1. Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India
2. PG and Research Department of Chemistry, Pachaiyappa’s College, Chennai, Tamil Nadu, India
3. Department of Chemistry, Madras Christian College (Autonomous), University of Madras, Chennai, Tamil Nadu, India
4. Department of Applied Chemistry Graduate School of Engineering, Osaka Prefecture University (Osaka Metropolitan University), Sakai, Osaka, Japan
5. State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, Fujian, P. R. China
6. Department of Chemistry, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India