期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 42, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202205514
关键词
Catalysis; Graphene; Graphene Quantum Dot; Nanographene; Nanoparticle
资金
- JSPS KAKENHI [21H04685, JP21H05491, 20K21196]
- Ogasawara Foundation for the Promotion of Science Engineering
- Mazda Foundation
- Murata Science Foundation
- Iwatani Naoji Foundation
- Iketani Science Foundation
Utilizing graphitic domains on nanographenes for anchoring metal nanoparticles can enhance their catalytic applications. This study successfully prepared lipophilic nanographenes doped with metal nanoparticles and demonstrated their catalytic function.
Utilization of graphitic domains on nanographenes (NGs) for anchoring metal nanoparticles (NPs) can open the door for their applications in catalysis. Reported examples employ hydrophilic graphene oxides as substrates, making it difficult to coexist with organic substrates in organic solvents. The title NGs are metal NP-doped lipophilic NGs (M-NG1). Various metal cations form NPs with a diameter of a few to tens of nanometers on the basal plane. Owing to the lipophilic nature of NG1, M-NG1 is prepared by the reduction of the basal plane with sodium in THF followed by the addition of metal salts. Au-NPs on NG1 allow anchoring an organic thiol carrying an anthracene fluorophore, which is a proof of concept of composite materials utilizing the surface of NGs. The assessment of the catalytic function of Pd-NG1 reveals that chlorobenzene and bromobenzene yield a coupling product, and fluorobenzene also undergoes the reactions, demonstrating the catalytic function of Pd-NG1.
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