1. Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai 599-8531, Japan
2. The Research Institute for Molecular Electronic Devices (RIMED), Osaka Prefecture University, Sakai 599-8531, Japan
3. Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
4. JNC Corporation, 5-1 Goikaigan, Ichihara, Chiba 290-8551, Japan
5. Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan