1. Organic Materials Laboratory, Samsung Advanced Institute of Technology (SAIT), Samsung Electronics, Co. Ltd., 130 Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
2. CSE team, Innovation Center, Samsung Electronics, Co. Ltd., 1 Samsungjeonja-ro, Hwasung-si, Gyeonggi-do 18448, Republic of Korea