1. Japan Science and Technology
Agency (JST), ERATO, Takahara Soft Interfaces Project, CE80, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395,
Japan
2. Japan Synchrotron Radiation Research Institute (JASRI)/SPring-8, 1-1-1
Koto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
3. International Institute for
Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
4. Institute for Materials Chemistry
and Engineering, Kyushu University, 744
Motooka, Nishi-ku, Fukuoka 819-0395, Japan