Na12 Fe2 S8

semiconductor

· Na12 Fe2 S8

Na₁₂Fe₂S₈ is an iron-sodium sulfide compound that functions as a semiconductor, belonging to the family of multivalent metal sulfides with potential ionic conductivity. This is primarily a research-phase material rather than an established commercial product, investigated for its electronic and ionic transport properties within the broader context of solid-state energy storage and conversion systems. The material's mixed-metal sulfide structure makes it of interest for battery electrolytes, photovoltaic absorbers, and thermoelectric applications where sulfide-based semiconductors offer advantages over oxide counterparts.

solid-state battery electrolytesphotovoltaic absorbersionic conductorsthermoelectric materialsenergy storage researchsustainable materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6549	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.047	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 Fe2 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control