Cobalt polyoxometalate-LDH hybrids: pH-switchable molecular catalysts to confined cobalt oxide oxygen evolution layers

Javier Quirós Huerta; Ramón Torres‐Cavanillas; Susana Ochando-Pariente; Eugenio Coronado; Joaquín Soriano‐López

doi:10.1039/d6cc01200k

January 1, 2026Chemical CommunicationsOpen Access

Cobalt polyoxometalate-LDH hybrids: pH-switchable molecular catalysts to confined cobalt oxide oxygen evolution layers

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Key Points

The study aims to enhance the oxygen evolution reaction (OER) activity of cobalt polyoxometalate (Co-POM) hybrids in different pH environments.
Intercalation of Co-POMs into layered double hydroxides (LDH)
Evaluation of OER activity at neutral and alkaline pH levels
Assessment of cobalt oxide species formation in LDH galleries
OER activity significantly increases at neutral pH due to Co-POM intercalation
In alkaline conditions, Co-POMs transition to layered cobalt oxide with tunable properties
The hybrid structure provides a pH-switchable catalytic environment

Implication

This investigation demonstrates improved oxygen evolution activity in cobalt-based materials, indicating potential for sustainable energy.

Abstract

Intercalating Co-POMs into the LDH lamellar space effectively boosts their OER activity at neutral pH. In alkaline media, Co-POMs decompose into tunable layered cobalt oxide species within the LDH gallery,...

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Cite This Study

Huerta et al. (2026) studied this question.

synapsesocial.com/papers/69e9b89b85696592c86ebcf2 https://doi.org/10.1039/d6cc01200k

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Cobalt polyoxometalate-LDH hybrids: pH-switchable molecular catalysts to confined cobalt oxide oxygen evolution layers

Key Points

Implication

Abstract

Discussion

Cite This Study

Cobalt polyoxometalate-LDH hybrids: pH-switchable molecular catalysts to confined cobalt oxide oxygen evolution layers

Key Points

Implication

Abstract

Discussion

Cite This Study

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