1. Kyushu University
2. Center for Organic Photonics and Electronics Research (OPERA)
3. Fukuoka 819-0395
4. Japan
5. Japan Science and Technology Agency (JST)
6. Institut de Physique et Chimie des Materiaux de Strasbourg (IPCMS)
7. UMR 7504
8. CNRS-Universite de Strasbourg
9. 67034 Strasbourg Cedex 2
10. France
11. International Institute for Carbon Neutral Energy Research (WPI-I2CNER)