Ca2Co2O5

Ca2Co2O5 is a semimetallic oxide material being investigated for its potential utility as a catalyst in oxygen-evolution reactions.

Crystal structure of Ca2Co2O5
Ground-state structure · Materials Project
Overview

About Ca2Co2O5

Ca2Co2O5 is a complex oxide characterized by its near-zero-gap electronic structure, placing it in the category of semimetallic materials. Its thermodynamic profile suggests it is near the hull, indicating that it is a viable candidate for synthesis and experimental characterization within the broader family of transition metal oxides.

As an oxygen-evolution catalyst, this compound leverages its unique electronic configuration to facilitate electrochemical processes. Its structural versatility, evidenced by multiple reported configurations across databases, makes it a significant subject of study for researchers seeking to optimize catalytic performance in energy conversion systems.

At a glance

Key Properties

Cross-validated computational properties for Ca2Co2O5, aggregated across 3 databases.

Band Gap

0.06 eV
Range across DFT structures

Energy Above Hull

0.011 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

13
3 databases, 7 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Ca2Co2O5.

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

Applications

Where Ca2Co2O5 is used.

Oxygen-evolution catalysisElectrochemical energy conversionTransition metal oxide research
Reference

Frequently Asked Questions

Common questions about Ca2Co2O5, answered from cross-validated data.

What is Ca2Co2O5?

Ca2Co2O5 is a semimetallic oxide material being investigated for its potential utility as a catalyst in oxygen-evolution reactions.

More questions
What is Ca2Co2O5 used for?
Ca2Co2O5 is used in oxygen-evolution catalysis, electrochemical energy conversion, and transition metal oxide research.
What is the band gap of Ca2Co2O5?
Ca2Co2O5 has a DFT-computed band gap of 0.06 eV across 13 reported structures.
Is Ca2Co2O5 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Ca2Co2O5 thermodynamically stable?
Ca2Co2O5 has a lowest energy above hull of 0.011 eV/atom (near hull (likely stable)).
How many polymorphs of Ca2Co2O5 are known?
13 structures of Ca2Co2O5 are reported across 3 databases, spanning 7 distinct space groups.
How is Ca2Co2O5 synthesized?
Literature-reported routes for Ca2Co2O5 include sol gel, solid state (2 procedures documented).
What elements does Ca2Co2O5 contain?
Ca2Co2O5 contains Ca, Co, and O (3 elements).
Where does the data for Ca2Co2O5 come from?
Ca2Co2O5 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Within the class of oxide oxygen-evolution catalysts, Ca2Co2O5 occupies a distinct niche compared to more conventional layered oxides like LiCoO2 or perovskites such as LaMnO3. While many of its siblings rely on traditional insulating or semiconducting properties, the semimetallic nature of this compound offers a different pathway for charge transport, potentially enhancing efficiency in catalytic environments where conductivity is a limiting factor.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

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

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