1. ERATO/JST, HASHIMOTO Light Energy
Conversion Project, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
2. Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji,
Tokyo 192-0392, Japan
3. Department
of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo
113-8656, Japan