SnI2
tin(II) iodide · stannous iodide
Tin(II) iodide is a stable, semiconducting inorganic compound frequently studied for its potential in optoelectronic applications.
About tin(II) iodide
Tin(II) iodide is a metal halide that functions as a semiconductor. It is recognized for its thermodynamic stability, consistently appearing on the convex hull, which makes it a reliable subject for structural and electronic investigation.
With a significant number of reported structures across various databases, this compound serves as a key reference point in the study of tin-based halides. Its electronic character allows it to be utilized in the development of specialized optoelectronic devices and thin-film technologies.
Key Properties
Cross-validated computational properties for tin(II) iodide, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where tin(II) iodide is used.
Frequently Asked Questions
Common questions about tin(II) iodide, answered from cross-validated data.
What is SnI2?
Tin(II) iodide is a stable, semiconducting inorganic compound frequently studied for its potential in optoelectronic applications.
What is SnI2 used for?
What is the band gap of SnI2?
Is SnI2 a metal, semiconductor, or insulator?
Is SnI2 thermodynamically stable?
How many polymorphs of SnI2 are known?
What elements does SnI2 contain?
Where does the data for SnI2 come from?
How It Compares
As a stable and well-documented member of the tin-halide family, this compound serves as a foundational reference for researchers exploring the broader class of metal-iodide semiconductors.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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