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Journal Article

On-surface synthesis and edge states of NBN-doped zigzag graphene nanoribbons

MPS-Authors
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Ma,  Ji       
Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society;

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Feng,  Xinliang       
Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society;

External Resource

https://doi.org/10.1007/s12274-023-5605-2
(Publisher version)

https://www.sciopen.com/article/pdf/10.1007/s12274-023-5605-2.pdf
(Preprint)

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Citation

Chang, X., Huang, L., Gao, Y., Fu, Y., Ma, J., Yang, H., et al. (2023). On-surface synthesis and edge states of NBN-doped zigzag graphene nanoribbons. Nano Research, 16, 10436-10442. doi:10.1007/s12274-023-5605-2.


Cite as: https://hdl.handle.net/21.11116/0000-000C-CB21-A
Abstract
Zigzag graphene nanoribbons (ZGNRs) with spin-polarized edge states have potential applications in carbon-based spintronics. The electronic structure of ZGNRs can be effectively tuned by different widths or dopants, which require delicately designed monomers. Here, we report the successful synthesis of ZGNR with a width of eight carbon zigzag lines and nitrogen-boron-nitrogen (NBN) motifs decorated along the zigzag edges (NBN-8-ZGNRs) on Au(111) surface, which starts from a specially designed U-shaped monomer with preinstalled NBN units at the zigzag edge. Chemical-bond-resolved non-contact atomic force microscopy imaging confirms the zigzag-terminated edges and the existence of NBN dopants. The electronic states distributed along the zigzag edges have been revealed after a silicon-layer intercalation at the interface of NBN-8-ZGNR and Au(111). Our work enriches the ZGNR family with a new dopant and larger width, which provides more candidates for future carbon-based nanoelectronic and spintronic applications.