F36K12Sn12
F36K12Sn12 is a thermodynamically stable, wide-gap insulating halide perovskite used as a model system in advanced materials research.
About F36K12Sn12
F36K12Sn12 is a complex halide perovskite characterized by its wide-gap insulating electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a structurally robust candidate within the broader family of halide-based materials.
This compound is of interest in materials science due to its unique structural arrangement and stability. It serves as a foundational subject for researchers investigating the influence of potassium and tin cations on the optoelectronic properties of halide perovskite frameworks.
Key Properties
Cross-validated computational properties for F36K12Sn12, aggregated across 3 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.
Reported Structures
Lowest-energy structures reported for F36K12Sn12, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 3.51 | 0.0000 | -4.966 | 3.87 |
| — | — | — | — | — | 3.41 |
| — | — | — | — | — | 3.54 |
| P-1 (No. 2) | triclinic | — | — | — | 1.88 |
Applications
Where F36K12Sn12 is used.
Frequently Asked Questions
Common questions about F36K12Sn12, answered from cross-validated data.
What is F36K12Sn12?
F36K12Sn12 is a thermodynamically stable, wide-gap insulating halide perovskite used as a model system in advanced materials research.
What is F36K12Sn12 used for?
What is the band gap of F36K12Sn12?
Is F36K12Sn12 a metal, semiconductor, or insulator?
Is F36K12Sn12 thermodynamically stable?
What is the crystal structure of F36K12Sn12?
What is the density of F36K12Sn12?
How many polymorphs of F36K12Sn12 are known?
What elements does F36K12Sn12 contain?
Where does the data for F36K12Sn12 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the diverse class of halide perovskites, F36K12Sn12 distinguishes itself through its specific stoichiometry, contrasting with more common lead-based counterparts like CsPbBr3 or the tin-iodide variants such as CsSnI3. While many members of this class are explored for their semiconducting behavior in solar cells, this compound is notable for its insulating character, placing it in a distinct functional category compared to the highly conductive perovskites used in photovoltaics.
Related Compounds
Other Halide Perovskite Photovoltaics in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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