K2SnBr6 — Properties & Data | MatWorld

K2SnBr6

ceramic

· JVASP-85302· K2SnBr6

K2SnBr6 is a halide perovskite ceramic composed of potassium, tin, and bromine—a member of the double-perovskite family that has attracted significant research attention for optoelectronic and photonic applications. This compound exists primarily in academic and laboratory settings rather than established industrial production, with research focused on its potential as a lead-free alternative in perovskite solar cells, light-emitting devices, and radiation detection systems. The tin-halide perovskite family offers environmental and toxicity advantages over traditional lead-based perovskites while maintaining semiconducting properties, though stability and manufacturing scalability remain active areas of development.

photovoltaic researchperovskite solar cells (experimental)optoelectronic devicesradiation detectors (emerging)lead-free semiconductor alternativesnext-generation light emitters

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	15.53	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	6.080	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.847	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.568	eV	DFT · OptB88vdW
↳	2.661	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	11.16	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.271	-	DFT · OptB88vdW
↳	3.378	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	9.540	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.241	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.

K2SnBr6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental