1. Russian Academy of Sciences, Institute of Macromolecular Compounds, St. Petersburg, Russian Federation
2. Centre for Optical and Laser Materials Research, Research Park, St. Petersburg State University, St. Petersburg, Russian Federation
3. Institute of Chemistry, St. Petersburg State University, St. Petersburg, Russian Federation
4. PhysNano Department, ITMO University, St. Petersburg, Russian Federation
5. Department of Materials Science and Engineering and Centre for Functional Photonics (CFP), City University of Hong Kong, Hong Kong, P. R. China