1. Fukuoka i3-Center for Organic Photonics and Electronics Research (i3-OPERA), 5-14 Kyudai-shinmachi, Nishi, Fukuoka 819-0388, Japan
2. Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan
3. Japan Science and Technology Agency (JST), ERATO, Adachi Molecular Exciton Engineering Project, Fukuoka 819-0395, Japan
4. International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan