1. Displays and Devices Research Lab. School of Electrical and Electronics Engineering, Chung-Ang University, Seoul 06974, Korea.
2. Department of Chemistry, Chung-Ang University, Seoul 06974, Korea.
3. School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 16419, Korea.
4. Division of Nano and Energy Convergence Research, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333, Techno Jungang Daero, Hyeonpung-Myeon, Dalseong-Gun, Daegu 42988, Korea.
5. Hyundai Motor Group R&D Division, Hwaseong-si, 18280, Korea.
6. Department of Chemistry and the Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA.
7. Flexterra Corporation, 8025 Lamon Avenue, Skokie, IL 60077, USA.