K2O2
Potassium peroxide · Potassium superoxide
Potassium peroxide is a stable, semiconducting inorganic compound primarily utilized as a specialized chemical reagent.
About Potassium peroxide
Potassium peroxide is a thermodynamically stable compound that sits firmly on the convex hull, indicating significant structural integrity. As a semiconducting material, it exhibits distinct electronic properties that differentiate it from more common ionic oxides, making it a subject of interest in inorganic synthesis and chemical research.
With a high volume of reported structures across major databases, this compound is well-characterized for its role in reactive chemical environments. Its ability to participate in specific redox processes makes it a valuable reagent in laboratory settings where controlled oxidation is required.
Key Properties
Cross-validated computational properties for Potassium peroxide, aggregated across 4 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 Potassium peroxide is used.
Frequently Asked Questions
Common questions about Potassium peroxide, answered from cross-validated data.
What is K2O2?
Potassium peroxide is a stable, semiconducting inorganic compound primarily utilized as a specialized chemical reagent.
What is K2O2 used for?
What is the band gap of K2O2?
Is K2O2 a metal, semiconductor, or insulator?
Is K2O2 thermodynamically stable?
How many polymorphs of K2O2 are known?
What elements does K2O2 contain?
Where does the data for K2O2 come from?
How It Compares
As a stable member of the alkali metal peroxide family, this compound serves as a fundamental reference point for understanding the electronic and structural behavior of group one peroxides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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