Sn4 Se4

semiconductor

· Sn4 Se4

Sn₄Se₄ is a tin selenide compound belonging to the family of IV-VI semiconductors, which are materials with moderate bandgaps and mixed-valence tin chemistry. This material is primarily explored in research and development contexts for optoelectronic and thermoelectric applications, where its layered crystal structure and tunable electronic properties offer advantages over conventional semiconductors. Unlike widespread commercial semiconductors (Si, GaAs), tin selenides represent an emerging material platform investigated for next-generation devices requiring low thermal conductivity, optical transparency in specific spectral regions, or enhanced charge carrier mobility.

thermoelectric energy conversioninfrared optoelectronicsphotovoltaic researchphase-change memory devicessolid-state radiation detectionthin-film semiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,314	ksi	—
Shear Modulus(G)	2,736.4	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.7080	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4820	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 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control