1. Laboratory of Organic Electronics (LOE), Department of Science and Technology (ITN), Linköping University, Campus Norrköping, 60174 Norrköping, Sweden
2. Department of Physics, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
3. Group of Scientific Visualization, Department of Science and Technology (ITN), Linköping University, Campus Norrköping, SE-60174 Norrköping, Sweden
4. Swedish e-Science Center (SeRC), Linköping University, SE-581 83 Linköping, Sweden
5. Wallenberg Wood Science Center, Linköping University, 60174 Norrköping, Sweden