V2S5
V2S5 is a semiconducting vanadium sulfide compound that exhibits structural complexity and thermodynamic metastability.
About V2S5
V2S5 is a binary sulfide compound composed of vanadium and sulfur. As a semiconducting material, it represents a complex arrangement of transition metal and chalcogen atoms that has been the subject of significant structural investigation across multiple databases. Its electronic properties suggest potential utility in specialized electronic or optoelectronic research contexts.
Despite its structural diversity, the compound is characterized by a thermodynamic state that sits above the convex hull, indicating it is likely unstable under standard conditions. This metastability makes it a compelling subject for synthesis studies aimed at stabilizing high-energy phases or exploring non-equilibrium material behaviors.
Key Properties
Cross-validated computational properties for V2S5, 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.
Frequently Asked Questions
Common questions about V2S5, answered from cross-validated data.
What is V2S5?
V2S5 is a semiconducting vanadium sulfide compound that exhibits structural complexity and thermodynamic metastability.
What is the band gap of V2S5?
Is V2S5 a metal, semiconductor, or insulator?
Is V2S5 thermodynamically stable?
How many polymorphs of V2S5 are known?
What elements does V2S5 contain?
Where does the data for V2S5 come from?
How It Compares
As a member of the vanadium sulfide family, V2S5 serves as a unique case study in the structural complexity of metal-rich chalcogenides. While many binary sulfides exhibit stable, well-defined ground states, this compound highlights the challenges of accessing and maintaining specific stoichiometric ratios in the vanadium-sulfur system, positioning it as a focus for advanced materials synthesis research.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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