1. Department of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of Korea
2. Research Institute of Printed Electronics & 3D Printing, Hanbat National University, Daejeon, Republic of Korea
3. Department of Chemistry, University of Calgary, Calgary, Canada
4. Department of Electronic Engineering, Hanbat National University, Daejeon, Republic of Korea
5. Department of Chemistry & Biological Sciences, Faculty of Science and Engineering, Iwate University, Morioka, Japan