Journal
CHEMISTRY OF MATERIALS
Volume 29, Issue 16, Pages 6740-6748Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.7b01539
Keywords
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Funding
- Korea CCS R&D Centre through the National Research Foundation of Korea
- C1 Gas Refinery Program through the National Research Foundation of Korea [2015M3D3A1A01064879]
- Ministry of Education, Science and Technology of the Korean Government
- Global Scholarship Program for Foreign Graduate Students at Kookmin University in Korea
- National Research Foundation of Korea [2014M1A8A1049300, 2015M3D3A1A01064879] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Functionalizing the recently developed porous materials such as porous organic frameworks and coordination polymer networks with active homogeneous catalytic sites would offer new opportunities in the field of heterogeneous catalysis. In this regard, a novel covalent triazine framework functionalized with an Ir(III)-N-heterocyclic carbene complex was synthesized and characterized to have a coordination environment similar to that of its structurally related molecular Ir complex. Because of the strong sigma-donating and poor pi-accepting characters of the N-heterocyclic carbene (NHC) ligand, the heterogenized Ir-NHC complex efficiently catalyzes the hydrogenation of CO2 to formate with a turnover frequency of up to 16 000 h(-1) and a turnover number of up to 24 300; these are the highest values reported to date in heterogeneous catalysis for the hydrogenation of CO2 to formate.
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