K1 Ni2 S2

semiconductor

· K1 Ni2 S2

K1Ni2S2 is a ternary nickel sulfide compound belonging to the layered chalcogenide semiconductor family, combining potassium, nickel, and sulfur elements in a structured crystal lattice. This material is primarily of research and exploratory interest rather than established industrial production, investigated for potential applications in thermoelectric conversion, catalysis, and two-dimensional electronic devices where its layered structure and electronic properties could offer advantages over conventional semiconductors. The nickel sulfide family is notable for its tunable band gap and potential use in energy applications, though K1Ni2S2 specifically remains in the development stage with applications emerging from studies in quantum materials and sustainable energy technologies.

thermoelectric devicescatalyst materialssemiconductor researchenergy conversion2D materials platformsquantum materials investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00130	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6930	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.

K1 Ni2 S2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control