期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 14, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202111816
关键词
Electrospray Deposition; Graphene Nanoribbons; Scanning Tunnelling Microscopy; Ultra-High Vacuum; On-Surface Synthesis
资金
- European Union's Horizon 2020 research and innovation programme [946223, 899895]
- German Research Foundation (DFG) through the TUM International Graduate School of Science and Engineering (IGSSE)
- German Research Foundation (DFG) through Excellence Cluster e-conversion
- German Research Foundation (DFG) through priority programme 1928 COORNETs
- China Scholarship Council (CSC)
- European Research Council (ERC) [722951]
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [722951]
- Basque Foundation for Science (Ikerbasque), POLYMAT
- University of the Basque Country, Gobierno Vasco (BERC programme)
- Projekt DEAL
- European Research Council (ERC) [722951] Funding Source: European Research Council (ERC)
The atomically precise engineering of N-doped molecular graphene nanoribbons (GNRs) is achieved by combining multistep solution synthesis and mass-selected ion beam deposition on surfaces. This method allows for the controllable production of single GNRs, which can be further processed using on-surface synthesis protocols.
The chemical processing of low-dimensional carbon nanostructures is crucial for their integration in future devices. Here we apply a new methodology in atomically precise engineering by combining multistep solution synthesis of N-doped molecular graphene nanoribbons (GNRs) with mass-selected ultra-high vacuum electrospray controlled ion beam deposition on surfaces and real-space visualisation by scanning tunnelling microscopy. We demonstrate how this method yields solely a controllable amount of single, otherwise unsublimable, GNRs of 2.9 nm length on a planar Ag(111) surface. This methodology allows for further processing by employing on-surface synthesis protocols and exploiting the reactivity of the substrate. Following multiple chemical transformations, the GNRs provide reactive building blocks to form extended, metal-organic coordination polymers.
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