KY2CuS4

metal

· JVASP-154675· KY2CuS4

KY2CuS4 is a copper sulfide compound with a complex ternary or quaternary composition that falls within the metal sulfide family. This material is primarily of research and development interest rather than established commercial production, being investigated for its potential in semiconductor, optoelectronic, and solid-state applications where copper sulfide phases offer tunable electronic properties. Engineers and materials scientists would consider this compound for niche applications in photovoltaic devices, thermoelectric materials, or solid-state chemistry where copper-sulfur stoichiometry provides advantages in band gap engineering or ionic conductivity over conventional alternatives.

semiconductor researchphotovoltaic absorber layersthermoelectric materialssolid-state ionic conductorsmaterials research compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1356	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.009	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.838	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.

KY2CuS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control