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.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 15.53 | GPa | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 6.080 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.847 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.568 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 11.16 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -87.58 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.241 | eV/atom | — |