1. Hybrid Materials Center (HMC), Sejong University, Seoul 05006, Republic of Korea
2. Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, Republic of Korea
3. Department of Physics, Sejong University, Seoul, Republic of Korea
4. Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Republic of Korea
5. Department of Electrical Engineering, Sejong University, Seoul 05006, Republic of Korea
6. King Abdullah Institute for Nanotechnology, King Saud University, Riyadh 11451, Saudi Arabia