RbFeO2

RbFeO2 is a thermodynamically stable, semiconducting oxide material primarily investigated for its potential role in oxygen-evolution catalysis.

Crystal structure of RbFeO2
Ground-state structure · Materials Project
Overview

About RbFeO2

RbFeO2 is a semiconducting oxide that sits firmly on the thermodynamic convex hull, indicating significant structural stability. As a member of the oxide oxygen-evolution catalyst class, it represents an interesting candidate for electrochemical research where stable, earth-abundant transition metal oxides are required for facilitating efficient water splitting reactions. Its electronic properties make it a subject of interest for those studying charge transfer mechanisms in complex oxide systems. With numerous reported structures, it is a well-documented material that provides a reliable foundation for experimental studies in catalytic performance and structural phase behavior. Its role in the broader landscape of energy materials continues to be evaluated for potential integration into advanced electrochemical devices.

At a glance

Key Properties

Cross-validated computational properties for RbFeO2, aggregated across 4 databases.

Band Gap

0.40–2.11 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

28
4 databases, 8 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting RbFeO2.

Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where RbFeO2 is used.

Oxygen-evolution catalysis researchElectrochemical energy storage studiesFundamental materials science research
Reference

Frequently Asked Questions

Common questions about RbFeO2, answered from cross-validated data.

What is RbFeO2?

RbFeO2 is a thermodynamically stable, semiconducting oxide material primarily investigated for its potential role in oxygen-evolution catalysis.

More questions
What is RbFeO2 used for?
RbFeO2 is used in oxygen-evolution catalysis research, electrochemical energy storage studies, and fundamental materials science research.
What is the band gap of RbFeO2?
RbFeO2 has a DFT-computed band gap of 0.40–2.11 eV across 28 reported structures.
Is RbFeO2 a metal, semiconductor, or insulator?
With a band gap up to 2.11 eV it is a semiconductor.
Is RbFeO2 thermodynamically stable?
Yes — RbFeO2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of RbFeO2 are known?
28 structures of RbFeO2 are reported across 4 databases, spanning 8 distinct space groups.
How is RbFeO2 synthesized?
Literature-reported routes for RbFeO2 include sol gel.
What elements does RbFeO2 contain?
RbFeO2 contains Fe, O, and Rb (3 elements).
Where does the data for RbFeO2 come from?
RbFeO2 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Within the diverse class of oxygen-evolution catalysts, RbFeO2 occupies a distinct niche compared to more conventional transition metal oxides like NiO or the layered lithium-based oxides such as LiCoO2 and LiNiO2. While many of its counterparts are optimized for high-capacity battery applications or specific magnetic properties, RbFeO2 offers a unique structural framework that differentiates it from the perovskite-based catalysts like LaMnO3 or BiFeO3, providing researchers with a different electronic environment for investigating catalytic activity.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

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

Analyze RbFeO2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →