Br6Cs2Sn
Br6Cs2Sn is a stable, tin-containing halide perovskite semiconductor used in the development of photovoltaic and optoelectronic materials.
About Br6Cs2Sn
Br6Cs2Sn is a semiconducting halide perovskite that occupies a stable position on the convex hull, indicating significant structural robustness. Its electronic properties make it a subject of interest for researchers seeking alternatives to traditional lead-based materials in thin-film solar technologies.
As a member of the halide perovskite class, this compound is utilized in the investigation of optoelectronic devices. Its stable configuration provides a reliable foundation for studying charge carrier dynamics and light-harvesting efficiency in advanced photovoltaic architectures.
Key Properties
Cross-validated computational properties for Br6Cs2Sn, 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 Br6Cs2Sn, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 1.44 | 0.0000 | -3.348 | 4.33 |
| — | — | — | — | — | 3.94 |
| — | — | — | — | — | — |
Applications
Where Br6Cs2Sn is used.
Frequently Asked Questions
Common questions about Br6Cs2Sn, answered from cross-validated data.
What is Br6Cs2Sn?
Br6Cs2Sn is a stable, tin-containing halide perovskite semiconductor used in the development of photovoltaic and optoelectronic materials.
What is Br6Cs2Sn used for?
What is the band gap of Br6Cs2Sn?
Is Br6Cs2Sn a metal, semiconductor, or insulator?
Is Br6Cs2Sn thermodynamically stable?
What is the crystal structure of Br6Cs2Sn?
What is the density of Br6Cs2Sn?
How many polymorphs of Br6Cs2Sn are known?
What elements does Br6Cs2Sn contain?
Where does the data for Br6Cs2Sn come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the broader family of halide perovskites, Br6Cs2Sn serves as a distinct tin-based counterpart to the widely studied CsPbBr3. While many members of this class, such as CsSnI3, are frequently explored for their narrow-gap characteristics, Br6Cs2Sn offers a unique compositional profile that contributes to the ongoing effort to balance stability and performance in non-toxic semiconductor development.
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).
- alexandria — Data from alexandria.
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