Si3 Se1

semiconductor
· Si3 Se1

Si₃Se₁ is a silicon-selenium compound belonging to the family of chalcogenide semiconductors, which are materials containing elements from Group 16 (chalcogens) combined with semiconducting elements. This composition represents a research-phase material rather than a commercial standard; silicon-selenium systems are primarily investigated for their potential in optoelectronic and photovoltaic applications due to their tunable band gaps and light-absorption characteristics. Engineers considering this material should be aware it remains largely experimental, with development focused on thin-film devices, infrared sensors, and next-generation solar cell technologies where conventional silicon or established III-V semiconductors may be inadequate.

Infrared photodetectorsExperimental photovoltaicsThin-film optoelectronicsChalcogenide research devicesBand-gap engineering applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.
Si3 Se1 — Properties & Data | MatWorld