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Regensburg 2019 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 16: Graphene II: Excitations and Nanoribbons (joint session O/TT)

TT 16.8: Talk

Monday, April 1, 2019, 16:45–17:00, H24

On-surface synthesis of chevron-like graphene nanoribbons — •Koen Houtsma, Mihaela Enache, Ida Delac Marion, Tuan Anh Pham, Van Bay Tran, and Meike Stöhr — Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands

Graphene nanoribbons (GNRs) are a novel material that has aroused much interest because of its excellent and tunable electronic properties. Using on-surface synthesis, GNRs can be produced with atomic precision. In our research, GNRs with chevron-like topology were created via Ullman-type coupling from the prochiral molecular precursor 6,12-dibromocrhysene on a Au(111) surface. The structural properties of these GNRs, also in dependence of post-deposition annealing temperature, were investigated using scanning tunneling microscopy [1]. With scanning tunneling spectroscopy, we additionally characterized their electronic properties.

[1] T.A. Pham et al., Small 13 (2017) 1603675.

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