dc.description.wosFundingText | We are grateful to Prof. Klaus Meerholz for providing access to the variable angle spectroscopic ellipsometry setup and to Prof. Donal Bradley and the Sumitomo Chemical Company for provision of PFO. This research was financially supported by the Alexander von Humboldt Foundation (Humboldt Professorship to M.C.G.) and the European Research Council under the European Union's Horizon Europe Framework Program/ERC Advanced Grant agreement no. 101097878 (HyAngle, to M.C.G.) and the ERC grant agreement no. 864625 (ConTROL, to K.V.). A.M. acknowledges funding through an individual fellowship of the Deutsche Forschungsgemeinschaft (no. 404587082, to A.M.), from the European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement no. 101023743 (PolDev, to A.M.) and from the Bundesministerium fuer Bildung und Forschung (BMBF) within a GO-BIO initial project no. 16LW0454 (FluoPolar, to A.M.). B.S. acknowledges funding from the Research Foundation - Flanders (FWO) through a Senior Postdoctoral Fellowship no. 12AOC24N (SOFIA, to B.S.). F.L.R. acknowledges funding from the Alexander von Humboldt Foundation through a Humboldt Fellowship. | |