Bi2 Br2 O2

semiconductor

· Bi2 Br2 O2

Bi₂Br₂O₂ is an oxyhalide semiconductor compound combining bismuth, bromine, and oxygen. This is primarily a research material in the halide perovskite and related semiconductor families, being investigated for optoelectronic and photovoltaic applications due to bismuth's advantageous electronic properties and the tunable bandgap achievable through halide composition. While not yet established in high-volume industrial production, materials in this chemical family are of significant interest as lead-free alternatives for solar cells, photodetectors, and light-emitting devices, offering potential advantages in stability and environmental compatibility compared to traditional halide perovskites.

photovoltaic researchphotodetector developmentoptoelectronic deviceslead-free semiconductor alternativesnext-generation solar cellsemerging halide materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	52.33	GPa	—
Shear Modulus(G)	28.70	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.261	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.258	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.

Bi2 Br2 O2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control