1. Center for Organic Photonics and Electronics Research (OPERA)Kyushu University 744 Motooka, Nishi Fukuoka 819‐0395 Japan
2. Japan Science and Technology Agency (JST)ERATOAdachi Molecular Exciton Engineering ProjectKyushu University 744 Motooka, Nishi Fukuoka 819‐0395 Japan
3. Department of Chemistry and BiochemistryFukushima CollegeNational Institute of Technology 30 Aza‐Nagao, Tairakamiarakawa Iwaki Fukushima 970‐8034 Japan
4. Department of Environmental and Natural SciencesGraduate School of Environment and Information SciencesYokohama National University 79‐2 Tokiwadai, Hodogayaku Yokohama Kanagawa 240‐8501 Japan
5. Elements Chemistry LaboratoryRIKEN 2‐1 Hirosawa Wako Saitama 351‐0198 Japan
6. RIKEN Center for Emergent Matter Science (CEMS) Wako 351‐0198 Japan
7. Institut de Physique et Chimie des Matériaux de StrasbourgUMR 7504CNRS‐ Université de Strasbourg 23 Rue du Loess 67034 Strasbourg France
8. Sorbonne UniversitéCNRSInstitut Parisien de Chimie MoléculaireUMR 8232Chimie des Polymères 4 place Jussieu 75005 Paris France
9. International Institute for Carbon Neutral Energy Research (WPI‐I2CNER)Kyushu University 744 Motooka, Nishi Fukuoka 819‐0395 Japan
10. Graduate School of Pharmaceutical SciencesThe University of Tokyo 7‐3‐1 Hongo, Bunkyo‐ku Tokyo 113‐0033 Japan