1 Institute of Nanotechnology and Nanobiology, Jacob of Paradies University Chopina St. 52, Bldg. 6 Gorzow Wielkopolski 66-400 Poland kjankowski@ajp.edu.pl.
2 Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences Sienkiewicza 112 St. Lodz 90-363 Poland.
3 Faculty of Materials Engineering and Technical Physics, Poznan University of Technology Piotrowo 3A St. Poznan 61-138 Poland.
4 Institute of Optoelectronics, Military University of Technology Kaliskiego 2 St. Warsaw 00-908 Poland.