Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 142, Issue 29, Pages 12568-12573Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.0c03946
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Funding
- Swiss National Science Foundation (SNF)
- Swiss Nanoscience Institute (SNI)
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (ULTRADISS Grant) [834402]
- SNF [PP00P2_157615]
- Swiss National Supercomputing Centre (CSCS) [s766]
- UKRI [MR/S015329/1]
- Leverhulme Trust [ECF-2018-375]
- UKRI [MR/S015329/2, MR/S015329/1] Funding Source: UKRI
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Although methods for a periodic perforation and heteroatom doping of graphene sheets have been developed, patterning closely spaced holes on the nanoscale in graphene nanoribbons is still a challenging task. In this work, nitrogen-doped porous graphene nanoribbons (N-GNRs) were synthesized on Ag(111) using a silver-assisted Ullmann polymerization of brominated tetrabenzophenazine. Insights into the hierarchical reaction pathways from single molecules toward the formation of one-dimensional organometallic complexes and N-GNRs are gained by a combination of scanning tunneling microscopy (STM), atomic force microscopy (AFM) with CO-tip, scanning tunneling spectroscopy (STS), and density functional theory (DFT).
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