1. Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University, Incheon 22012, Korea
2. Department of Electrical Engineering, Incheon National University, Incheon 22012, Korea
3. Green Energy & Nano Technology R&D Group, Korea Institute of Industrial Technology, Gwangju 61012, Republic of Korea