1. National Centre for Catalysis Research, Indian Institute of Technology (IIT), Madras, Chennai 600−036, India
2. Department of Chemistry, Anna University, Chennai 600 025, India
3. Sathyabama Institute of Science and Technology, Jeppiar Nagar, Chennai 600119, India
4. Department of Chemistry, Sriram College of Arts and Science, Peruamlpattu, Veppampattu - 602 024, India
5. Department of Material and Mineral Resources Engineering, National Taipei University of Technology, Taipei, Taiwan