1. Canada Research Chair in Electroactive and Photoactive Polymers, Department of Chemistry, Université Laval, Quebec City, Quebec, Canada, G1K 7P4, Institute for Microstructural Sciences, National Research Council of Canada, Ottawa, Ontario, Canada, K1A 0R6, and Laboratory of X-ray Diffraction, Department of Chemistry, Université de Montréal, Montreal, Quebec, Canada, H3C 3J7