Sr2 Bi2 Br2 O4

semiconductor

· Sr2 Bi2 Br2 O4

Sr₂Bi₂Br₂O₄ is a mixed-halide perovskite-related oxide semiconductor combining strontium, bismuth, bromine, and oxygen in a layered crystal structure. This is an experimental compound within the broader family of lead-free halide perovskites and bismuth-based semiconductors under active research for next-generation optoelectronic devices. The material is notable for exploring environmentally benign alternatives to lead halide perovskites, with potential applications in photovoltaics and radiation detection where stability and low toxicity are desirable compared to conventional lead-based counterparts.

perovskite solar cells (research)lead-free semiconductorsradiation detection (conceptual)thin-film photovoltaics (experimental)optoelectronic deviceshalide semiconductor materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.232	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.116	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.

Sr2 Bi2 Br2 O4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control