Finding a mononuclear cobalt(iii)-peroxo complex with 1,4,7,10-tetraazacyclododecane, an intermediate for dioxygen reduction

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发布日期 2023-11-15

DOI 10.1039/D3NJ04108E

影响因子 3.591

作者

Xiao-Fang Qi, Can-Hao Li, Shu-Zhong Zhan

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摘要

1,4,7,10-Tetraazacyclododecane (L) reacts with CoCl2 to provide a mononuclear cobalt complex, [Co(L)(Cl)2]Cl 1, which has been determined by X-ray crystallography. Complex 1 can serve as a new molecular catalyst for the oxygen reduction reaction (ORR). Under −0.4 V, the H2O2 yield is almost 100% with 0.20 M KOH. Investigations show that the formation of a cobalt(III)-peroxo species, [L-Co-OO]+ in solution is responsible for O2 reduction. In particular, this cobalt(III)-peroxo species has been isolated from the electrocatalytic system as a binuclear cobalt complex, [Co(L)(μ-OH) (μ-OO)Co(L)](ClO4)42 in the solid state. We hope that these findings can provide a new ideal for the development of electrocatalysts for the ORR.

期刊推荐

Journal of Organometallic Chemistry

Science Progress

Journal of Medicinal Chemistry

Molecular Pharmacology

Journal of Physics and Chemistry of Solids

European Journal of Wood and Wood Products

Pure and Applied Chemistry

Proceedings of the National Academy of Sciences of the United States of America

Russian Chemical Reviews

Helvetica Chimica Acta

来源期刊

New Journal of Chemistry

CiteScore: 5.3

自引率: 3.7%

年发文量: 2153

NJC (New Journal of Chemistry) is a broad-based primary journal encompassing all branches of chemistry and its sub-disciplines. It contains full research articles, communications, perspectives and focus articles. This well-established journal, owned by the Centre National de la Recherche Scientifique (CNRS) of France, has been co-published with the Royal Society of Chemistry since January 1998. NJC is the forum for the publication of high-quality, original and significant work that opens new directions in chemistry or other scientific disciplines. In addition to having a significant chemical component, work published in NJC must demonstrate that it will have an impact on areas of research other than that of the reported work.

Finding a mononuclear cobalt(iii)-peroxo complex with 1,4,7,10-tetraazacyclododecane, an intermediate for dioxygen reduction

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来源期刊

New Journal of Chemistry

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