KCrS2

metal

· KCrS2

KCrS₂ is a ternary metal sulfide compound combining potassium, chromium, and sulfur, belonging to the metal chalcogenide family. This is a research-phase material with potential applications in energy storage and catalysis, where layered sulfide structures are explored for electrode materials and electrocatalysts. The compound's attraction lies in its mixed-metal composition, which can offer tunable electronic properties and enhanced activity compared to single-metal sulfides, though industrial deployment remains limited and engineering use is primarily experimental.

battery electrode materials (research)electrocatalysts for hydrogen evolutionenergy storage systems (advanced)electrochemical devices (exploratory)layered material compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,797.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	4,680.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1147	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.152	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)2 entries	13.16	-	DFT · OptB88vdW
↳	11.64	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	70.20	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.8233	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.697	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	3.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00289	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00136	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-311.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	315.8	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.066	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

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.

KCrS2 — Properties & Data | MatWorld

KCrS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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