Hierarchical Porous Organometallic Polymers Fabricated by Direct Knitting : Recyclable Single-Site Catalysts with Enhanced Activity

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 6 vom: 06. Feb., Seite e1905950
1. Verfasser: Shen, Yajing (VerfasserIn)
Weitere Verfasser: Zheng, Qingshu, Zhu, Haibo, Tu, Tao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article N-heterocyclic carbene metal complexes biomass transformation direct knitting porous organometallic polymers single-site catalysts
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520 |a Porous organometallic polymers (POMPs) with hierarchical pore structures, high specific surface areas, and atomically dispersed metal (Ir, Pd, Ru) centers are successfully fabricated by a facile one-pot method through direct knitting of diverse N-heterocyclic carbene metal (NHC-M) complexes. These polymers can function as recyclable solid single-site catalysts and exhibit excellent catalytic activity and selectivity in both dehydrogenation and hydrogenation reactions even at ppm-level catalyst loadings. Remarkably, a record turnover number (TON) of 1.01 × 106 is achieved in the hydrogenation of levulinic acid to γ-valerolactone, which is 750 times higher than that attained with corresponding bis-NHC-Ir complex 
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650 4 |a N-heterocyclic carbene metal complexes 
650 4 |a biomass transformation 
650 4 |a direct knitting 
650 4 |a porous organometallic polymers 
650 4 |a single-site catalysts 
700 1 |a Zheng, Qingshu  |e verfasserin  |4 aut 
700 1 |a Zhu, Haibo  |e verfasserin  |4 aut 
700 1 |a Tu, Tao  |e verfasserin  |4 aut 
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