O4 S2 Bi4
semiconductor· O4 S2 Bi4
Bi₄O₄S₂ is a bismuth oxysuflide semiconductor compound combining bismuth, oxygen, and sulfur into a layered crystal structure. This material belongs to the family of mixed-anion semiconductors and is primarily investigated in research contexts for photocatalytic and optoelectronic applications, where its bandgap and crystal anisotropy offer advantages over conventional single-phase semiconductors in light-driven processes.
photocatalysisenvironmental remediationoptoelectronic devicesvisible-light water splittingthin-film semiconductorsresearch/emerging applications
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.