1. Organic Nanoelectronics Laboratory, Department of Chemical
Engineering, School of Applied Chemical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
2. Department of Physics, Division of Mathematical, Physical
and Life Sciences, University of Oxford, Oxford OX1 3PD, United Kingdom
3. Department of Polymer Science and Engineering
and Graduate School of Applied Chemical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
4. School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
5. Priority Research Center, Research Institute of Advanced
Energy Technology, Kyungpook National University, Daegu 41566, Republic of Korea