Co2Nb2O8
Co2Nb2O8 is a semiconducting cobalt-niobium oxide being explored as a potential catalyst for oxygen-evolution reactions in electrochemical systems.
About Co2Nb2O8
Co2Nb2O8 is a semiconducting ternary oxide that sits near the thermodynamic stability hull, suggesting it is a viable candidate for experimental synthesis. As a member of the oxide oxygen-evolution catalyst class, it leverages its specific electronic structure to facilitate complex surface redox reactions required for water splitting and related electrochemical processes.
This compound is of significant interest to researchers aiming to diversify the materials available for sustainable energy technologies. Its structural versatility, evidenced by multiple reported configurations, makes it a compelling subject for studies focused on optimizing catalyst performance in demanding chemical environments.
Key Properties
Cross-validated computational properties for Co2Nb2O8, 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 Co2Nb2O8 is used.
Frequently Asked Questions
Common questions about Co2Nb2O8, answered from cross-validated data.
What is Co2Nb2O8?
Co2Nb2O8 is a semiconducting cobalt-niobium oxide being explored as a potential catalyst for oxygen-evolution reactions in electrochemical systems.
What is Co2Nb2O8 used for?
What is the band gap of Co2Nb2O8?
Is Co2Nb2O8 a metal, semiconductor, or insulator?
Is Co2Nb2O8 thermodynamically stable?
How many polymorphs of Co2Nb2O8 are known?
What elements does Co2Nb2O8 contain?
Where does the data for Co2Nb2O8 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the broader family of oxygen-evolution catalysts, Co2Nb2O8 offers a distinct compositional profile compared to well-established transition metal oxides like NiO or the layered lithium-based oxides such as LiCoO2 and LiNiO2. While many of its class members rely on high-valence transition metals or specific layered geometries to drive catalysis, Co2Nb2O8 utilizes the interplay between cobalt and niobium to achieve its semiconducting behavior, positioning it as a unique alternative to the perovskite-based catalysts like LaMnO3 or LaNiO3.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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