1. Center for Organic Photonics and Electronics Research; Kyushu University; 744 Motooka Nishi Fukuoka 819-0395 Japan
2. Japan Science and Technology Agency (JST); ERATO; Adachi Molecular Exciton Engineering Project; 744 Motooka Nishi Fukuoka 819-0395 Japan
3. Innovative Organic Device Laboratory; Institute of Systems; Information Technologies and Nanotechnologies (ISIT); 744 Motooka Nishi Fukuoka 819-0395 Japan
4. International Institute for Carbon Neutral Energy Research; Kyushu University; 744 Motooka Nishi Fukuoka 819-0395 Japan