K4SnSe4

ceramic

· JVASP-23045· K4SnSe4

K4SnSe4 is an inorganic ceramic compound composed of potassium, tin, and selenium that belongs to the family of metal chalcogenides. This material is primarily investigated in research contexts for semiconducting and photonic applications, particularly where its layered crystal structure and electronic properties are relevant. Engineers consider this compound where bandgap engineering, solid-state ionics, or specialized optical/thermal applications require the unique combination of heavy-metal and alkali-metal elements found in tin selenide systems.

research photovoltaicssolid-state ionic conductorssemiconductor synthesisthermoelectric devicesthin-film optoelectronicsmaterials characterization studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1146	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.623	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000568	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000305	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-103.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	342	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)	-1.095	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.

K4SnSe4 — Properties & Data | MatWorld

K4SnSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental