Gillhuber, S., Finch, A. K., Holloway, J. O., Frisch, H., Weigend, F., Barner‐Kowollik, C., Roesky, P. W. (2025). Introducing Photochemical Action Plots as a Tool for Unlocking On–Off Switchable Behavior in a Polymeric Eosin Y Photocatalyst. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202502890