K3SbSe3

ceramic

· JVASP-49344· K3SbSe3

K3SbSe3 is an inorganic ceramic compound belonging to the chalcogenide family, composed of potassium, antimony, and selenium. This is a research-phase material of interest in solid-state chemistry and materials science; it is not currently in widespread industrial production. The material is being investigated primarily for applications in thermoelectric devices, photovoltaic systems, and superionic conductors, where its layered crystal structure and electronic properties show potential advantages over conventional semiconductors and ionic conductors.

thermoelectric devicessolid-state researchchalcogenide semiconductorsionic conductor developmentphotovoltaic researchexperimental ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1235	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.244	eV	DFT · OptB88vdW
↳	3.284	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	8.163	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.559	-	DFT · OptB88vdW
↳	5.558	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.01494	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.370	%	DFT · TBmBJ

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)	-1.042	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

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.

K3SbSe3 — Properties & Data | MatWorld

K3SbSe3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental