-metal chalcogenides and is primarily of research interest for exploring novel electronic and optoelectronic properties rather than an established commercial material. The bismuth and selenium combination offers potential for thermoelectric applications, photovoltaic devices, or infrared sensing, though practical engineering adoption remains limited pending further development of synthesis methods, phase stability, and scalable manufacturing.

experimental semiconductorsthermoelectric devices (research phase)infrared detectors (potential)photovoltaic materials (exploratory)materials science researchbismuth-based electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.911	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.251	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.

O20 Se4 Bi8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control