KFeO2
KFeO2 is a stable, semiconducting oxide material utilized primarily in the study and development of oxygen-evolution catalysts for electrochemical energy systems.
About KFeO2
KFeO2 is a semiconducting oxide that holds a significant position within the family of oxygen-evolution catalysts. Its status as a thermodynamically stable phase on the convex hull suggests a robust structural integrity that is highly desirable for catalytic applications where long-term durability is a priority. The material is characterized by a diverse structural landscape, with multiple reported configurations across major materials databases.
This compound plays a vital role in the ongoing search for efficient, earth-abundant materials capable of facilitating the oxygen-evolution reaction. By leveraging its semiconducting nature and stable crystalline framework, researchers explore KFeO2 as a potential candidate for improving the efficiency of electrochemical energy conversion systems.
Key Properties
Cross-validated computational properties for KFeO2, 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting KFeO2.
Applications
Where KFeO2 is used.
Frequently Asked Questions
Common questions about KFeO2, answered from cross-validated data.
What is KFeO2?
KFeO2 is a stable, semiconducting oxide material utilized primarily in the study and development of oxygen-evolution catalysts for electrochemical energy systems.
What is KFeO2 used for?
What is the band gap of KFeO2?
Is KFeO2 a metal, semiconductor, or insulator?
Is KFeO2 thermodynamically stable?
How many polymorphs of KFeO2 are known?
How is KFeO2 synthesized?
What elements does KFeO2 contain?
Where does the data for KFeO2 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the diverse class of oxygen-evolution catalysts, KFeO2 occupies a distinct niche compared to transition metal oxides like NiO or complex layered structures such as LiCoO2 and LaNiO3. While many of its peers rely on expensive or scarce transition metals, KFeO2 offers a different compositional approach that complements the performance profiles of perovskite-type materials like LaMnO3 or BiFeO3, providing a unique electronic environment for catalytic surface reactions.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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