1. Center for Optoelectronic Materials and Devices, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
2. Department of Nano and Information Technology, KIST School, Korea University of Science and Technology (KUST), Daejeon 34113, Republic of Korea
3. Post-Silicon Semiconductor Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
4. KLIEN Inc, Seoul Biohub, 117-3, Hoegi-ro, Dongdaemun-gu, Seoul 02455, Republic of Korea
5. Department of Materials Science and Engineering, YU-KIST Institute, Yonsei University, Seoul 03722, Republic of Korea