SnI4
semiconductor· SnI4
SnI₄ (tin iodide) is an inorganic semiconductor compound composed of tin and iodine, belonging to the halide perovskite and post-perovskite material families. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, where its bandgap and charge-transport properties show promise as an alternative to lead-based perovskites. Engineers and researchers are exploring SnI₄ because tin-based halides offer reduced toxicity compared to conventional lead halide semiconductors while maintaining suitable electronic properties, though commercial-scale adoption remains limited and material stability remains an active research challenge.
perovskite solar cellsthin-film photovoltaicsoptoelectronic devicesradiation detectionresearch/development materials
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7.370 | GPa | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 4.780 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.616 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.380 | eV | — | ||
| ↳ | 0.5170 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 7.812 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.01542 | C/m² | — | ||
| ↳ | 0.2076 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -114.7 | µV/K | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02640 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4276 | eV/atom | — | ||
| ↳ | -0.2911 | eV/atom | — |
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.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.