1. Department of Nano Fusion Technology, BK21 Plus Nano Convergence Division, Pusan National University, Busan 46214, Republic of Korea
2. Department of Physics, Chungnam National University, Daejeon, 34134, Republic of Korea
3. Samsung Display Co., Ltd., Yongin 17113, Republic of Korea
4. Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea
5. School of Nano Convergence Technology, Hallym University, Chuncheon, Gangwon-do, 24252, Republic of Korea