1. Department of Chemistry, National Central University, Zhongli, Taiwan 320, ROC, Department of Chemistry, Dalian University of Technology, No. 2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, PRC 116024, National Synchrotron Radiation Research Center, 101 Hsin Ann Road, Hsinchu Science Park, Hsinchu, Taiwan 30076, ROC, and Department of Applied Chemistry, Graduate School of Engineering, Tohoku University, 6-6-07Aoba, Sendai 980-8579, Japan