SmCoO3

samarium cobaltite · SmCoO3

SmCoO3 is a stable, semiconducting perovskite oxide primarily utilized as a catalyst for oxygen-evolution reactions in electrochemical energy systems.

Crystal structure of SmCoO3
Ground-state structure · Materials Project
Overview

About samarium cobaltite

SmCoO3 is a semiconducting oxide that sits firmly on the convex hull, indicating exceptional thermodynamic stability. As a member of the perovskite-related oxide family, it is engineered for high-performance electrochemical applications where structural robustness is essential for long-term operation.

The material is primarily investigated for its role in oxygen-evolution catalysis, a critical process for energy conversion technologies. Its electronic properties and stable lattice structure make it a compelling candidate for researchers seeking efficient alternatives to traditional precious metal catalysts in electrochemical cells.

At a glance

Key Properties

Cross-validated computational properties for samarium cobaltite, aggregated across 2 databases.

Band Gap

0.80 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

5
2 databases, 2 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting SmCoO3.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where samarium cobaltite is used.

Oxygen-evolution catalysisElectrochemical energy conversionSolid oxide fuel cell electrodes
Reference

Frequently Asked Questions

Common questions about samarium cobaltite, answered from cross-validated data.

What is SmCoO3?

SmCoO3 is a stable, semiconducting perovskite oxide primarily utilized as a catalyst for oxygen-evolution reactions in electrochemical energy systems.

More questions
What is SmCoO3 used for?
samarium cobaltite (SmCoO3) is used in oxygen-evolution catalysis, electrochemical energy conversion, and solid oxide fuel cell electrodes.
What is the band gap of SmCoO3?
samarium cobaltite (SmCoO3) has a DFT-computed band gap of 0.80 eV across 5 reported structures.
Is SmCoO3 a metal, semiconductor, or insulator?
With a band gap up to 0.80 eV it is a semiconductor.
Is SmCoO3 thermodynamically stable?
Yes — samarium cobaltite (SmCoO3) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of SmCoO3 are known?
5 structures of SmCoO3 are reported across 2 databases, spanning 2 distinct space groups.
How is SmCoO3 synthesized?
Literature-reported routes for SmCoO3 include sol gel, solid state (7 procedures documented).
What elements does SmCoO3 contain?
samarium cobaltite (SmCoO3) contains Co, O, and Sm (3 elements).
Where does the data for SmCoO3 come from?
SmCoO3 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Within the diverse landscape of oxygen-evolution catalysts, SmCoO3 distinguishes itself through its perovskite framework, which offers different catalytic pathways compared to simpler binary oxides like NiO. While layered materials such as LiCoO2 or La2NiO4 are frequently utilized for their ion-intercalation capabilities, SmCoO3 provides a distinct structural stability that is highly advantageous for maintaining surface activity during demanding electrochemical cycles.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

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

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