Na12 Al4 Se12

semiconductor

· Na12 Al4 Se12

Na₁₂Al₄Se₁₂ is a quaternary chalcogenide semiconductor compound combining sodium, aluminum, and selenium in a layered crystal structure. This material is primarily of research interest for thermoelectric and optoelectronic applications, where its tunable band gap and potential for phonon scattering suppression make it a candidate for solid-state energy conversion and next-generation photonic devices. While not yet established in high-volume production, compounds in this material family are being explored as alternatives to conventional semiconductors in niche applications requiring thermal management or efficient light-matter coupling.

thermoelectric energy conversionresearch semiconductorsoptoelectronic devicesphononic engineeringsolid-state coolingmaterials exploration—chalcogenides

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.552	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.167	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.

Na12 Al4 Se12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control