CoAgO2

CoAgO2 is a thermodynamically stable semiconducting oxide utilized primarily for its potential as a catalyst in oxygen-evolution reactions.

Crystal structure of CoAgO2
Ground-state structure · Materials Project
Overview

About CoAgO2

CoAgO2 is a semiconducting oxide that sits on the convex hull, indicating significant thermodynamic stability. As a member of the oxide oxygen-evolution catalyst class, it represents a specialized material system where the interplay between silver and cobalt ions influences its electrochemical behavior.

This compound is of interest for its potential in energy conversion technologies. Its structural diversity, evidenced by numerous reported configurations across databases, makes it a compelling subject for researchers aiming to optimize catalytic activity for water splitting and related oxidative processes.

At a glance

Key Properties

Cross-validated computational properties for CoAgO2, aggregated across 3 databases.

Band Gap

0.26–1.33 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 2 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CoAgO2.

Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where CoAgO2 is used.

Oxygen-evolution catalysisElectrochemical water splittingEnergy conversion research
Reference

Frequently Asked Questions

Common questions about CoAgO2, answered from cross-validated data.

What is CoAgO2?

CoAgO2 is a thermodynamically stable semiconducting oxide utilized primarily for its potential as a catalyst in oxygen-evolution reactions.

More questions
What is CoAgO2 used for?
CoAgO2 is used in oxygen-evolution catalysis, electrochemical water splitting, and energy conversion research.
What is the band gap of CoAgO2?
CoAgO2 has a DFT-computed band gap of 0.26–1.33 eV across 17 reported structures.
Is CoAgO2 a metal, semiconductor, or insulator?
With a band gap up to 1.33 eV it is a semiconductor.
Is CoAgO2 thermodynamically stable?
Yes — CoAgO2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CoAgO2 are known?
17 structures of CoAgO2 are reported across 3 databases, spanning 2 distinct space groups.
How is CoAgO2 synthesized?
Literature-reported routes for CoAgO2 include solid state.
What elements does CoAgO2 contain?
CoAgO2 contains Ag, Co, and O (3 elements).
Where does the data for CoAgO2 come from?
CoAgO2 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the oxide oxygen-evolution catalysts class.

Within the broad category of oxide oxygen-evolution catalysts, CoAgO2 offers a distinct alternative to more common transition metal oxides like LiCoO2 or NiO. While many class members rely on lithium or lanthanum frameworks to stabilize their structures, CoAgO2 utilizes silver to achieve thermodynamic stability, providing a unique electronic environment that differentiates its catalytic performance from standard perovskite-like oxides such as LaMnO3.

Explore

Related Compounds

Other Oxide Oxygen-Evolution Catalysts in the database.

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

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