Author Affiliations

T. G. Euser,^a,* A. M. Cubillas,^a,b X. Jiang,^a S. Unterkofler,^a B. J. M. Etzold,^b,c P. Wasserscheid,^b,c A. C. Jones,^e P. J. Sadler,^f and P. St.J Russell^a,b,d

^aMax Planck Institute for the Science of Light, Guenther-Scharowsky-Str.1/Bldg. 24, 91058 Erlangen, Germany

^bExcellence Cluster “Engineering of Advanced Materials

^cLehrstuhl für Chemische Reaktionstechnik

^dDepartment of Physics, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany

^eSchool of Chemistry, University of Edinburgh, Joseph Black Building, West Mains Road, EH9 3JJ, Edinburgh, Scotland

^fDepartment of Chemistry, University of Warwick, CV4 7AL Coventry, UK

^*Corresponding author: tijmen.euser@mpl.mpg.de