Br4Cs4I8
Br4Cs4I8 is a semiconducting inorganic compound containing cesium, bromine, and iodine that exists in a metastable state.
About Br4Cs4I8
Br4Cs4I8 is an inorganic compound composed of cesium, bromine, and iodine. As a semiconducting material, it represents a complex arrangement of halide elements that sits in a metastable state relative to the ground state of its constituent elements. Its electronic character suggests potential interest for researchers investigating halide-based optoelectronics or specialized semiconductor systems. Given its position above the thermodynamic hull, this compound is considered inherently unstable under standard conditions, which makes it a subject of significant interest for synthesis studies and structural characterization. The existence of multiple reported structures across databases highlights its complexity and the ongoing effort to understand its phase stability.
Key Properties
Cross-validated computational properties for Br4Cs4I8, 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.
Applications
Where Br4Cs4I8 is used.
Frequently Asked Questions
Common questions about Br4Cs4I8, answered from cross-validated data.
What is Br4Cs4I8?
Br4Cs4I8 is a semiconducting inorganic compound containing cesium, bromine, and iodine that exists in a metastable state.
What is Br4Cs4I8 used for?
What is the band gap of Br4Cs4I8?
Is Br4Cs4I8 a metal, semiconductor, or insulator?
Is Br4Cs4I8 thermodynamically stable?
How many polymorphs of Br4Cs4I8 are known?
What elements does Br4Cs4I8 contain?
Where does the data for Br4Cs4I8 come from?
How It Compares
As an unclassified halide system, Br4Cs4I8 serves as a unique case study in the broader field of cesium-based halide semiconductors. Unlike more stable, well-characterized perovskite-related halides, this compound occupies a metastable space that challenges current synthetic methodologies and provides a distinct data point for exploring the limits of halide lattice formation.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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