1. Department of Chemistry, Gauhati University, Guwahati, Assam 781014, India
2. Department of Chemistry, Nowgong College (Autonomous), Nagaon, Assam 782003, India
3. Department of Botany, Bhattadev University, Bajali, Pathsala, Assam 781325, India
4. Chemical Engineering Group, NEIST (CSIR) Jorhat, Assam 785006, India
5. Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, Champaign, Illinois 61820, United States