1. Department of Polymer Chemistry and Technology, Faculty of Chemical Technology, Kaunas University of Technology, K. Baršausko g. 59, LT-51423 Kaunas, Lithuania
2. Department of Physics, Faculty of Mathematics and Natural Sciences, Kaunas University of Technology, Studentų g. 50, LT-51369 Kaunas, Lithuania
3. Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia
4. Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
5. Department of Electrical Engineering, Yuan Ze University, Chungli, Taoyuan 32003, Taiwan