Rb3FeO3

Rb3FeO3 is a thermodynamically stable semiconducting oxide compound investigated for its potential role in oxygen-evolution catalysis.

Crystal structure of Rb3FeO3
Ground-state structure · Materials Project
Overview

About Rb3FeO3

Rb3FeO3 is a semiconducting oxide that sits on the convex hull, indicating significant thermodynamic stability. As a member of the oxygen-evolution catalyst class, it represents an interesting inorganic framework for electrochemical energy conversion processes. Its structural diversity is highlighted by numerous reported configurations across major materials databases. Researchers study this compound to understand how alkali-metal-rich environments influence the electronic properties of iron-based oxides during catalytic cycles. Its stable nature makes it a compelling subject for investigations into long-term performance in electrochemical systems.

At a glance

Key Properties

Cross-validated computational properties for Rb3FeO3, aggregated across 3 databases.

Band Gap

0.49–2.27 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

24
3 databases, 2 space groups
Uses

Applications

Where Rb3FeO3 is used.

Oxygen-evolution catalysisElectrochemical energy conversion research
Reference

Frequently Asked Questions

Common questions about Rb3FeO3, answered from cross-validated data.

What is Rb3FeO3?

Rb3FeO3 is a thermodynamically stable semiconducting oxide compound investigated for its potential role in oxygen-evolution catalysis.

More questions
What is Rb3FeO3 used for?
Rb3FeO3 is used in oxygen-evolution catalysis and electrochemical energy conversion research.
What is the band gap of Rb3FeO3?
Rb3FeO3 has a DFT-computed band gap of 0.49–2.27 eV across 24 reported structures.
Is Rb3FeO3 a metal, semiconductor, or insulator?
With a band gap up to 2.27 eV it is a semiconductor.
Is Rb3FeO3 thermodynamically stable?
Yes — Rb3FeO3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Rb3FeO3 are known?
24 structures of Rb3FeO3 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Rb3FeO3 contain?
Rb3FeO3 contains Fe, O, and Rb (3 elements).
Where does the data for Rb3FeO3 come from?
Rb3FeO3 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Unlike the transition-metal-heavy oxides such as LiCoO2 or LaMnO3, which are widely utilized in battery cathodes and complex electrocatalysis, Rb3FeO3 features a higher alkali-metal content that alters its electronic landscape. While BiFeO3 is often studied for its multiferroic properties, Rb3FeO3 is primarily categorized by its role within the oxygen-evolution catalyst family, offering a distinct chemical environment compared to the more conventional NiO or LiNiO2 systems.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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