Bi2 I2 O2

semiconductor

· Bi2 I2 O2

Bi2I2O2 is an oxyhalide semiconductor compound combining bismuth, iodine, and oxygen in a layered crystal structure. It belongs to the family of bismuth-based halide perovskites and related oxyhalides, which are emerging materials in materials research for optoelectronic applications. This compound is primarily investigated in academic and early-stage development contexts for its potential in photovoltaics, photodetection, and light-emission devices, offering advantages over lead-based alternatives in terms of toxicity while maintaining semiconducting properties suitable for next-generation thin-film electronics.

photovoltaic devicesphotodetectorsoptoelectronic sensorsthin-film electronicslead-free semiconductorsresearch & development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.576	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.078	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 I2 O2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control