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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

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Published on: April 10, 2018

Cooperativity in supported metal single atom catalysis.

Philippe Serp¹

¹LCC, CNRS-UPR 8241, ENSIACET, Université de Toulouse, 31030 Toulouse, France. philippe.serp@ensiacet.fr.

|March 17, 2021

Summary

Cooperativity in supported single-atom (SA) catalysis extends beyond metal-support interactions. This review explores diverse cooperative effects, including ligand, heterobimetallic, nanoparticle-SA, and mixed-valence SA interactions, to enhance catalytic performance.

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Published on: December 6, 2021

Area of Science:

Catalysis
Materials Science
Surface Chemistry

Background:

Cooperativity in supported single-atom (SA) catalysis is crucial for enhancing catalytic performance.
Current focus often overemphasizes metal-support interactions, neglecting other significant factors.
Understanding diverse cooperative effects is key to unlocking new catalytic pathways.

Purpose of the Study:

To broaden the understanding of cooperativity in SA catalysis.
To highlight factors beyond metal-support interactions influencing SA performance.
To review various cooperative phenomena in SA catalysis.

Main Methods:

Literature review and synthesis of existing research on SA catalysis.
Categorization of different types of cooperativity.
Discussion of SA catalysis across photo-, electro-, and thermal-regimes.

Main Results:

Identified metal-support interaction as important but not the sole factor in SA catalysis.
Highlighted the role of the support (oxide, carbon, or metal) in SA performance.
Detailed various cooperative mechanisms: metal-ligand, heterobimetallic, nanoparticle-SA, and mixed-valence SA.

Conclusions:

Multiple cooperative effects, beyond metal-support interactions, significantly impact SA catalyst activity, selectivity, and stability.
SA-specific cooperativities, such as nanoparticle-SA and mixed-valence SA, enable novel reaction pathways.
A comprehensive view of cooperativity is essential for advancing SA catalysis.