1. Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
2. Laboratoire de Physique et Mécanique Textiles, Université de Haute Alsace, 11 rue Alfred Werner, F-68093 Cedex Mulhouse, France
3. Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russian Federation
4. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Region 142432, Russian Federation
5. CNRS UMR 7361, Institut de Sciences des Matériaux de Mulhouse-IS2M, 15, rue Jean Starcky, F-68057 Mulhouse, France