Na2 Sb2 Se4

semiconductor

· Na2 Sb2 Se4

Na₂Sb₂Se₄ is a layered semiconductor compound belonging to the chalcogenide family, combining sodium, antimony, and selenium in a anionic framework structure. This material is primarily investigated in research contexts for thermoelectric and optoelectronic applications, where its layered crystal structure and tunable bandgap offer potential advantages in energy conversion and light absorption compared to conventional semiconductors. The sodium-antimony-selenide system is of particular interest for solid-state devices and thin-film technologies where the weak van der Waals interlayer interactions enable mechanical exfoliation and integration into heterostructures.

thermoelectric energy conversionoptoelectronic research devicestwo-dimensional materials explorationsolid-state battery developmentphotovoltaic absorber layersinfrared sensing applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	25.46	GPa	—
Shear Modulus(G)	17.43	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01490	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6880	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.

Na2 Sb2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control