1. Department of Materials Science
and Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, Pennsylvania 15213, United States
2. Department of Chemistry, Carnegie Mellon University, 4400 Fifth Ave., Pittsburgh,
Pennsylvania 15213, United States
3. Institute of Polymer and Dye Technology, Technical University of Lodz, ul Stefanowskiego 12/16,
90-924 Lodz, Poland
4. Department
of Chemistry, Bar-Ilan University, Ramat-Gan
52900, Israel