1. Department of Chemistry, 80
St. George Street, University of Toronto, Toronto, Ontario M5S 3H6, Canada
2. Institut für Physikalische
und Theoretische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
3. Centre for Organic Photonics & Electronics, The University of Queensland, Brisbane 4072, Australia
4. Center for Nanosystems Chemistry, Universität Würzburg, Am Hubland, 97074
Würzburg, Germany