1. Department of Chemistry and Center for Macromolecular Science and Engineering, University of Florida, Gainesville, Florida, 32611-7200, Department of Chemical Engineering, SungKyunKwan University, Suwon, Korea, and Laboratoire de Photophysique et Photochimie Supramoléculaires et Macromoléculaires, UMR CNRS 8531, Ecole Normale Supérieure de Cachan, 94235 Cachan, Cedex, France