1. Samsung R&D Institute Russia (SRR)Samsung Electronics 12 Dvintsev Street Moscow 127018 Russia
2. Spectroscopy Laboratory for Functional π‐Electronic Systems and Department of ChemistryYonsei University Seoul 03722 Korea
3. Division of Chemical Engineering and Material ScienceEwha Womans University Seoul 03760 Korea
4. Samsung Advanced Institute of Technology (SAIT)Samsung Electronics 130 Samsung‐ro, Yeongtong‐gu Suwon 16678 Korea
5. Department of Electronic MaterialsSamsung SDI Co., Ltd. Suwon‐si Gyeonggi‐do 16678 Korea