1. Canada
Research Chair on Electroactive and Photoactive Polymers, Department
of Chemistry, Université Laval, Quebec City, Quebec G1V 0A6, Canada
2. Institut
für Anorganische Chemie, Julius-Maximilians Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
3. Department
of Physics, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada