Na12 As4 Se12

semiconductor

· Na12 As4 Se12

Na₁₂As₄Se₁₂ is a quaternary chalcogenide semiconductor compound belonging to the arsenic-selenide material family, which are of significant interest in solid-state physics and materials research. This composition represents an experimental/research-phase material studied primarily for its potential in infrared optics, photonic applications, and thermoelectric devices, where the combination of alkali metal (sodium), pnictogen (arsenic), and chalcogen (selenium) elements creates tunable electronic and optical properties. Compared to more conventional semiconductors like silicon or III-V compounds, chalcogenide semiconductors offer advantages in mid-to-far infrared transparency and can be engineered for specific bandgap requirements, making them attractive for niche applications where standard semiconductors are optically opaque.

infrared optics and lensesphotonic devicesthermoelectric materials researchsolid-state physics researchspecialty glass and fiber optics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.013	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8580	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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 As4 Se12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards