InPb2I5 is a mixed-metal halide ceramic compound combining indium and lead iodides, belonging to the perovskite-related family of materials. This is primarily a research-phase material investigated for optoelectronic and photovoltaic applications, particularly in next-generation solar cells and radiation detection devices where the combination of heavy metal elements provides strong photon absorption and charge carrier transport. The material's potential advantages over single-cation halide perovskites include tunable bandgap, improved stability, and enhanced radiation stopping power—making it of interest to researchers developing lead-halide alternatives for energy conversion and sensing, though commercial deployment remains limited.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 2,957.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 1,460.5 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2315 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.923 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -192.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02090 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6124 | eV/atom | — |