K2O21V8
K2O21V8 is a semiconducting potassium vanadium oxide that is considered theoretically stable and a candidate for experimental synthesis.
About K2O21V8
K2O21V8 is a complex potassium vanadium oxide characterized by its semiconducting electronic structure. Its composition places it within a family of oxides that are often investigated for their potential in electrochemical and catalytic applications. The material is considered near-hull stable, suggesting it is a viable target for experimental synthesis and structural characterization. The compound represents a specific stoichiometry within the broader landscape of vanadium-based oxides. As a material with multiple reported structures, it serves as a point of interest for researchers mapping the phase space of alkali metal vanadates and exploring how structural variations influence electronic properties.
Key Properties
Cross-validated computational properties for K2O21V8, 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 K2O21V8 is used.
Frequently Asked Questions
Common questions about K2O21V8, answered from cross-validated data.
What is K2O21V8?
K2O21V8 is a semiconducting potassium vanadium oxide that is considered theoretically stable and a candidate for experimental synthesis.
What is K2O21V8 used for?
What is the band gap of K2O21V8?
Is K2O21V8 a metal, semiconductor, or insulator?
Is K2O21V8 thermodynamically stable?
How many polymorphs of K2O21V8 are known?
What elements does K2O21V8 contain?
Where does the data for K2O21V8 come from?
How It Compares
As a unique member of the potassium vanadium oxide family, K2O21V8 occupies a distinct position in the phase diagram, offering a specific structural arrangement that differentiates it from more common binary or ternary vanadium oxides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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