1. Department of Chemistry, National Cheng Kung University, No. 1 University Road, Tainan 701014, Taiwan
2. State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
3. Core Facility Center, National Cheng Kung University, No. 1 University Road, Tainan 701014, Taiwan
4. National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 300092, Taiwan