Highly strained, radially π-conjugated porphyrinylene nanohoops - Xu, Youzhi (University of Ulm. Institute of Organic Chemistry) ; Gsänger, Sebastian (Friedrich-Alexander-Universität Erlangen-Nürnberg. Interdisciplinary Center for Molecular Materials) ; Minameyer, Martin B. (Friedrich-Alexander University Erlangen-Nürnberg. Department of Chemistry and Pharmacy) ; Imaz, Inhar (Institut Català de Nanociència i Nanotecnologia) ; Maspoch Comamala, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Shyshov, Oleksandr (University of Ulm. Institute of Organic Chemistry) ; Schwer, Fabian (University of Ulm. Institute of Organic Chemistry) ; Ribas, Xavi (Universitat de Girona. Departament de Química) ; Drewello, Thomas (Friedrich-Alexander University Erlangen-Nürnberg. Department of Chemistry and Pharmacy) ; Meyer, Bernd (Friedrich-Alexander-Universität Erlangen-Nürnberg. Interdisciplinary Center for Molecular Materials) ; Von Delius, Max (University of Ulm. Institute of Organic Chemistry)