1. Center for Organic Photonics and Electronics Research (OPERA) Kyushu University Fukuoka 819‐0395 Japan
2. JST ERATO Adachi Molecular Exciton Engineering Project c/o Center for Organic Photonics and Electronics Research (OPERA) Kyushu University Nishi Fukuoka 819‐0395 Japan
3. KOALA Tech. Inc. 3‐5‐12 Fukuoka Industry‐Academia Symphonicity (FiaS) Fukuoka 819‐0388 Japan
4. Department of Chemistry Ewha Womans University Seoul 03760 Korea
5. Department of Physics Ewha Womans University Seoul 03760 Korea
6. Building Blocks for Future Electronics Laboratory, UMI 2002 CNRS–Sorbonne Université–Yonsei University Yonsei University 50 Yonsei‐ro, Seodaemun‐gu Seoul 03722 South Korea
7. International Institute for Carbon Neutral Energy Research (WPI‐I2CNER) Kyushu University Nishi Fukuoka 819‐0395 Japan