1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6, Canada Research Chair on Electroactive and Photoactive Polymers, Département de chimie, Université Laval, Quebec, Quebec, Canada G1K 7P4, Istituto CNR per l'Energetica e le Interfasi, C.o Stati Uniti 4, 35127 Padova, Italy, and Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Canada S7N 5E2