BiCuOS

semiconductor

· BiCuOS

BiCuOS is an experimental ternary semiconductor compound combining bismuth, copper, oxygen, and sulfur, belonging to the family of mixed-valence metal chalcogenides. Currently in the research phase, this material is of interest for photovoltaic and optoelectronic device development due to its narrow bandgap and potential for Earth-abundant, non-toxic alternatives to lead-halide perovskites and conventional group IV-VI semiconductors. The BiCuOS system represents an emerging class of materials designed to balance cost, environmental sustainability, and performance for next-generation thin-film solar cells and light-emitting devices.

photovoltaic cells (research)thin-film solar devicesoptoelectronic devices (development)Earth-abundant semiconductorsbandgap engineeringmaterials innovation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.070	eV	—

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.

BiCuOS

Electrical Properties

Regulatory Screening

Environmental

Export Control