Br10Cs2Sn4
Br10Cs2Sn4 is a metastable semiconducting halide perovskite compound used in materials science research for optoelectronic and photovoltaic development.
About Br10Cs2Sn4
Br10Cs2Sn4 is a semiconducting material within the halide perovskite family, characterized by its complex structural arrangement involving cesium, tin, and bromine. As a metastable phase, it represents a specialized configuration of interest for researchers investigating non-traditional perovskite-related frameworks.
Its electronic properties make it a subject of study for potential optoelectronic applications where tunable semiconducting behavior is required. By exploring the structural diversity of tin-based halides, scientists aim to overcome stability challenges inherent in high-performance photovoltaic materials.
Key Properties
Cross-validated computational properties for Br10Cs2Sn4, 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 Br10Cs2Sn4, 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. |
|---|---|---|---|---|---|
| I4/mcm (No. 140) | tetragonal | 2.44 | 0.0259 | -3.536 | 4.43 |
| I4/mcm (No. 140) | — | — | — | — | — |
| — | — | — | — | — | 4.46 |
| I4/mcm (No. 140) | — | — | — | — | — |
Applications
Where Br10Cs2Sn4 is used.
Frequently Asked Questions
Common questions about Br10Cs2Sn4, answered from cross-validated data.
What is Br10Cs2Sn4?
Br10Cs2Sn4 is a metastable semiconducting halide perovskite compound used in materials science research for optoelectronic and photovoltaic development.
What is Br10Cs2Sn4 used for?
What is the band gap of Br10Cs2Sn4?
Is Br10Cs2Sn4 a metal, semiconductor, or insulator?
Is Br10Cs2Sn4 thermodynamically stable?
What is the crystal structure of Br10Cs2Sn4?
What is the density of Br10Cs2Sn4?
How many polymorphs of Br10Cs2Sn4 are known?
What elements does Br10Cs2Sn4 contain?
Where does the data for Br10Cs2Sn4 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the broader class of halide perovskites, Br10Cs2Sn4 occupies a distinct structural niche compared to the highly studied CsPbBr3 or the more conventional CsSnI3. While many of its siblings exhibit standard cubic or orthorhombic perovskite architectures, this compound represents a more complex, metastable stoichiometry that highlights the vast chemical space available for tin-based halide semiconductors.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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