Rb3NiO2
Rb3NiO2 is a metastable semiconducting oxide utilized in the study of oxygen-evolution catalysis.
About Rb3NiO2
Rb3NiO2 is a semiconducting oxide that functions within the broader category of oxygen-evolution catalysts. As a metastable phase, it represents a specialized structural arrangement of nickel, oxygen, and rubidium that offers distinct electronic characteristics for catalytic research.
The material is primarily studied for its potential in electrochemical energy conversion processes. Its specific electronic profile makes it an intriguing candidate for exploring advanced catalytic mechanisms where traditional, highly stable oxides may not provide the necessary surface reactivity.
Key Properties
Cross-validated computational properties for Rb3NiO2, 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 Rb3NiO2 is used.
Frequently Asked Questions
Common questions about Rb3NiO2, answered from cross-validated data.
What is Rb3NiO2?
Rb3NiO2 is a metastable semiconducting oxide utilized in the study of oxygen-evolution catalysis.
What is Rb3NiO2 used for?
What is the band gap of Rb3NiO2?
Is Rb3NiO2 a metal, semiconductor, or insulator?
Is Rb3NiO2 thermodynamically stable?
How many polymorphs of Rb3NiO2 are known?
What elements does Rb3NiO2 contain?
Where does the data for Rb3NiO2 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the diverse group of oxygen-evolution catalysts, Rb3NiO2 occupies a unique niche compared to more conventional, highly stable materials like NiO or the layered lithium-based oxides such as LiNiO2 and LiCoO2. While many of its siblings are widely utilized for their robust thermodynamic profiles, Rb3NiO2 is distinguished by its metastable nature, offering a different pathway for investigating catalytic activity compared to the more common perovskite-structured members like LaNiO3 or LaMnO3.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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