BaCu₂SnSe₄ is a quaternary chalcogenide semiconductor compound belonging to the family of metal selenides, characterized by a complex crystal structure combining barium, copper, and tin cations with selenium anions. This material is primarily of research interest for optoelectronic and thermoelectric applications, with potential advantages over conventional semiconductors due to its tunable bandgap and relatively high atomic mass, which can reduce phonon-assisted heat transport. While not yet widely commercialized, compounds in this material class are being investigated as alternatives to lead-based perovskites and other toxic semiconductors for next-generation photovoltaic devices, infrared detectors, and solid-state cooling applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.369 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.4800 | eV | — | ||
| ↳ | 0.4270 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -133.2 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02100 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.7579 | eV/atom | — |