KCu3S2 — Properties & Data | MatWorld

KCu3S2

Name: KCu3S2
Brand: MatWorld

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	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5630	eV	DFT · OptB88vdW
↳	1.460	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.969	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000563	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00186	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-95.13	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	249.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5447	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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

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