Spatiotemporal Spectroscopy of Fast Excited-State Diffusion in 2D Covalent Organic Framework Thin Films - Laura Spies; Alexander Biewald; Laura Fuchs; Konrad Merkel; Marcello Righetto; Zehua Xu; Roman Guntermann; Rik Hooijer; Laura M. Herz; Frank Ortmann; Jenny Schneider; Thomas Bein; et al. (Journal of the American Chemical Society, 2025)