1. Department
of Electrical Engineering, Kaunas University of Technology, Panevezys Institute, Daukanto 12, LT-35212 Paneveys, Lithuania
2. Laboratory
of Micro and Nano Technologies, Panevezys Mechatronics Center, Pilenu 30, LT-36239 Panevezys, Lithuania
3. National
Energy Technology Laboratory, U.S. Department of Energy, 626 Cochrans
Mill Road, Pittsburgh, Pennsylvania 15236, United States
4. Department
of Chemical and Biomolecular Engineering, Lehigh University, B336 Iacocca Hall, 111 Research Drive, Bethlehem, Pennsylvania 18015, United States