1. Center for Opto-Electronic Materials and Devices, Korea Institute of Science and Technology (KIST), Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, 02792, Republic of Korea
2. Department of Advanced Materials Engineering for Information & Electronics, Kyung Hee University, Deogyeong-daro 1732, Giheung-gu, Yongin, Gyeonggi 17104, Republic of Korea
3. KIST School, Department of Nanomaterials and Nano Science, University of Science and Technology (UST), 217, Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea