Bi4 S4 Br4
semiconductor· Bi4 S4 Br4
Bi₄S₄Br₄ is a mixed-halide bismuth chalcogenide semiconductor compound combining bismuth, sulfur, and bromine in a layered crystal structure. This is primarily a research material being investigated for optoelectronic and photovoltaic applications, particularly where tunable band gap and anisotropic electronic properties are valuable. The mixed halide-chalcogenide composition represents an emerging class of materials with potential advantages in perovskite-alternative solar cells, photodetectors, and quantum device platforms where conventional semiconductors face limitations.
photovoltaic research devicesphotodetector prototypesoptoelectronic semiconductorsperovskite alternativesquantum materials researchexperimental solid-state devices
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
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.