1. Inorganic Chemistry, School of Chemistry, Madurai Kamaraj University, Palkalai Nagar, Madurai, Tamil Nadu 625021, India
2. Department of Chemistry, National Central University, Chungli County, Taoyuan 32001 ,Taiwan, ROC
3. Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 ,Kaohsiung 81148, Taiwan, ROC