1. Institute of Macromolecular Compounds Russian Academy of Sciences, Bolshoy pr. 31, Saint Petersburg, Russia;
2. Photochemistry Center of Russian Academy of Sciences, Novatorov st. 7a, Moscow, Russia;
3. Ioffe Physical-Technical Institute, Polytechnicheskaya st. 26, Saint Petersburg, Russia;
4. St Petersburg State University, Universitetskaya nab. 7/9, Saint Petersburg, Russia