The interest in exploiting the unique properties of lanthanides has led to the recent design of two-dimensional coordination networks incorporating f-block elements on metallic surfaces. In order to take this field to the next step of progression, it is necessary to electronically decouple these two-dimensional architectures from the metallic surface underneath. As a first step in this direction, we report the formation of dysprosium-directed metal-organic networks employing three-fold ligands as molecular linkers equipped with terminal carbonitrile functional groups on weakly interacting substrates such as Au(111) and graphene/Ir(111). We observe on both substrates identical quasi-hexagonal Dy-carbonitrile coordination networks based on majority five-fold nodes. Our findings provide perspectives for the formation of lanthanide coordination networks on graphene and related sp2materials grown on metals.
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Moreno, D., Cirera, B., Parreiras, S. O., Urgel, J. I., Giménez-Agulló, N., Lauwaet, K., … Écija, D. (2021). Dysprosium-directed metallosupramolecular network on graphene/Ir(111). Chemical Communications, 57(11), 1380–1383. https://doi.org/10.1039/d0cc07315f