Si4 S4
semiconductor· Si4 S4
Si₄S₄ is an experimental silicon sulfide compound belonging to the family of binary semiconductor materials with potential applications in optoelectronics and photovoltaics. This material remains primarily in research and development contexts, where scientists are investigating its electronic band structure and optical properties as an alternative to more established semiconductors; its actual industrial deployment is limited, but the silicon-sulfide family is of interest for thin-film solar cells, photodetectors, and other light-responsive devices where cost and scalability advantages might compete with conventional materials like silicon or cadmium telluride.
photovoltaic researchthin-film optoelectronicsphotodetector developmentsemiconductor researchexperimental materials
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 6.633 | GPa | — | ||
Shear Modulus(G) | 5.440 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.1582 | eV | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.3890 | 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.