1. Centre for Organic Photonics and Electronics, School of Mathematics and Physics, The University of Queensland, Qld 4072, Australia, Abteilung Spektroskopie und Photochemische Kinetik, Max-Planck-Institut für Biophysikalische Chemie, 37070 Göttingen, Germany, Institut für Physikalische Chemie, Universität Göttingen, Tammannstrasse 6, 37077 Göttingen, Germany, and Centre for Computational Molecular Science, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Qld 4072,...