1. Department of Materials Science and Engineering Seoul National University Seoul 08826 Republic of Korea
2. Department of Chemistry KU‐KIST Graduate School of Converging Science and Technology Korea University Seoul 02841 Republic of Korea
3. Division of Display and Semiconductor Physics Display Convergence College of Science and Technology E‐ICT–Culture‐Sports Convergence Track Korea University Sejong Campus Sejong City 30019 Republic of Korea
4. Graphene Square Inc. Suwon 16229 Republic of Korea
5. Advanced Nano Research Group Korea Basic Science Institute (KBSI) Daejeon 34126 Republic of Korea
6. Department of Chemistry Seoul National University Seoul 08826 Republic of Korea
7. Department of Information Display Kyung Hee University Seoul 02447 Republic of Korea
8. School of Chemical and Biological Engineering Institute of Engineering Research Research Institute of Advanced Materials Soft Foundry Seoul National University Seoul 08826 Republic of Korea