期刊
CHEMCATCHEM
卷 11, 期 1, 页码 430-434出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201801368
关键词
CO2 hydrogenation; heterogeneous catalysis; ruthenium; carbene; mesostructured silica
资金
- Sinergia project of Swiss National Science Foundation (SNF) [CRSII2 154448]
- Swiss National Science Foundation (SNF) [CRSII2_154448] Funding Source: Swiss National Science Foundation (SNF)
The hydrogenation of CO2 to formic acid can be carried out by numerous homogenous catalysts, while efficient heterogeneous catalysts are rare. In this work, we successfully synthesize an immobilized lutidine-derived pincer-type N-heterocyclic carbene ruthenium complex based on a mesoporous organo-silica hybrid material using sol-gel direct synthesis in the presence of structure directing agents and click chemistry as the two key pillars of this strategy. This material efficiently catalyzes the hydrogenation of CO2 into formate with turnover numbers reaching 18000 within 24 hours, surpassing the performance of the corresponding homogeneous complexes.
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