Carbon materials are gaining increased interest, especially as new materials. The control on the molecular level allows to precisely tune their properties. In this context we explore unique structures such as the class of macrocyclic cycloparaphenylenes (CPPs). Besides establishing new synthetic strategies, for instance relying on flow chemistry, to efficiently access this compound class we study their supramolecular interactions.
In collaboration we envision to establish reliable processes to prepare nanocarbons directly on surface in a efficient and selective manner. Special focus is on the elucidation of mechanism of these on-surface-syntheses and the utilization of this knowledge to create novel transformations.
"Long-lived azafullerenyl radical stabilized by supramolecular shielding with a cycloparaphenylene", A. Stergiou, J. Rio, J. H. Griwatz, D. Arcon, H. A. Wegner, C. Ewels, N. Tagmatarchis, Angew. Chem. Int. Ed., 2019, ASAP, DOI: 10.1002/anie.201909126.
"Adsorption Structure of Mono- and Diradicals on a Cu(111) Surface: Chemoselective Dehalogenation of 4-Bromo-3″-iodo-p-terphenyl", D. Ebeling, Q. Zhong, T. Schlöder, J. Tschakert, P. Henkel, S. Ahles, L. Chi, D. Mollenhauer, H. A. Wegner, A. Schirmeisen, ACS NANO, 2019, 13, 324-336; DOI: 10.1021/acsnano.8b06283