1. Department of Basic Sciences, Institute of Infrastructure, Technology, Research and Management, IITRAM, Ahmedabad, Gujarat, India
2. Department of Chemistry, School of Technology, Pandit Deendayal Energy University, Gandhinagar, Gujarat, India
3. Department of Chemical Sciences, Tezpur University, Tezpur, Assam, India
4. Graduate School of Advanced Science and Engineering, Hiroshima University, Higashihiroshima 739-8527, Japan