SKM 2023 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 32: Semiconductor Substrates
O 32.8: Vortrag
Dienstag, 28. März 2023, 12:15–12:30, GER 39
Solution-Synthesized Extended Graphene Nanoribbons Deposited by High-Vacuum Electrospray Deposition — •Sebastian Scherb1, Antoine Hinaut1, Xuelin Yao2, Alicia Götz2,3, Samir H. Al-Hilfi2, Xiao-Ye Wang2, Yunbin Hu2, Zijie Qiu2, Yiming Song1, Klaus Müllen2,3, Thilo Glatzel1, Akimitsu Narita2, and Ernst Meyer1 — 1Department of Physics, University of Basel, Basel, Switzerland — 2Max Plank Institute for Polymer Research, Mainz, Germany — 3Department of Chemistry, Johannes Gutenberg University Mainz, Mainz, Germany
Solution-synthesized graphene nanoribbons (GNRs) can facilitate various interesting structures or functionalities, like non-planarity and thermo-labile functional groups, which can be difficult to access via on-surface synthesis [1,2]. However, their deposition and thus study on surfaces remains challenging.
Here, we show high-vacuum electrospray deposition (HVESD) of well-elongated solution-synthesized GNRs on metallic and non-metallic surfaces in UHV. Thereby, we compare three distinct GNRs, exhibiting different average lengths, functional groups, and edge structures. nc-AFM studies at room temperature combined with Raman spectroscopy allow the characterization of individual GNRs and confirm their chemical integrity [3].
[1] Narita et al. Nature Chemistry 6 (2014).
[2] Narita et al. Chemical Science 10 (2019).
[3] Scherb et al. accepted in ACS Nano.