KCu4S3 is a mixed-valent copper sulfide compound belonging to the family of ternary metal sulfides. This material exhibits both metallic and semiconducting characteristics due to its complex crystal structure and mixed copper oxidation states, making it of interest in solid-state chemistry and materials research. While not yet widely deployed in large-scale industrial applications, KCu4S3 and related copper sulfide phases are being investigated for thermoelectric devices, ionic conductors, and photovoltaic absorber layers, where the combination of copper and sulfur offers potential advantages in earth-abundant, cost-effective device architectures.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 47.52 | GPa | — | ||
| ↳ | 50.74 | GPa | — | ||
Poisson's Ratio(ν) | 0.3300 | - | — | ||
Shear Modulus(G)2 entries | 18.75 | GPa | — | ||
| ↳ | 20.01 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.592 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 41.35 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4790 | eV/atom | — |