1. Department
of Applied Chemistry, College of Science, National Chiao Tung University, 1001 Ta Hsueh Rd., Hsinchu 30010, Taiwan
2. Department
of Chemistry, Faculty of Science, Josai University, Sakado 350-0295, Japan
3. Department
of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Jalan
Tungku Link, Gadong BE1410, Negara Brunei Darussalam