K2VCuS4

semiconductor

· K2VCuS4

K2VCuS4 is a quaternary sulfide semiconductor compound containing potassium, vanadium, copper, and sulfur elements. This material belongs to the family of mixed-metal sulfides and is primarily of research interest for exploring novel semiconductor properties and potential photovoltaic or optoelectronic device applications. While not yet established in mainstream industrial production, compounds in this structural class are investigated for their tunable band gaps and mixed-valence metal chemistry, which could enable cost-effective alternatives to conventional semiconductors if scalability and performance targets are met.

experimental semiconductor researchphotovoltaic device developmentthin-film optoelectronicsmixed-metal sulfide compoundsmaterials screening for solid-state devicesearth-abundant semiconductor alternatives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09917	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.820	eV	—
↳	1.273	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-365.3	µV/K	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.137	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.

K2VCuS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control