KCu3S2

semiconductor

· KCu3S2

KCu3S2 is a ternary copper sulfide semiconductor compound combining potassium, copper, and sulfur elements. This material belongs to the family of metal sulfide semiconductors and remains primarily in the research and development phase, with interest driven by potential applications in photovoltaics, thermoelectrics, and other solid-state electronic devices where mixed-valence copper compounds offer tunable electronic properties.

photovoltaic researchthermoelectric devicessemiconductor characterizationcopper sulfide electronicsemerging materials researchsolid-state device development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.495	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.460	eV	—
↳	0.5630	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-95.13	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000800	eV/atom	—
Formation Energy(ΔHf)	-0.5447	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.

KCu3S2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control