KSn2Se4 — Properties & Data | MatWorld

KSn2Se4

ceramic

· JVASP-97819· KSn2Se4

KSn₂Se₄ is an inorganic ceramic compound belonging to the ternary selenide family, combining potassium, tin, and selenium elements in a defined stoichiometric ratio. This material is primarily of research and development interest for semiconducting and photovoltaic applications, where layered selenide compounds show promise for direct bandgap engineering and light absorption in the infrared-to-visible spectrum. The tin-selenium framework combined with potassium intercalation offers potential advantages in tunable electronic properties and thermal stability compared to simpler binary selenides, though industrial deployment remains limited to specialized optoelectronic research.

experimental optoelectronicsphotovoltaic researchinfrared detectorssemiconductor device developmentmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.266	kg/m³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.121	eV	DFT · OptB88vdW
↳	1.634	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.210	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.47	%	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)	0.00410	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6252	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.

KSn2Se4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental