1. Heeger Center for
Advanced Materials, School of Materials Science and Engineering, Department
of Nanobio Materials and Electronics, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Buk-gu,
Gwangju 500-712, Republic of Korea
2. Nano Carbon Materials Research Group, Korea Electrotechnology Research Institute (KERI), 12, Bulmosan-ro 10beon-gil, Seongsan-gu, Changwon, Gyeongsangnam-do 642-120, Republic of Korea
3. Department of Energy and Materials Engineering, Dongguk University, 26 Pil-dong, 3 ga, Jung-gu, Seoul 100-715, Republic of Korea