Sn4 Ge4 S12

semiconductor

· Sn4 Ge4 S12

Sn₄Ge₄S₁₂ is a quaternary sulfide semiconductor compound belonging to the family of tin-germanium chalcogenides, combining elements from groups IV and XVI of the periodic table. This material is primarily of research interest in thermoelectric and optoelectronic applications, where its tunable bandgap and potential for phonon scattering make it a candidate for next-generation energy conversion and light-emission devices. The tin-germanium sulfide family offers advantages over single-element semiconductors through compositional flexibility and the possibility of engineering lattice defects to enhance performance, though most applications remain in experimental or pre-commercial development stages.

thermoelectric energy conversionsolid-state lighting researchphotovoltaic developmentthermal management devicesadvanced semiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.294	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4510	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.

Sn4 Ge4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control