Yun Ruirui, Li Tuanhui, He Lei, Shi Changsong, Xu Ruiming
Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 214001, P. R. China.
Inorg Chem. 2022 Oct 10;61(40):15817-15821. doi: 10.1021/acs.inorgchem.2c02695. Epub 2022 Sep 30.
The exploration of efficient and low-consumption catalysts for carbon dioxide (CO) conversion is desirable yet remains a great challenge. Herein, a novel catalyst composed of a hollow nitrogen-doped carbon framework (HNF) enriched with high-loading (9.8 wt %) atomically dispersed iron sites (defined as ) has been fabricated by a polymer-assisted strategy. As a result, has an excellent performance on the cycloaddition reactions of CO with epoxides (the conversion >96%) under milder conditions because of its ultrahigh loading of atomically dispersed iron sites. This study not only provides an advanced catalyst for driving CO cycloaddition but also furnishes a novel perspective on the rational design of superior catalysts with high-loading active sites for diverse heterogeneous catalytic reactions.
探索用于二氧化碳（CO₂）转化的高效低耗催化剂是很有必要的，但仍然是一个巨大的挑战。在此，通过聚合物辅助策略制备了一种新型催化剂，该催化剂由富含高负载量（9.8 wt%）原子分散铁位点（定义为 ）的中空氮掺杂碳骨架（HNF）组成。结果，由于其超高负载的原子分散铁位点， 在较温和条件下对CO₂与环氧化物的环加成反应具有优异的性能（转化率>96%）。这项研究不仅为驱动CO₂环加成提供了一种先进的催化剂，还为合理设计具有高负载活性位点的优质催化剂以用于各种多相催化反应提供了新的视角。
