KSn2Br5 — Properties & Data | MatWorld

KSn2Br5

ceramic

· JVASP-12543· KSn2Br5

KSn2Br5 is a halide perovskite ceramic compound composed of potassium, tin, and bromine—a member of the lead-free perovskite family that has emerged as a research focus for optoelectronic and photovoltaic applications. This material is primarily investigated in laboratory and developmental contexts rather than established industrial production, valued for its potential in perovskite solar cells, light-emitting devices, and radiation detection where lead-free alternatives are required due to environmental and regulatory constraints. Engineers consider tin-based halide perovskites like KSn2Br5 when designing next-generation energy conversion or sensing devices that demand both performance and reduced toxicity compared to traditional lead perovskites.

perovskite solar cellslead-free optoelectronicsradiation detectionlight-emitting devicesphotovoltaic researchenvironmental-friendly semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17.89	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	10.49	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.531	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.350	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.829	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00154	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00146	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-171.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	357.8	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)	-1.108	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.

KSn2Br5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental