N-heterocyclic carbene-ligated metal complexes and clusters for photocatalytic CO2 reduction,Inorganic Chemistry Frontiers

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N-heterocyclic carbene-ligated metal complexes and clusters for photocatalytic CO2 reduction
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2023-05-31 , DOI: 10.1039/d3qi00678f
Yilin Jiang ₁ , Honghan Fei ₁

Affiliation

Photocatalytic reduction of CO₂ to high value-added products is a green and sustainable approach to reducing excessive CO₂ emissions. N-heterocyclic carbenes (NHCs) are a class of structurally versatile ligands due to their strong σ-donor properties, forming covalent bonds with many metal centers, and ability to activate CO₂ molecules. The resulting NHC-ligated metal centers and clusters have high stability, tunable π-conjugation and unique reactivity, making them excellent candidates for CO₂ photoreduction. Herein, this frontier article provides a comprehensive review of the literatures on active NHC-stabilized metal complexes and clusters for photocatalytic CO₂ reduction. We discuss the synthetic strategies of NHC-ligated metal species, including their incorporation into porous matrices such as metal–organic frameworks (MOFs). We also summarize their photocatalytic applications in CO₂ reduction, providing guidance for the rational design and development of NHC-based MOF photocatalysts for efficient and sustainable CO₂ photoreduction.

中文翻译：

用于光催化 CO2 还原的 N-杂环卡宾配位金属配合物和簇

光催化还原CO ₂生成高附加值产品是减少CO ₂过量排放的绿色可持续方法。N-杂环卡宾（NHC）是一类结构通用的配体，因为它们具有很强的σ-供体特性，与许多金属中心形成共价键，并且能够活化CO 2_分子。由此产生的 NHC 连接金属中心和簇具有高稳定性、可调节的 π 共轭和独特的反应性，使其成为 CO ₂光还原的绝佳候选者。_{在此，这篇前沿文章对用于光催化CO 2}的活性NHC稳定金属配合物和团簇的文献进行了全面的回顾减少。我们讨论了 NHC 连接金属物质的合成策略，包括将它们掺入金属有机框架 (MOF) 等多孔基质中。我们还总结了它们在CO ₂还原中的光催化应用，为合理设计和开发基于NHC的MOF光催化剂以实现高效和可持续的CO ₂光还原提供指导。

更新日期：2023-05-31

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