Selective Four-Electron Reduction of Dioxygen by a Mononuclear Copper Complex Supported by a Pentadentate Polypyridylalkylamine Ligand

Mengqing Liu; Yipei Zhao; Qianyu Chang; Hongping Zhou; Marcello Gennari; Carole Duboc; Lianke Wang

doi:10.1039/d5qi02259b

January 1, 2026Inorganic Chemistry Frontiers

Selective Four-Electron Reduction of Dioxygen by a Mononuclear Copper Complex Supported by a Pentadentate Polypyridylalkylamine Ligand

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Key Points

Investigate a novel copper complex for efficient four-electron reduction of dioxygen to water.
Synthesis of a mononuclear copper complex.
Utilization of a pentadentate polypyridylalkylamine ligand.
Evaluation of catalytic performance in the oxygen reduction reaction.
The copper complex demonstrated a selective four-electron reduction of O2.
This reaction efficiently converted O2 to H2O.
Performance exceeded traditional Cu–tris(2-pyridylmethyl)amine systems.

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Implication

Research reveals effective oxygen reduction using a copper complex in energy conversion applications.

Abstract

The selective four-electron reduction of O 2 to H 2 O is central for efficient energy conversion. Copper–polypyridyl complexes are attractive Oxygen Reduction Reaction (ORR) catalysts, yet benchmark Cu–tris(2-pyridylmethyl)amine (tmpa) systems typically operate...

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Liu et al. (2026) studied this question.

synapsesocial.com/papers/698ebf5d85a1ff6a93016bb6 https://doi.org/10.1039/d5qi02259b

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Selective Four-Electron Reduction of Dioxygen by a Mononuclear Copper Complex Supported by a Pentadentate Polypyridylalkylamine Ligand

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Selective Four-Electron Reduction of Dioxygen by a Mononuclear Copper Complex Supported by a Pentadentate Polypyridylalkylamine Ligand

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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