Bi4 O8

semiconductor

· Bi4 O8

Bi₄O₈ is a bismuth oxide semiconductor compound belonging to the family of bismuth-based mixed-valence oxides. This material is primarily investigated in research contexts for photocatalytic and optoelectronic applications, where its semiconducting properties enable light-driven reactions and potential device functionality. Bismuth oxides are of particular interest as alternatives to titanium dioxide in environmental remediation and water treatment, offering tunable bandgaps and enhanced visible-light absorption for sustainable engineering solutions.

photocatalysis and water purificationvisible-light photocatalystsoptoelectronic devicesenvironmental remediation researchbismuth oxide materials developmentsemiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	13,641.7	ksi	—
Shear Modulus(G)	7,094.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9704	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.137	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.

Bi4 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control