Nb2Se9
Nb2Se9 is a thermodynamically stable, semiconducting transition-metal chalcogenide used primarily in advanced materials research.
About Nb2Se9
Nb2Se9 is a distinct transition-metal chalcogenide that exhibits semiconducting electronic properties. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration within its chemical family, making it a subject of interest for fundamental materials science studies.
Its unique stoichiometry allows for specialized behavior compared to more common dichalcogenide counterparts. The material is primarily utilized in research contexts where its specific electronic character and structural stability are leveraged to explore novel optoelectronic and sensing phenomena.
Key Properties
Cross-validated computational properties for Nb2Se9, 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 Nb2Se9 is used.
Frequently Asked Questions
Common questions about Nb2Se9, answered from cross-validated data.
What is Nb2Se9?
Nb2Se9 is a thermodynamically stable, semiconducting transition-metal chalcogenide used primarily in advanced materials research.
What is Nb2Se9 used for?
What is the band gap of Nb2Se9?
Is Nb2Se9 a metal, semiconductor, or insulator?
Is Nb2Se9 thermodynamically stable?
How many polymorphs of Nb2Se9 are known?
What elements does Nb2Se9 contain?
Where does the data for Nb2Se9 come from?
How It Compares
Within the transition-metal dichalcogenides class.
Unlike the widely studied dichalcogenides such as MoSe2 and MoS2, which typically form layered structures, Nb2Se9 features a higher selenium-to-metal ratio that influences its bonding environment and electronic response. While MoSe2 is a standard benchmark for two-dimensional semiconductor research, Nb2Se9 occupies a niche role as a more complex, selenium-rich phase that offers researchers a different structural template for exploring transition-metal chalcogenide chemistry.
Related Compounds
Other Transition-Metal Dichalcogenides in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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