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|a 10.1002/adma.202209561
|2 doi
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|a pubmed24n1166.xml
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|a (DE-627)NLM349906327
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|a eng
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|a Yun, Yapei
|e verfasserin
|4 aut
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|a Matching Bidentate Ligand Anchoring
|b an Accurate Control Strategy for Stable Single-Atom/ZIF Nanocatalysts
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.02.2023
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|a Date Revised 23.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Improving metal loading and controlling the coordination environment is nontrivial and challenging for single-atom catalysts (SACs), which have the greatest atomic efficiency and largest number of interface sites. In this study, a matching bidentate ligand (MBL) anchoring strategy is designed for the construction of CuN4 SACs with tunable coordination environments (Cu loading range from 0.4 to15.4 wt.%). The obtained Cu SA/ZIF and Cu SA/ZIF* (0.4 wt.%) (ZIF and ZIF* = Zeolitic imidazolate framework with Matching bidentate N-ligands) nanocomposites exhibit superior performance in homo-coupling of phenyl acetylene under light irradiation (TON = 580, selectivity > 99%), which is 22 times higher than that of Cu SA/NC-800 (NC = N-doped porous carbon). Experiments and density functional theory calculations confirmed that the specific Cu five-membered ring formed using the MBL anchoring strategy is the key to the immobilization of isolated Cu atoms. This strategy provides a basis for the construction of M SA/MOF, which has the potential to narrow the gap between experimental and theoretical catalysis, as further confirmed by the successful preparation of Fe SA/ZIF and Ni SA/ZIF
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|a Journal Article
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|a five-membered rings
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|a matching bidentate ligand anchoring
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|a metal organic frameworks
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|a single atom
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|a Zeng, Haitao
|e verfasserin
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|a Li, Lin
|e verfasserin
|4 aut
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|a Li, Haifeng
|e verfasserin
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|a Cheng, Shen
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|4 aut
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|a Sun, Ningning
|e verfasserin
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|a Li, Meng
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|a Sheng, Hongting
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|a Hu, Shuxian
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|a Yao, Tao
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|a Zhu, Manzhou
|e verfasserin
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 7 vom: 03. Feb., Seite e2209561
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:7
|g day:03
|g month:02
|g pages:e2209561
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|u http://dx.doi.org/10.1002/adma.202209561
|3 Volltext
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