Fe2 Ni4 S8

semiconductor

· Fe2 Ni4 S8

Fe₂Ni₄S₈ is a ternary iron-nickel sulfide semiconductor compound combining ferrous and nickel cations with sulfide anions in a mixed-valence structure. This material belongs to the family of transition metal sulfides and is primarily investigated in research contexts for energy storage and catalytic applications, particularly as a potential electrode material for batteries and as an electrocatalyst for water splitting due to its mixed oxidation states and electronic properties.

electrochemical energy storagewater electrolysis catalystshydrogen evolution reactionbattery electrode materialsemerging semiconductor researchcatalytic conversion applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00160	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5140	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.

Fe2 Ni4 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control