K1 Lu1 S2

semiconductor

· K1 Lu1 S2

K1 Lu1 S2 is a ternary sulfide compound containing potassium, lutetium, and sulfur, belonging to the family of rare-earth metal sulfides. This is a research-phase material studied primarily for its potential in solid-state ion transport and energy storage applications, as rare-earth sulfides can exhibit ionic conductivity and interesting electronic properties relevant to next-generation battery and electrochemical devices.

solid-state electrolytesbattery researchionic conductorsrare-earth compound researchelectrochemical devicesadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.425	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.061	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 Lu1 S2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control